From a185299ba468454f7b121f214aaa6b0c203d12d0 Mon Sep 17 00:00:00 2001
From: Vladimir Paramuzov <vladimir.paramuzov@intel.com>
Date: Wed, 13 Jul 2022 15:47:40 +0400
Subject: [PATCH] [GPU] Simplify namespaces in the plugin part (#12121)

---
 .../include/intel_gpu/plugin/async_infer_request.hpp       | 2 --
 .../intel_gpu/include/intel_gpu/plugin/common_utils.hpp    | 2 --
 .../intel_gpu/include/intel_gpu/plugin/compiled_model.hpp  | 2 --
 .../intel_gpu/include/intel_gpu/plugin/custom_layer.hpp    | 2 --
 .../intel_gpu/include/intel_gpu/plugin/device_config.hpp   | 2 --
 src/plugins/intel_gpu/include/intel_gpu/plugin/graph.hpp   | 2 --
 .../intel_gpu/include/intel_gpu/plugin/infer_request.hpp   | 2 --
 src/plugins/intel_gpu/include/intel_gpu/plugin/itt.hpp     | 2 --
 src/plugins/intel_gpu/include/intel_gpu/plugin/plugin.hpp  | 2 --
 src/plugins/intel_gpu/include/intel_gpu/plugin/program.hpp | 2 --
 .../intel_gpu/include/intel_gpu/plugin/remote_context.hpp  | 2 --
 .../include/intel_gpu/plugin/transformations_pipeline.hpp  | 2 --
 .../intel_gpu/include/intel_gpu/plugin/variable_state.hpp  | 6 ++----
 src/plugins/intel_gpu/src/graph/convolution.cpp            | 2 +-
 src/plugins/intel_gpu/src/graph/deconvolution.cpp          | 2 +-
 .../src/graph/graph_optimizer/prepare_padding.cpp          | 2 +-
 .../intel_gpu/src/graph/include/sliding_window_utils.hpp   | 2 --
 src/plugins/intel_gpu/src/graph/pooling.cpp                | 2 +-
 src/plugins/intel_gpu/src/graph/program.cpp                | 2 +-
 src/plugins/intel_gpu/src/plugin/async_infer_request.cpp   | 2 --
 src/plugins/intel_gpu/src/plugin/compiled_model.cpp        | 2 --
 src/plugins/intel_gpu/src/plugin/custom_layer.cpp          | 2 --
 src/plugins/intel_gpu/src/plugin/device_config.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/graph.cpp                 | 2 --
 src/plugins/intel_gpu/src/plugin/infer_request.cpp         | 6 ++----
 src/plugins/intel_gpu/src/plugin/ops/adaptive_pooling.cpp  | 2 --
 src/plugins/intel_gpu/src/plugin/ops/batch_to_space.cpp    | 2 --
 src/plugins/intel_gpu/src/plugin/ops/broadcast.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/bucketize.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/concat.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/constant.cpp          | 2 --
 src/plugins/intel_gpu/src/plugin/ops/convert.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/convert_color.cpp     | 2 --
 src/plugins/intel_gpu/src/plugin/ops/convolution.cpp       | 2 --
 .../intel_gpu/src/plugin/ops/ctc_greedy_decoder.cpp        | 2 --
 src/plugins/intel_gpu/src/plugin/ops/cum_sum.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/custom.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/depth_to_space.cpp    | 2 --
 src/plugins/intel_gpu/src/plugin/ops/detection_output.cpp  | 2 --
 src/plugins/intel_gpu/src/plugin/ops/dft.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/ops/eltwise.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/embedding_bag.cpp     | 2 --
 .../plugin/ops/experimental_detectron_detection_output.cpp | 2 --
 ...erimental_detectron_generate_proposals_single_image.cpp | 2 --
 .../ops/experimental_detectron_prior_grid_generator.cpp    | 2 --
 .../ops/experimental_detectron_roi_feature_extractor.cpp   | 2 --
 .../src/plugin/ops/experimental_detectron_topk_rois.cpp    | 6 ++----
 .../intel_gpu/src/plugin/ops/extract_image_patches.cpp     | 2 --
 src/plugins/intel_gpu/src/plugin/ops/fake_quantize.cpp     | 2 --
 src/plugins/intel_gpu/src/plugin/ops/gather tree.cpp       | 2 --
 src/plugins/intel_gpu/src/plugin/ops/gather.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/gather_elements.cpp   | 2 --
 src/plugins/intel_gpu/src/plugin/ops/gather_nd.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/grn.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/ops/interpolate.cpp       | 2 --
 src/plugins/intel_gpu/src/plugin/ops/loop.cpp              | 2 --
 src/plugins/intel_gpu/src/plugin/ops/lrn.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/ops/matmul.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/mvn.cpp               | 2 --
 .../intel_gpu/src/plugin/ops/non_max_suppression.cpp       | 2 --
 src/plugins/intel_gpu/src/plugin/ops/normalize_l2.cpp      | 2 --
 src/plugins/intel_gpu/src/plugin/ops/one_hot.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/pad.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/ops/parameter.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/pooling.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/prior_box.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/proposal.cpp          | 2 --
 src/plugins/intel_gpu/src/plugin/ops/random_uniform.cpp    | 6 ++----
 src/plugins/intel_gpu/src/plugin/ops/range.cpp             | 2 --
 src/plugins/intel_gpu/src/plugin/ops/reduce.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/region_yolo.cpp       | 2 --
 src/plugins/intel_gpu/src/plugin/ops/reorg_yolo.cpp        | 2 --
 src/plugins/intel_gpu/src/plugin/ops/reshape.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/result.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/reverse.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/reverse_sequence.cpp  | 2 --
 src/plugins/intel_gpu/src/plugin/ops/rnn.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/ops/roi_align.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/roi_pooling.cpp       | 2 --
 src/plugins/intel_gpu/src/plugin/ops/roll.cpp              | 2 --
 .../intel_gpu/src/plugin/ops/scatter_elements_update.cpp   | 2 --
 src/plugins/intel_gpu/src/plugin/ops/scatter_nd_update.cpp | 2 --
 src/plugins/intel_gpu/src/plugin/ops/scatter_update.cpp    | 2 --
 src/plugins/intel_gpu/src/plugin/ops/select.cpp            | 2 --
 src/plugins/intel_gpu/src/plugin/ops/shape_of.cpp          | 2 --
 src/plugins/intel_gpu/src/plugin/ops/shuffle_channels.cpp  | 2 --
 src/plugins/intel_gpu/src/plugin/ops/slice.cpp             | 2 --
 src/plugins/intel_gpu/src/plugin/ops/softmax.cpp           | 2 --
 src/plugins/intel_gpu/src/plugin/ops/space_to_batch.cpp    | 2 --
 src/plugins/intel_gpu/src/plugin/ops/space_to_depth.cpp    | 2 --
 src/plugins/intel_gpu/src/plugin/ops/split.cpp             | 2 --
 src/plugins/intel_gpu/src/plugin/ops/strided_slice.cpp     | 2 --
 src/plugins/intel_gpu/src/plugin/ops/tensor_iterator.cpp   | 2 --
 src/plugins/intel_gpu/src/plugin/ops/tile.cpp              | 2 --
 src/plugins/intel_gpu/src/plugin/ops/topk.cpp              | 2 --
 src/plugins/intel_gpu/src/plugin/ops/transpose.cpp         | 2 --
 src/plugins/intel_gpu/src/plugin/ops/unary.cpp             | 2 --
 src/plugins/intel_gpu/src/plugin/ops/variable.cpp          | 6 ++----
 src/plugins/intel_gpu/src/plugin/plugin.cpp                | 4 +---
 src/plugins/intel_gpu/src/plugin/program.cpp               | 2 --
 src/plugins/intel_gpu/src/plugin/remote_context.cpp        | 2 --
 .../src/plugin/transformations/einsum_decomposition.cpp    | 2 --
 .../src/plugin/transformations/einsum_decomposition.hpp    | 2 --
 .../intel_gpu/src/plugin/transformations_pipeline.cpp      | 2 --
 src/plugins/intel_gpu/src/plugin/variable_state.cpp        | 7 ++-----
 105 files changed, 18 insertions(+), 219 deletions(-)

diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/async_infer_request.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/async_infer_request.hpp
index 399e20cc42d..12eed2b00c6 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/async_infer_request.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/async_infer_request.hpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/plugin/infer_request.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 class AsyncInferRequest : public InferenceEngine::AsyncInferRequestThreadSafeDefault {
@@ -32,5 +31,4 @@ private:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/common_utils.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/common_utils.hpp
index f700a63e2d8..ccb2cb84f98 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/common_utils.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/common_utils.hpp
@@ -11,7 +11,6 @@
 #include "ngraph/type/element_type.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 #define TensorValue(val) static_cast<cldnn::tensor::value_type>(val)
@@ -206,5 +205,4 @@ inline InferenceEngine::Layout InferenceEngineLayoutFromOVLayout(ov::Layout l) {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/compiled_model.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/compiled_model.hpp
index c4eae9ed09a..bd3e0c8b403 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/compiled_model.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/compiled_model.hpp
@@ -18,7 +18,6 @@
 #include "intel_gpu/plugin/remote_context.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 class CompiledModel : public InferenceEngine::ExecutableNetworkThreadSafeDefault {
@@ -46,5 +45,4 @@ public:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/custom_layer.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/custom_layer.hpp
index 537373c74d8..fde28a7e737 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/custom_layer.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/custom_layer.hpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/runtime/tensor.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 using CustomLayerPtr = std::shared_ptr<class CustomLayer>;
@@ -85,5 +84,4 @@ protected:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/device_config.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/device_config.hpp
index 973dc04597c..a4975dd9312 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/device_config.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/device_config.hpp
@@ -15,7 +15,6 @@
 #include <threading/ie_cpu_streams_executor.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 
@@ -109,5 +108,4 @@ private:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/graph.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/graph.hpp
index 0e7fc62789b..7cffefba8eb 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/graph.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/graph.hpp
@@ -28,7 +28,6 @@
 #include "intel_gpu/plugin/program.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 class Graph {
@@ -112,5 +111,4 @@ protected:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/infer_request.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/infer_request.hpp
index d21679cdb52..bf8af0e212f 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/infer_request.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/infer_request.hpp
@@ -13,7 +13,6 @@
 #include <threading/ie_istreams_executor.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 struct buf_info {
@@ -111,5 +110,4 @@ private:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/itt.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/itt.hpp
index fbd65739003..524e689dd25 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/itt.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/itt.hpp
@@ -12,7 +12,6 @@
 #include <openvino/itt.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 namespace itt {
 namespace domains {
@@ -20,5 +19,4 @@ namespace domains {
 }  // namespace domains
 }  // namespace itt
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/plugin.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/plugin.hpp
index 93f68e74e86..89bb2a599c8 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/plugin.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/plugin.hpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/plugin/remote_context.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 using CustomLayerPtr = std::shared_ptr<class CustomLayer>;
@@ -90,5 +89,4 @@ public:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/program.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/program.hpp
index 42f2c14c57d..28f3ae141f5 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/program.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/program.hpp
@@ -42,7 +42,6 @@ void __register ## _ ## op_name ## _ ## op_version() {
 }
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 std::string layer_type_lower(const ngraph::Node* op);
@@ -194,5 +193,4 @@ void CreateElementwiseOp(Program& p, const std::shared_ptr<ngraph::Node>& node,
 bool IsNodeOnConstPath(const std::shared_ptr<ngraph::Node>& node);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/remote_context.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/remote_context.hpp
index 23c182eed1d..c99275cf9de 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/remote_context.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/remote_context.hpp
@@ -30,7 +30,6 @@
 #include <atomic>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 class RemoteAllocator;
 
@@ -583,5 +582,4 @@ inline ExecutionContextImpl* getContextImpl(InferenceEngine::gpu::ClContext::Ptr
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/transformations_pipeline.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/transformations_pipeline.hpp
index 8eddeb6f895..7c10b444419 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/transformations_pipeline.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/transformations_pipeline.hpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/plugin/device_config.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 class TransformationsPipeline {
@@ -26,5 +25,4 @@ private:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/include/intel_gpu/plugin/variable_state.hpp b/src/plugins/intel_gpu/include/intel_gpu/plugin/variable_state.hpp
index 05c4b9e6215..e259aed2cca 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/plugin/variable_state.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/plugin/variable_state.hpp
@@ -8,7 +8,6 @@
 #include <functional>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 class VariableState : public InferenceEngine::IVariableStateInternal {
@@ -45,6 +44,5 @@ private:
     std::shared_ptr<cldnn::engine> engine_;
 };
 
-} // namespace intel_gpu
-} // namespace runtime
-} // namespace ov
+}  // namespace intel_gpu
+}  // namespace ov
diff --git a/src/plugins/intel_gpu/src/graph/convolution.cpp b/src/plugins/intel_gpu/src/graph/convolution.cpp
index 8684bb9287e..9ecc0002fe8 100644
--- a/src/plugins/intel_gpu/src/graph/convolution.cpp
+++ b/src/plugins/intel_gpu/src/graph/convolution.cpp
@@ -11,7 +11,7 @@
 #include "json_object.h"
 #include <string>
 
-using namespace ov::runtime::intel_gpu;
+using namespace ov::intel_gpu;
 
 namespace cldnn {
 primitive_type_id convolution::type_id() {
diff --git a/src/plugins/intel_gpu/src/graph/deconvolution.cpp b/src/plugins/intel_gpu/src/graph/deconvolution.cpp
index 1fd271e64a6..3b15850190a 100644
--- a/src/plugins/intel_gpu/src/graph/deconvolution.cpp
+++ b/src/plugins/intel_gpu/src/graph/deconvolution.cpp
@@ -10,7 +10,7 @@
 #include "json_object.h"
 #include <string>
 
-using namespace ov::runtime::intel_gpu;
+using namespace ov::intel_gpu;
 
 namespace cldnn {
 primitive_type_id deconvolution::type_id() {
diff --git a/src/plugins/intel_gpu/src/graph/graph_optimizer/prepare_padding.cpp b/src/plugins/intel_gpu/src/graph/graph_optimizer/prepare_padding.cpp
index ace966ed976..ea078e9f56c 100644
--- a/src/plugins/intel_gpu/src/graph/graph_optimizer/prepare_padding.cpp
+++ b/src/plugins/intel_gpu/src/graph/graph_optimizer/prepare_padding.cpp
@@ -12,7 +12,7 @@
 #include <algorithm>
 
 using namespace cldnn;
-using namespace ov::runtime::intel_gpu;
+using namespace ov::intel_gpu;
 
 void prepare_padding::run(program& p) {
     if (output_size_handling_enabled) {
diff --git a/src/plugins/intel_gpu/src/graph/include/sliding_window_utils.hpp b/src/plugins/intel_gpu/src/graph/include/sliding_window_utils.hpp
index b4fd03e4192..0ac52d35fdf 100644
--- a/src/plugins/intel_gpu/src/graph/include/sliding_window_utils.hpp
+++ b/src/plugins/intel_gpu/src/graph/include/sliding_window_utils.hpp
@@ -17,7 +17,6 @@
 #include <stdexcept>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 using cldnn::tensor;
@@ -443,5 +442,4 @@ inline padding calc_sliding_window_needed_input_padding(const layout& actual_inp
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/graph/pooling.cpp b/src/plugins/intel_gpu/src/graph/pooling.cpp
index fff0c7421ce..1773a28fc8c 100644
--- a/src/plugins/intel_gpu/src/graph/pooling.cpp
+++ b/src/plugins/intel_gpu/src/graph/pooling.cpp
@@ -9,7 +9,7 @@
 #include "json_object.h"
 #include <string>
 
-using namespace ov::runtime::intel_gpu;
+using namespace ov::intel_gpu;
 
 namespace cldnn {
 primitive_type_id pooling::type_id() {
diff --git a/src/plugins/intel_gpu/src/graph/program.cpp b/src/plugins/intel_gpu/src/graph/program.cpp
index 0de57f012ea..0b046dbaab9 100644
--- a/src/plugins/intel_gpu/src/graph/program.cpp
+++ b/src/plugins/intel_gpu/src/graph/program.cpp
@@ -90,7 +90,7 @@
 #include <sys/resource.h>
 #endif
 
