diff --git a/inference-engine/src/transformations/src/ngraph_ops/gather_tree_ie.cpp b/inference-engine/src/transformations/src/ngraph_ops/gather_tree_ie.cpp
index 8a76eb212f6..c916ccab6ae 100644
--- a/inference-engine/src/transformations/src/ngraph_ops/gather_tree_ie.cpp
+++ b/inference-engine/src/transformations/src/ngraph_ops/gather_tree_ie.cpp
@@ -34,30 +34,30 @@ void op::GatherTreeIE::validate_and_infer_types() {
 
     NODE_VALIDATION_CHECK(this,
                           step_ids_rank.rank().is_dynamic() ||
-                          static_cast<size_t>(step_ids_rank.rank()) == 3,
+                          step_ids_rank.rank().get_length() == 3,
                           "step_ids input rank must equal to 3 (step_ids rank: ",
-                          static_cast<size_t>(step_ids_rank.rank()),
+                          step_ids_rank.rank().get_length(),
                           ")");
 
     NODE_VALIDATION_CHECK(this,
                           parent_idx_rank.rank().is_dynamic() ||
-                          static_cast<size_t>(parent_idx_rank.rank()) == 3,
+                          parent_idx_rank.rank().get_length() == 3,
                           "parent_idx input rank must equal to 3 (parent_idx rank: ",
-                          static_cast<size_t>(parent_idx_rank.rank()),
+                          parent_idx_rank.rank().get_length(),
                           ")");
 
     NODE_VALIDATION_CHECK(this,
                           max_seq_len_rank.rank().is_dynamic() ||
-                          static_cast<size_t>(max_seq_len_rank.rank()) == 1,
+                          max_seq_len_rank.rank().get_length() == 1,
                           "max_seq_len input rank must equal to 1 (max_seq_len rank: ",
-                          static_cast<size_t>(max_seq_len_rank.rank()),
+                          max_seq_len_rank.rank().get_length(),
                           ")");
 
     NODE_VALIDATION_CHECK(this,
                           end_token_rank.rank().is_dynamic() ||
-                          static_cast<size_t>(end_token_rank.rank()) == 1,
+                          end_token_rank.rank().get_length() == 1,
                           "end_token input rank must be scalar (end_token rank: ",
-                          static_cast<size_t>(end_token_rank.rank()),
+                          end_token_