-using namespace ov::runtime::intel_gpu;
+using namespace ov::intel_gpu;
 
 program::program(engine& engine_ref,
                  topology const& topology,
diff --git a/src/plugins/intel_gpu/src/plugin/async_infer_request.cpp b/src/plugins/intel_gpu/src/plugin/async_infer_request.cpp
index e275355ea5c..a5e73a5dabf 100644
--- a/src/plugins/intel_gpu/src/plugin/async_infer_request.cpp
+++ b/src/plugins/intel_gpu/src/plugin/async_infer_request.cpp
@@ -7,7 +7,6 @@
 #include <memory>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 AsyncInferRequest::AsyncInferRequest(const InferRequest::Ptr &inferRequest,
@@ -58,5 +57,4 @@ AsyncInferRequest::~AsyncInferRequest() {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/compiled_model.cpp b/src/plugins/intel_gpu/src/plugin/compiled_model.cpp
index 552f54d5104..b488abdb562 100644
--- a/src/plugins/intel_gpu/src/plugin/compiled_model.cpp
+++ b/src/plugins/intel_gpu/src/plugin/compiled_model.cpp
@@ -30,7 +30,6 @@ using namespace InferenceEngine;
 using namespace InferenceEngine::details;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 CompiledModel::CompiledModel(InferenceEngine::CNNNetwork &network, std::shared_ptr<InferenceEngine::RemoteContext> context, Config config) :
@@ -237,5 +236,4 @@ std::shared_ptr<InferenceEngine::RemoteContext> CompiledModel::GetContext() cons
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/custom_layer.cpp b/src/plugins/intel_gpu/src/plugin/custom_layer.cpp
index f139fa79d9e..6db3b41a0ba 100644
--- a/src/plugins/intel_gpu/src/plugin/custom_layer.cpp
+++ b/src/plugins/intel_gpu/src/plugin/custom_layer.cpp
@@ -30,7 +30,6 @@ using namespace XMLParseUtils;
     CheckAndReturnError(GetIntAttr(node, attr, -1) != (value), "Wrong attribute value! expected: " << value << " found: " << GetIntAttr(node, attr, -1))
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 void CustomLayer::LoadSingleLayer(const pugi::xml_node & node) {
@@ -281,5 +280,4 @@ void CustomLayer::LoadFromFile(const std::string configFile, CustomLayerMap& cus
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/device_config.cpp b/src/plugins/intel_gpu/src/plugin/device_config.cpp
index e8160011d12..ea058999131 100644
--- a/src/plugins/intel_gpu/src/plugin/device_config.cpp
+++ b/src/plugins/intel_gpu/src/plugin/device_config.cpp
@@ -30,7 +30,6 @@
 using namespace InferenceEngine;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void createDirectory(std::string _path) {
@@ -570,5 +569,4 @@ Config& Configs::GetDefaultDeviceConfig() {
 IE_SUPPRESS_DEPRECATED_END
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/graph.cpp b/src/plugins/intel_gpu/src/plugin/graph.cpp
index 8d563206a01..2ca173d9d58 100644
--- a/src/plugins/intel_gpu/src/plugin/graph.cpp
+++ b/src/plugins/intel_gpu/src/plugin/graph.cpp
@@ -39,7 +39,6 @@ using namespace InferenceEngine;
 using namespace InferenceEngine::details;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 Graph::Graph(InferenceEngine::CNNNetwork& network, gpu::ClContext::Ptr context, Config config, uint16_t stream_id)
@@ -783,5 +782,4 @@ InferenceEngine::SizeVector Graph::GetOutputSize(std::string outName) const {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/infer_request.cpp b/src/plugins/intel_gpu/src/plugin/infer_request.cpp
index 9c6e3d687cc..e42cce7b53a 100644
--- a/src/plugins/intel_gpu/src/plugin/infer_request.cpp
+++ b/src/plugins/intel_gpu/src/plugin/infer_request.cpp
@@ -49,7 +49,7 @@ void convertAndCopy(const InferenceEngine::Blob* src, dst_t* dst) {
 }
 
 template<typename src_dt, typename dst_dt>
-void copyResultToOutputBlob(cldnn::memory::ptr src, Blob::Ptr dst, ov::runtime::intel_gpu::buf_info* bi, cldnn::stream& stream) {
+void copyResultToOutputBlob(cldnn::memory::ptr src, Blob::Ptr dst, ov::intel_gpu::buf_info* bi, cldnn::stream& stream) {
     size_t n = (bi == nullptr) ? dst->size() : bi->buf_size;
     size_t offset = (bi == nullptr) ? 0 : bi->buf_offset;
 
@@ -91,7 +91,7 @@ inline void checkAlloc(const Blob::Ptr& blob, const std::string& err_str) {
     if (!blob->is<gpu::ClBlob>()) {
         not_allocated = (blob->buffer() == nullptr);
     } else {
-        not_allocated = !ov::runtime::intel_gpu::getBlobImpl(blob->as<gpu::ClBlob>())->is_allocated();
+        not_allocated = !ov::intel_gpu::getBlobImpl(blob->as<gpu::ClBlob>())->is_allocated();
     }
     if (not_allocated) {
         IE_THROW(NotAllocated) << err_str;
@@ -175,7 +175,6 @@ bool same_host_mem(cldnn::memory::ptr memPtr, uint8_t* hostPtr) {
 }  // namespace
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 // ----------------------------------------------------------------------------------------- //
@@ -1277,5 +1276,4 @@ std::vector<std::shared_ptr<InferenceEngine::IVariableStateInternal>> InferReque
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/adaptive_pooling.cpp b/src/plugins/intel_gpu/src/plugin/ops/adaptive_pooling.cpp
index f47553d722a..1741b52971e 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/adaptive_pooling.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/adaptive_pooling.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/adaptive_pooling.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateAdaptiveAvgPoolOp(Program& p, const std::shared_ptr<ngraph::op::v8::AdaptiveAvgPool>& op) {
@@ -74,5 +73,4 @@ REGISTER_FACTORY_IMPL(v8, AdaptiveAvgPool);
 REGISTER_FACTORY_IMPL(v8, AdaptiveMaxPool);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/batch_to_space.cpp b/src/plugins/intel_gpu/src/plugin/ops/batch_to_space.cpp
index 37776c156a9..6cd678e7e78 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/batch_to_space.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/batch_to_space.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/batch_to_space.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateBatchToSpaceOp(Program& p, const std::shared_ptr<ngraph::op::v1::BatchToSpace>& op) {
@@ -54,5 +53,4 @@ static void CreateBatchToSpaceOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v1, BatchToSpace);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/broadcast.cpp b/src/plugins/intel_gpu/src/plugin/ops/broadcast.cpp
index 28b23762826..70fbdb22766 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/broadcast.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/broadcast.cpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/primitives/reshape.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonBroadcastOp(Program& p, const std::shared_ptr<ngraph::Node>& op, const ngraph::AxisSet axis_mapping) {
@@ -122,5 +121,4 @@ REGISTER_FACTORY_IMPL(v1, Broadcast);
 REGISTER_FACTORY_IMPL(v3, Broadcast);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/bucketize.cpp b/src/plugins/intel_gpu/src/plugin/ops/bucketize.cpp
index 38af94f8a69..a6e3180561d 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/bucketize.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/bucketize.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/plugin/program.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -32,5 +31,4 @@ void CreateBucketizeOp(Program& p, const std::shared_ptr<ngraph::op::v3::Bucketi
 REGISTER_FACTORY_IMPL(v3, Bucketize);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/concat.cpp b/src/plugins/intel_gpu/src/plugin/ops/concat.cpp
index 60220dcc20e..3e7b1705e05 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/concat.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/concat.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/concatenation.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateConcatOp(Program& p, const std::shared_ptr<ngraph::op::v0::Concat>& op) {
@@ -34,5 +33,4 @@ static void CreateConcatOp(Program& p, const std::shared_ptr<ngraph::op::v0::Con
 REGISTER_FACTORY_IMPL(v0, Concat);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/constant.cpp b/src/plugins/intel_gpu/src/plugin/ops/constant.cpp
index 1109d50e9c4..d2e54fb3c7f 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/constant.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/constant.cpp
@@ -21,7 +21,6 @@
 #include "intel_gpu/runtime/debug_configuration.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::tensor getConstTensor(const ngraph::Shape constDims) {
@@ -238,5 +237,4 @@ void createClDnnConstant(Program& p, const ngraph::Shape& constDims, const std::
 REGISTER_FACTORY_IMPL(v0, Constant);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/convert.cpp b/src/plugins/intel_gpu/src/plugin/ops/convert.cpp
index efb2b5185fe..8d9cb5581d7 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/convert.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/convert.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateConvertLikeOp(Program& p, const std::shared_ptr<ngraph::op::v1::ConvertLike>& op) {
@@ -55,5 +54,4 @@ REGISTER_FACTORY_IMPL(v0, Convert);
 REGISTER_FACTORY_IMPL(v1, ConvertLike);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/convert_color.cpp b/src/plugins/intel_gpu/src/plugin/ops/convert_color.cpp
index 30fd9678097..922a8bbaec3 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/convert_color.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/convert_color.cpp
@@ -10,7 +10,6 @@
 #include "openvino/core/preprocess/input_tensor_info.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonConvertColorOp(Program& p, const std::shared_ptr<ngraph::Node>& op,
@@ -90,5 +89,4 @@ REGISTER_FACTORY_IMPL(v8, I420toRGB);
 REGISTER_FACTORY_IMPL(v8, I420toBGR);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/convolution.cpp b/src/plugins/intel_gpu/src/plugin/ops/convolution.cpp
index 0a0ce79ce86..591825ecb4e 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/convolution.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/convolution.cpp
@@ -20,7 +20,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateGroupConvolutionOp(Program& p, const std::shared_ptr<ngraph::op::v1::GroupConvolution>& op) {
@@ -380,5 +379,4 @@ REGISTER_FACTORY_IMPL(v8, DeformableConvolution);
 REGISTER_FACTORY_IMPL(v1, BinaryConvolution);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/ctc_greedy_decoder.cpp b/src/plugins/intel_gpu/src/plugin/ops/ctc_greedy_decoder.cpp
index 787fb7504ea..98dc05eea8e 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/ctc_greedy_decoder.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/ctc_greedy_decoder.cpp
@@ -16,7 +16,6 @@
 #include "transformations/utils/utils.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonCTCGreedyDecoderOp(Program& p, const std::shared_ptr<ngraph::Node>& op, bool ctc_merge_repeated) {
@@ -134,5 +133,4 @@ REGISTER_FACTORY_IMPL(v0, CTCGreedyDecoder);
 REGISTER_FACTORY_IMPL(v6, CTCGreedyDecoderSeqLen);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/cum_sum.cpp b/src/plugins/intel_gpu/src/plugin/ops/cum_sum.cpp
index 78f1bcc64f5..b847914cf1c 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/cum_sum.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/cum_sum.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/cum_sum.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static inline cldnn::cum_sum::cum_sum_axis GetCumSumAxis(int32_t axis, uint32_t rank) {
@@ -75,5 +74,4 @@ static void CreateCumSumOp(Program& p, const std::shared_ptr<ngraph::op::v0::Cum
 REGISTER_FACTORY_IMPL(v0, CumSum);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/custom.cpp b/src/plugins/intel_gpu/src/plugin/ops/custom.cpp
index 6af9fb4ece6..1f2c55e8edb 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/custom.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/custom.cpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 template<typename T>
@@ -258,5 +257,4 @@ void CreateCustomOp(Program& p, const std::shared_ptr<ngraph::Node>& op, CustomL
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/depth_to_space.cpp b/src/plugins/intel_gpu/src/plugin/ops/depth_to_space.cpp
index ccb90b05ef2..ba329ce4bfa 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/depth_to_space.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/depth_to_space.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/depth_to_space.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::depth_to_space_mode GetDepthMode(ngraph::op::v0::DepthToSpace::DepthToSpaceMode mode) {
@@ -45,5 +44,4 @@ static void CreateDepthToSpaceOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v0, DepthToSpace);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/detection_output.cpp b/src/plugins/intel_gpu/src/plugin/ops/detection_output.cpp
index f64100d84ff..de5702167ba 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/detection_output.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/detection_output.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/detection_output.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::prior_box_code_type PriorBoxCodeFromString(const std::string& str) {
@@ -87,5 +86,4 @@ static void CreateDetectionOutputOp(Program& p, const std::shared_ptr<ngraph::op
 REGISTER_FACTORY_IMPL(v0, DetectionOutput);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/dft.cpp b/src/plugins/intel_gpu/src/plugin/ops/dft.cpp
index 42a539e7793..8b3a3b220fa 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/dft.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/dft.cpp
@@ -9,7 +9,6 @@
 #include <ngraph/op/dft.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -50,5 +49,4 @@ REGISTER_FACTORY_IMPL(v7, DFT);
 REGISTER_FACTORY_IMPL(v7, IDFT);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/eltwise.cpp b/src/plugins/intel_gpu/src/plugin/ops/eltwise.cpp
index ddebd8e4038..49124738513 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/eltwise.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/eltwise.cpp
@@ -31,7 +31,6 @@
 #include "intel_gpu/primitives/reshape.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 void CreateElementwiseOp(Program& p, const std::shared_ptr<ngraph::Node>& op, cldnn::eltwise_mode mode) {
@@ -197,5 +196,4 @@ REGISTER_FACTORY_IMPL(v1, FloorMod);
 REGISTER_FACTORY_IMPL(v1, Mod);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/embedding_bag.cpp b/src/plugins/intel_gpu/src/plugin/ops/embedding_bag.cpp
index 4706da8a808..87b6faa2498 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/embedding_bag.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/embedding_bag.cpp
@@ -15,7 +15,6 @@
 #include "transformations/utils/utils.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateEmbeddingBagOffsetsSumOp(Program& p, const std::shared_ptr<ngraph::op::v3::EmbeddingBagOffsetsSum>& op) {
@@ -179,5 +178,4 @@ REGISTER_FACTORY_IMPL(v3, EmbeddingBagPackedSum);
 REGISTER_FACTORY_IMPL(v3, EmbeddingSegmentsSum);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_detection_output.cpp b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_detection_output.cpp
index c3636564580..0735169ae14 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_detection_output.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_detection_output.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/mutable_data.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateExperimentalDetectronDetectionOutputOp(
@@ -97,5 +96,4 @@ static void CreateExperimentalDetectronDetectionOutputOp(
 REGISTER_FACTORY_IMPL(v6, ExperimentalDetectronDetectionOutput);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_generate_proposals_single_image.cpp b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_generate_proposals_single_image.cpp
index ef081fb3806..b1e7a9e369f 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_generate_proposals_single_image.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_generate_proposals_single_image.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/experimental_detectron_generate_proposals_single_image.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateExperimentalDetectronGenerateProposalsSingleImageOp(
@@ -62,5 +61,4 @@ static void CreateExperimentalDetectronGenerateProposalsSingleImageOp(
 REGISTER_FACTORY_IMPL(v6, ExperimentalDetectronGenerateProposalsSingleImage);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_prior_grid_generator.cpp b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_prior_grid_generator.cpp
index d82d22829a5..c2fb6b1193b 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_prior_grid_generator.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_prior_grid_generator.cpp
@@ -8,7 +8,6 @@
 #include <ngraph/op/experimental_detectron_prior_grid_generator.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 namespace {
 cldnn::tensor mkTensor(const ov::Shape& shape) {
@@ -50,5 +49,4 @@ static void CreateExperimentalDetectronPriorGridGeneratorOp(
 REGISTER_FACTORY_IMPL(v6, ExperimentalDetectronPriorGridGenerator);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_roi_feature_extractor.cpp b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_roi_feature_extractor.cpp
index 8ed016e6811..cdd3c69a468 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_roi_feature_extractor.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_roi_feature_extractor.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/experimental_detectron_roi_feature_extractor.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateExperimentalDetectronROIFeatureExtractorOp(Program& p, const std::shared_ptr<ngraph::op::v6::ExperimentalDetectronROIFeatureExtractor>& op) {
@@ -57,5 +56,4 @@ static void CreateExperimentalDetectronROIFeatureExtractorOp(Program& p, const s
 REGISTER_FACTORY_IMPL(v6, ExperimentalDetectronROIFeatureExtractor);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_topk_rois.cpp b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_topk_rois.cpp
index 8631d911430..d20b868aa8b 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_topk_rois.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/experimental_detectron_topk_rois.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/arg_max_min.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -45,6 +44,5 @@ void CreateExperimentalDetectronTopKROIsOp(Program &p,
 
 REGISTER_FACTORY_IMPL(v6, ExperimentalDetectronTopKROIs);
 
-} // namespace intel_gpu
-} // namespace runtime
-} // namespace ov
+}  // namespace intel_gpu
+}  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/extract_image_patches.cpp b/src/plugins/intel_gpu/src/plugin/ops/extract_image_patches.cpp
index c0a2029bfec..35cc7e2f002 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/extract_image_patches.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/extract_image_patches.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/extract_image_patches.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static inline std::string PadToString(ngraph::op::PadType pad) {
@@ -50,5 +49,4 @@ static void CreateExtractImagePatchesOp(Program& p, const std::shared_ptr<ngraph
 REGISTER_FACTORY_IMPL(v3, ExtractImagePatches);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/fake_quantize.cpp b/src/plugins/intel_gpu/src/plugin/ops/fake_quantize.cpp
index 5525f7afbb3..fec92a11452 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/fake_quantize.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/fake_quantize.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/quantize.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateFakeQuantizeOp(Program& p, const std::shared_ptr<ngraph::op::v0::FakeQuantize>& op) {
@@ -43,5 +42,4 @@ static void CreateFakeQuantizeOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v0, FakeQuantize);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/gather tree.cpp b/src/plugins/intel_gpu/src/plugin/ops/gather tree.cpp
index 488c9aabd44..15fbe279081 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/gather tree.cpp	
+++ b/src/plugins/intel_gpu/src/plugin/ops/gather tree.cpp	
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateGatherTreeOp(Program& p, const std::shared_ptr<ngraph::op::v1::GatherTree>& op) {
@@ -58,5 +57,4 @@ static void CreateGatherTreeOp(Program& p, const std::shared_ptr<ngraph::op::v1:
 REGISTER_FACTORY_IMPL(v1, GatherTree);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/gather.cpp b/src/plugins/intel_gpu/src/plugin/ops/gather.cpp
index 3f5ba77a516..3872c35243d 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/gather.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/gather.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 template <typename T>
@@ -81,5 +80,4 @@ static void CreateGatherOp(Program& p, const std::shared_ptr<ngraph::op::v8::Gat
 REGISTER_FACTORY_IMPL(v8, Gather);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/gather_elements.cpp b/src/plugins/intel_gpu/src/plugin/ops/gather_elements.cpp
index 7dfc5bc4f3c..a994ec61890 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/gather_elements.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/gather_elements.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/gather_elements.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::gather_elements::gather_elements_axis GetGatherAxis(int axis, unsigned rank) {
@@ -67,5 +66,4 @@ static void CreateGatherElementsOp(Program& p, const std::shared_ptr<ngraph::op:
 REGISTER_FACTORY_IMPL(v6, GatherElements);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/gather_nd.cpp b/src/plugins/intel_gpu/src/plugin/ops/gather_nd.cpp
index b1fea3d0807..dfc16bee19d 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/gather_nd.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/gather_nd.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/gather_nd.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateGatherNDOp(Program& p, const std::shared_ptr<ngraph::op::v5::GatherND>& op) {
@@ -65,5 +64,4 @@ static void CreateGatherNDOp(Program& p, const std::shared_ptr<ngraph::op::v8::G
 REGISTER_FACTORY_IMPL(v8, GatherND);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/grn.cpp b/src/plugins/intel_gpu/src/plugin/ops/grn.cpp
index 1a3ab8ac59f..2cc323b4f71 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/grn.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/grn.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/grn.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateGRNOp(Program& p, const std::shared_ptr<ngraph::op::v0::GRN>& op) {
@@ -31,5 +30,4 @@ static void CreateGRNOp(Program& p, const std::shared_ptr<ngraph::op::v0::GRN>&
 REGISTER_FACTORY_IMPL(v0, GRN);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/interpolate.cpp b/src/plugins/intel_gpu/src/plugin/ops/interpolate.cpp
index f80497c2809..d818960a744 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/interpolate.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/interpolate.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/resample.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::coordinate_transformation_mode GetCoordinateTransformationMode(ngraph::op::v4::Interpolate::CoordinateTransformMode mode) {
@@ -205,5 +204,4 @@ static void CreateInterpolateOp(Program& p, const std::shared_ptr<ngraph::op::v4
 REGISTER_FACTORY_IMPL(v4, Interpolate);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/loop.cpp b/src/plugins/intel_gpu/src/plugin/ops/loop.cpp
index 9d7bc476cf3..ca9ada0f4f5 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/loop.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/loop.cpp
@@ -27,7 +27,6 @@
 using Loop = ngraph::op::v5::Loop;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 template<class DATA_TYPE>
@@ -227,5 +226,4 @@ static void CreateLoopOp(Program& p, const std::shared_ptr<Loop>& op) {
 REGISTER_FACTORY_IMPL(v5, Loop);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/lrn.cpp b/src/plugins/intel_gpu/src/plugin/ops/lrn.cpp
index a90a901d175..7697b3a5666 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/lrn.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/lrn.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/lrn.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::lrn_norm_region GetNormRegion(std::vector<int64_t> axis_value) {
@@ -50,5 +49,4 @@ static void CreateLRNOp(Program& p, const std::shared_ptr<ngraph::op::v0::LRN>&
 REGISTER_FACTORY_IMPL(v0, LRN);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/matmul.cpp b/src/plugins/intel_gpu/src/plugin/ops/matmul.cpp
index e41cb55b2a9..b4478a6363a 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/matmul.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/matmul.cpp
@@ -16,7 +16,6 @@
 #include "intel_gpu/primitives/permute.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 /*
@@ -312,5 +311,4 @@ static void CreateMatMulOp(Program& p, const std::shared_ptr<ngraph::op::v0::Mat
 REGISTER_FACTORY_IMPL(v0, MatMul);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/mvn.cpp b/src/plugins/intel_gpu/src/plugin/ops/mvn.cpp
index c7c2bd9a5ba..cac45e2d5e1 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/mvn.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/mvn.cpp
@@ -13,7 +13,6 @@
 #include <algorithm>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonMVNOp(Program& p, const std::shared_ptr<ngraph::Node>& op,
@@ -68,5 +67,4 @@ REGISTER_FACTORY_IMPL(v0, MVN);
 REGISTER_FACTORY_IMPL(v6, MVN);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/non_max_suppression.cpp b/src/plugins/intel_gpu/src/plugin/ops/non_max_suppression.cpp
index f7ed6334d01..73b8a39aa16 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/non_max_suppression.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/non_max_suppression.cpp
@@ -15,7 +15,6 @@
 #include "intel_gpu/runtime/debug_configuration.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static bool GetCenterPointBox(ngraph::op::v5::NonMaxSuppression::BoxEncodingType encoding) {
@@ -178,5 +177,4 @@ static void CreateNonMaxSuppressionIEInternalOp(Program& p, const std::shared_pt
 REGISTER_FACTORY_IMPL(internal, NonMaxSuppressionIEInternal);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/normalize_l2.cpp b/src/plugins/intel_gpu/src/plugin/ops/normalize_l2.cpp
index f1df88545b2..06793884e66 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/normalize_l2.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/normalize_l2.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/data.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateNormalizeL2Op(Program& p, const std::shared_ptr<ngraph::op::v0::NormalizeL2>& op) {
@@ -64,5 +63,4 @@ static void CreateNormalizeL2Op(Program& p, const std::shared_ptr<ngraph::op::v0
 REGISTER_FACTORY_IMPL(v0, NormalizeL2);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/one_hot.cpp b/src/plugins/intel_gpu/src/plugin/ops/one_hot.cpp
index 41a2d029057..d071b15cc86 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/one_hot.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/one_hot.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/one_hot.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateOneHotOp(Program& p, const std::shared_ptr<ngraph::op::v1::OneHot>& op) {
@@ -75,5 +74,4 @@ static void CreateOneHotOp(Program& p, const std::shared_ptr<ngraph::op::v1::One
 REGISTER_FACTORY_IMPL(v1, OneHot);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/pad.cpp b/src/plugins/intel_gpu/src/plugin/ops/pad.cpp
index 0285d4bc472..9246443eef7 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/pad.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/pad.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/border.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::border_type GetBorderType(ngraph::op::PadMode mode) {
@@ -76,5 +75,4 @@ static void CreatePadOp(Program& p, const std::shared_ptr<ngraph::op::v1::Pad>&
 REGISTER_FACTORY_IMPL(v1, Pad);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/parameter.cpp b/src/plugins/intel_gpu/src/plugin/ops/parameter.cpp
index d5820fea9c0..47bf4390086 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/parameter.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/parameter.cpp
@@ -17,7 +17,6 @@
 using namespace InferenceEngine;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateParameterOp(Program& p, const std::shared_ptr<ngraph::op::v0::Parameter>& op) {
@@ -338,5 +337,4 @@ static void CreateParameterOp(Program& p, const std::shared_ptr<ngraph::op::v0::
 REGISTER_FACTORY_IMPL(v0, Parameter);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/pooling.cpp b/src/plugins/intel_gpu/src/plugin/ops/pooling.cpp
index cc8aa854902..3bc152b483d 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/pooling.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/pooling.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/pooling.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateAvgPoolOp(Program& p, const std::shared_ptr<ngraph::op::v1::AvgPool>& op) {
@@ -144,5 +143,4 @@ REGISTER_FACTORY_IMPL(v8, MaxPool);
 REGISTER_FACTORY_IMPL(v1, AvgPool);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/prior_box.cpp b/src/plugins/intel_gpu/src/plugin/ops/prior_box.cpp
index a0da0b748b1..16e857952fb 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/prior_box.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/prior_box.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/prior_box.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreatePriorBoxClusteredOp(Program& p, const std::shared_ptr<ngraph::op::v0::PriorBoxClustered>& op) {
@@ -117,5 +116,4 @@ REGISTER_FACTORY_IMPL(v0, PriorBoxClustered);
 REGISTER_FACTORY_IMPL(v0, PriorBox);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/proposal.cpp b/src/plugins/intel_gpu/src/plugin/ops/proposal.cpp
index 99ee9242b42..328dd64a334 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/proposal.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/proposal.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/runtime/debug_configuration.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateProposalOp(Program& p, const std::shared_ptr<ngraph::op::v0::Proposal>& op) {
@@ -156,5 +155,4 @@ REGISTER_FACTORY_IMPL(v0, Proposal);
 REGISTER_FACTORY_IMPL(v4, Proposal);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/random_uniform.cpp b/src/plugins/intel_gpu/src/plugin/ops/random_uniform.cpp
index ec37f4a42da..51e1cfb228d 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/random_uniform.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/random_uniform.cpp
@@ -9,7 +9,6 @@
 
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -34,6 +33,5 @@ void CreateRandomUniformOp(Program &p, const std::shared_ptr<ngraph::op::v8::Ran
 
 REGISTER_FACTORY_IMPL(v8, RandomUniform);
 
-} // namespace intel_gpu
-} // namespace runtime
-} // namespace ov
+}  // namespace intel_gpu
+}  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/range.cpp b/src/plugins/intel_gpu/src/plugin/ops/range.cpp
index eb79f75ee91..1e70bccdfb3 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/range.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/range.cpp
@@ -9,7 +9,6 @@
 #include <ngraph/op/range.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateRangeOp(Program &p, const std::shared_ptr<ngraph::op::v4::Range> &op) {
@@ -31,5 +30,4 @@ static void CreateRangeOp(Program &p, const std::shared_ptr<ngraph::op::v4::Rang
 REGISTER_FACTORY_IMPL(v4, Range);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/reduce.cpp b/src/plugins/intel_gpu/src/plugin/ops/reduce.cpp
index 9f9ea51ef56..d3895b479bc 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/reduce.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/reduce.cpp
@@ -21,7 +21,6 @@
 #include "intel_gpu/primitives/reshape.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateReduceOp(Program& p, const std::shared_ptr<ngraph::Node>& op, cldnn::reduce_mode mode, bool keep_dims) {
@@ -176,5 +175,4 @@ REGISTER_FACTORY_IMPL(v4, ReduceL1);
 REGISTER_FACTORY_IMPL(v4, ReduceL2);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/region_yolo.cpp b/src/plugins/intel_gpu/src/plugin/ops/region_yolo.cpp
index bbfc44d00f1..02aebc88872 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/region_yolo.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/region_yolo.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/region_yolo.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateRegionYoloOp(Program& p, const std::shared_ptr<ngraph::op::v0::RegionYolo>& op) {
@@ -40,5 +39,4 @@ static void CreateRegionYoloOp(Program& p, const std::shared_ptr<ngraph::op::v0:
 REGISTER_FACTORY_IMPL(v0, RegionYolo);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/reorg_yolo.cpp b/src/plugins/intel_gpu/src/plugin/ops/reorg_yolo.cpp
index 2a10a662ed3..36bd3b15db7 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/reorg_yolo.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/reorg_yolo.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/reorg_yolo.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateReorgYoloOp(Program& p, const std::shared_ptr<ngraph::op::v0::ReorgYolo>& op) {
@@ -32,5 +31,4 @@ static void CreateReorgYoloOp(Program& p, const std::shared_ptr<ngraph::op::v0::
 REGISTER_FACTORY_IMPL(v0, ReorgYolo);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/reshape.cpp b/src/plugins/intel_gpu/src/plugin/ops/reshape.cpp
index 43c9570d34d..54bf2a4724c 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/reshape.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/reshape.cpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonReshapeOp(Program& p, const std::shared_ptr<ngraph::Node>& op) {
@@ -77,5 +76,4 @@ REGISTER_FACTORY_IMPL(v0, Squeeze);
 REGISTER_FACTORY_IMPL(v0, Unsqueeze);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/result.cpp b/src/plugins/intel_gpu/src/plugin/ops/result.cpp
index 6c8992b0536..fcb857d6e91 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/result.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/result.cpp
@@ -12,7 +12,6 @@
 using namespace InferenceEngine;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateResultOp(Program& p, const std::shared_ptr<ngraph::op::v0::Result>& op) {
@@ -83,5 +82,4 @@ static void CreateResultOp(Program& p, const std::shared_ptr<ngraph::op::v0::Res
 REGISTER_FACTORY_IMPL(v0, Result);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/reverse.cpp b/src/plugins/intel_gpu/src/plugin/ops/reverse.cpp
index da64f22143b..2f8fbc18d99 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/reverse.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/reverse.cpp
@@ -9,7 +9,6 @@
 #include "ngraph/op/reverse_sequence.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateReverseOp(Program& p, const std::shared_ptr<ngraph::op::v1::Reverse>& op) {
@@ -28,5 +27,4 @@ static void CreateReverseOp(Program& p, const std::shared_ptr<ngraph::op::v1::Re
 REGISTER_FACTORY_IMPL(v1, Reverse);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/reverse_sequence.cpp b/src/plugins/intel_gpu/src/plugin/ops/reverse_sequence.cpp
index cdde92ce310..42195a9d8a1 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/reverse_sequence.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/reverse_sequence.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/reverse_sequence.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateReverseSequenceOp(Program& p, const std::shared_ptr<ngraph::op::v0::ReverseSequence>& op) {
@@ -34,5 +33,4 @@ static void CreateReverseSequenceOp(Program& p, const std::shared_ptr<ngraph::op
 REGISTER_FACTORY_IMPL(v0, ReverseSequence);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/rnn.cpp b/src/plugins/intel_gpu/src/plugin/ops/rnn.cpp
index a8b877ef0e8..43b2814f48a 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/rnn.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/rnn.cpp
@@ -16,7 +16,6 @@
 #include "intel_gpu/primitives/concatenation.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 static cldnn::activation_func GetActivationFunc(std::string name) {
     static const std::map<std::string, cldnn::activation_func> name_mapping = {
@@ -356,5 +355,4 @@ REGISTER_FACTORY_IMPL(v4, LSTMCell);
 REGISTER_FACTORY_IMPL(v5, LSTMSequence);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/roi_align.cpp b/src/plugins/intel_gpu/src/plugin/ops/roi_align.cpp
index 5e1ad699ae7..416249fc949 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/roi_align.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/roi_align.cpp
@@ -8,7 +8,6 @@
 #include <memory>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -42,5 +41,4 @@ void CreateROIAlignOp(Program& p, const std::shared_ptr<ngraph::op::v3::ROIAlign
 REGISTER_FACTORY_IMPL(v3, ROIAlign);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/roi_pooling.cpp b/src/plugins/intel_gpu/src/plugin/ops/roi_pooling.cpp
index 896df6efa96..6872528a9ae 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/roi_pooling.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/roi_pooling.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/roi_pooling.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::pooling_mode GetPoolingMode(std::string method) {
@@ -129,5 +128,4 @@ REGISTER_FACTORY_IMPL(v0, PSROIPooling);
 REGISTER_FACTORY_IMPL(v0, ROIPooling);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/roll.cpp b/src/plugins/intel_gpu/src/plugin/ops/roll.cpp
index 454897f6786..6a0c35c1e77 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/roll.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/roll.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/plugin/program.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -71,5 +70,4 @@ void CreateRollOp(Program& p, const std::shared_ptr<ngraph::op::v7::Roll>& op) {
 REGISTER_FACTORY_IMPL(v7, Roll);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/scatter_elements_update.cpp b/src/plugins/intel_gpu/src/plugin/ops/scatter_elements_update.cpp
index 26bfbc3f673..095dfa586b9 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/scatter_elements_update.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/scatter_elements_update.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/scatter_elements_update.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static inline cldnn::scatter_elements_update::scatter_elements_update_axis GetScatterElementsUpdateAxis(int axis, unsigned rank) {
@@ -69,5 +68,4 @@ static void CreateScatterElementsUpdateOp(Program& p, const std::shared_ptr<ngra
 REGISTER_FACTORY_IMPL(v3, ScatterElementsUpdate);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/scatter_nd_update.cpp b/src/plugins/intel_gpu/src/plugin/ops/scatter_nd_update.cpp
index 0934e2f7891..5a53875f4c7 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/scatter_nd_update.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/scatter_nd_update.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/scatter_nd_update.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateScatterNDUpdateOp(Program& p, const std::shared_ptr<ngraph::op::v3::ScatterNDUpdate>& op) {
@@ -49,5 +48,4 @@ static void CreateScatterNDUpdateOp(Program& p, const std::shared_ptr<ngraph::op
 REGISTER_FACTORY_IMPL(v3, ScatterNDUpdate);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/scatter_update.cpp b/src/plugins/intel_gpu/src/plugin/ops/scatter_update.cpp
index 7787f979478..a7127c9cad7 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/scatter_update.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/scatter_update.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/scatter_update.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static inline cldnn::scatter_update::scatter_update_axis GetScatterUpdateAxis(int axis, unsigned rank) {
@@ -69,5 +68,4 @@ static void CreateScatterUpdateOp(Program& p, const std::shared_ptr<ngraph::op::
 REGISTER_FACTORY_IMPL(v3, ScatterUpdate);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/select.cpp b/src/plugins/intel_gpu/src/plugin/ops/select.cpp
index a48af6a371b..429e170be7e 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/select.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/select.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/reshape.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateSelectOp(Program& p, const std::shared_ptr<ngraph::op::v1::Select>& op) {
@@ -92,5 +91,4 @@ static void CreateSelectOp(Program& p, const std::shared_ptr<ngraph::op::v1::Sel
 REGISTER_FACTORY_IMPL(v1, Select);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/shape_of.cpp b/src/plugins/intel_gpu/src/plugin/ops/shape_of.cpp
index f663b055545..66286be25f0 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/shape_of.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/shape_of.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/shape_of.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateShapeOfOpCommon(Program& p, const std::shared_ptr<ngraph::Node>& op) {
@@ -40,5 +39,4 @@ REGISTER_FACTORY_IMPL(v0, ShapeOf);
 REGISTER_FACTORY_IMPL(v3, ShapeOf);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/shuffle_channels.cpp b/src/plugins/intel_gpu/src/plugin/ops/shuffle_channels.cpp
index 6fec3f72e8f..cb391c73d12 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/shuffle_channels.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/shuffle_channels.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/shuffle_channels.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateShuffleChannelsOp(Program& p, const std::shared_ptr<ngraph::op::v0::ShuffleChannels>& op) {
@@ -48,5 +47,4 @@ static void CreateShuffleChannelsOp(Program& p, const std::shared_ptr<ngraph::op
 REGISTER_FACTORY_IMPL(v0, ShuffleChannels);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/slice.cpp b/src/plugins/intel_gpu/src/plugin/ops/slice.cpp
index 5ec2afc7bd6..bc72e2b2fb1 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/slice.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/slice.cpp
@@ -12,7 +12,6 @@
 #include <memory>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -33,5 +32,4 @@ static void CreateSliceOp(Program& p, const std::shared_ptr<ngraph::op::v8::Slic
 REGISTER_FACTORY_IMPL(v8, Slice);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/softmax.cpp b/src/plugins/intel_gpu/src/plugin/ops/softmax.cpp
index 37171710597..fca51fd9253 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/softmax.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/softmax.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/activation.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::softmax::dimension_t GetSoftmaxAxis(int64_t axis, size_t rank) {
@@ -75,5 +74,4 @@ REGISTER_FACTORY_IMPL(v1, Softmax);
 REGISTER_FACTORY_IMPL(v5, LogSoftmax);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/space_to_batch.cpp b/src/plugins/intel_gpu/src/plugin/ops/space_to_batch.cpp
index d49f1bbab45..12c40f348a4 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/space_to_batch.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/space_to_batch.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/space_to_batch.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateSpaceToBatchOp(Program& p, const std::shared_ptr<ngraph::op::v1::SpaceToBatch>& op) {
@@ -54,5 +53,4 @@ static void CreateSpaceToBatchOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v1, SpaceToBatch);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/space_to_depth.cpp b/src/plugins/intel_gpu/src/plugin/ops/space_to_depth.cpp
index b266f36cf6d..381a1c57651 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/space_to_depth.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/space_to_depth.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/space_to_depth.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::space_to_depth::depth_mode GetDepthMode(ngraph::op::v0::SpaceToDepth::SpaceToDepthMode mode) {
@@ -39,5 +38,4 @@ static void CreateSpaceToDepthOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v0, SpaceToDepth);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/split.cpp b/src/plugins/intel_gpu/src/plugin/ops/split.cpp
index 6c7ce4773ea..4e5d36e6119 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/split.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/split.cpp
@@ -11,7 +11,6 @@
 #include "intel_gpu/primitives/crop.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateCommonSplitOp(Program& p, const std::shared_ptr<ngraph::Node>& op) {
@@ -74,5 +73,4 @@ REGISTER_FACTORY_IMPL(v1, Split);
 REGISTER_FACTORY_IMPL(v1, VariadicSplit);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/strided_slice.cpp b/src/plugins/intel_gpu/src/plugin/ops/strided_slice.cpp
index 595d84c97f6..4da1ae7b2a1 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/strided_slice.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/strided_slice.cpp
@@ -13,7 +13,6 @@
 #include "intel_gpu/primitives/crop.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateStridedSliceOp(Program& p, const std::shared_ptr<ngraph::op::v1::StridedSlice>& op) {
@@ -253,5 +252,4 @@ static void CreateStridedSliceOp(Program& p, const std::shared_ptr<ngraph::op::v
 REGISTER_FACTORY_IMPL(v1, StridedSlice);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/tensor_iterator.cpp b/src/plugins/intel_gpu/src/plugin/ops/tensor_iterator.cpp
index eda5ddac14f..24f513a9ffc 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/tensor_iterator.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/tensor_iterator.cpp
@@ -24,7 +24,6 @@
 using TensorIterator = ngraph::op::v0::TensorIterator;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 template<class DATA_TYPE>
@@ -201,5 +200,4 @@ static void CreateTensorIteratorOp(Program &p, const std::shared_ptr<TensorItera
 REGISTER_FACTORY_IMPL(v0, TensorIterator);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/tile.cpp b/src/plugins/intel_gpu/src/plugin/ops/tile.cpp
index 53e153301c9..849d7644224 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/tile.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/tile.cpp
@@ -10,7 +10,6 @@
 #include "intel_gpu/primitives/tile.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateTileOp(Program& p, const std::shared_ptr<ngraph::op::v0::Tile>& op) {
@@ -30,5 +29,4 @@ static void CreateTileOp(Program& p, const std::shared_ptr<ngraph::op::v0::Tile>
 REGISTER_FACTORY_IMPL(v0, Tile);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/topk.cpp b/src/plugins/intel_gpu/src/plugin/ops/topk.cpp
index 3a404577cfc..4be07c20450 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/topk.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/topk.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/runtime/debug_configuration.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static cldnn::arg_max_min::axis_name GetAxis(int32_t axis, size_t in_rank) {
@@ -133,5 +132,4 @@ static void CreateTopKOp(Program& p, const std::shared_ptr<ngraph::op::v1::TopK>
 REGISTER_FACTORY_IMPL(v1, TopK);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/transpose.cpp b/src/plugins/intel_gpu/src/plugin/ops/transpose.cpp
index 04226c4dbfd..f250b942438 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/transpose.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/transpose.cpp
@@ -12,7 +12,6 @@
 #include "intel_gpu/primitives/reorder.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 static void CreateTransposeOp(Program& p, const std::shared_ptr<ngraph::op::v1::Transpose>& op) {
@@ -79,5 +78,4 @@ static void CreateTransposeOp(Program& p, const std::shared_ptr<ngraph::op::v1::
 REGISTER_FACTORY_IMPL(v1, Transpose);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/unary.cpp b/src/plugins/intel_gpu/src/plugin/ops/unary.cpp
index f9facc6f291..963a00cb6d9 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/unary.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/unary.cpp
@@ -44,7 +44,6 @@
 #include "intel_gpu/primitives/activation.hpp"
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 void CreateUnaryEltwiseOp(Program& p, const std::shared_ptr<ngraph::Node>& op,
@@ -329,5 +328,4 @@ REGISTER_FACTORY_IMPL(v5, Round);
 REGISTER_FACTORY_IMPL(v9, SoftSign);
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/ops/variable.cpp b/src/plugins/intel_gpu/src/plugin/ops/variable.cpp
index 722d5613e94..b0670003483 100644
--- a/src/plugins/intel_gpu/src/plugin/ops/variable.cpp
+++ b/src/plugins/intel_gpu/src/plugin/ops/variable.cpp
@@ -11,7 +11,6 @@
 
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -53,6 +52,5 @@ void CreateAssignOp(Program& p, const std::shared_ptr<ngraph::op::v6::Assign>& o
 REGISTER_FACTORY_IMPL(v6, Assign);
 REGISTER_FACTORY_IMPL(v6, ReadValue);
 
-} // namespace intel_gpu
-} // namespace runtime
-} // namespace ov
+}  // namespace intel_gpu
+}  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/plugin.cpp b/src/plugins/intel_gpu/src/plugin/plugin.cpp
index 28de1ee9a66..89ac8fbd0a6 100644
--- a/src/plugins/intel_gpu/src/plugin/plugin.cpp
+++ b/src/plugins/intel_gpu/src/plugin/plugin.cpp
@@ -54,7 +54,6 @@ using namespace InferenceEngine::gpu;
 using namespace InferenceEngine::details;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 #define FACTORY_DECLARATION(op_version, op_name) \
@@ -1091,8 +1090,7 @@ Parameter Plugin::GetMetric(const std::string& name, const std::map<std::string,
     }
 }
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
 
 static const Version version = { {2, 1}, CI_BUILD_NUMBER, "Intel GPU plugin" };
-IE_DEFINE_PLUGIN_CREATE_FUNCTION(ov::runtime::intel_gpu::Plugin, version)
+IE_DEFINE_PLUGIN_CREATE_FUNCTION(ov::intel_gpu::Plugin, version)
diff --git a/src/plugins/intel_gpu/src/plugin/program.cpp b/src/plugins/intel_gpu/src/plugin/program.cpp
index 693d5ee12ca..c3c7a9edecb 100644
--- a/src/plugins/intel_gpu/src/plugin/program.cpp
+++ b/src/plugins/intel_gpu/src/plugin/program.cpp
@@ -14,7 +14,6 @@ using namespace InferenceEngine;
 using namespace InferenceEngine::details;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 const cldnn::primitive_id Program::m_preProcessTag("_cldnn_input_preprocess");
@@ -519,5 +518,4 @@ bool IsNodeOnConstPath(const std::shared_ptr<ngraph::Node>& node) {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/remote_context.cpp b/src/plugins/intel_gpu/src/plugin/remote_context.cpp
index 1eaf01aea0b..dac62bae75b 100644
--- a/src/plugins/intel_gpu/src/plugin/remote_context.cpp
+++ b/src/plugins/intel_gpu/src/plugin/remote_context.cpp
@@ -13,7 +13,6 @@ using namespace InferenceEngine::gpu;
 using namespace InferenceEngine::details;
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 RemoteAllocator RemoteBlobImpl::m_allocator;
 
@@ -380,5 +379,4 @@ std::string ExecutionContextImpl::getDeviceName() const noexcept {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.cpp b/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.cpp
index f237e43f0cd..6b04b45f50d 100644
--- a/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.cpp
+++ b/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.cpp
@@ -11,7 +11,6 @@
 #include <ngraph/rt_info.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 namespace {
@@ -938,5 +937,4 @@ EinsumDecomposition::EinsumDecomposition() {
 }
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.hpp b/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.hpp
index d56fea2e55e..66a775054bc 100644
--- a/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.hpp
+++ b/src/plugins/intel_gpu/src/plugin/transformations/einsum_decomposition.hpp
@@ -8,7 +8,6 @@
 #include <transformations_visibility.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 /**
@@ -21,5 +20,4 @@ public:
 };
 
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/transformations_pipeline.cpp b/src/plugins/intel_gpu/src/plugin/transformations_pipeline.cpp
index ac7a2ef247a..a8996d52fec 100644
--- a/src/plugins/intel_gpu/src/plugin/transformations_pipeline.cpp
+++ b/src/plugins/intel_gpu/src/plugin/transformations_pipeline.cpp
@@ -106,7 +106,6 @@ static bool disableReduceDecomposition(const std::shared_ptr<const ngraph::Node>
 }  // namespace
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 void TransformationsPipeline::apply(std::shared_ptr<ov::Model> func) {
@@ -482,5 +481,4 @@ void TransformationsPipeline::apply(std::shared_ptr<ov::Model> func) {
     }
 }
 }  // namespace intel_gpu
-}  // namespace runtime
 }  // namespace ov
diff --git a/src/plugins/intel_gpu/src/plugin/variable_state.cpp b/src/plugins/intel_gpu/src/plugin/variable_state.cpp
index e0da57bc16c..971c7e516a4 100644
--- a/src/plugins/intel_gpu/src/plugin/variable_state.cpp
+++ b/src/plugins/intel_gpu/src/plugin/variable_state.cpp
@@ -5,7 +5,6 @@
 #include <blob_factory.hpp>
 
 namespace ov {
-namespace runtime {
 namespace intel_gpu {
 
 VariableState::VariableState(const std::string &name,
@@ -68,7 +67,5 @@ void VariableState::IterateOverStates(std::function<void(cldnn::network::Variabl
     }
 }
 
-} // namespace intel_gpu
-} // namespace runtime
-} // namespace ov
-
+}  // namespace intel_gpu
+}  // namespace ov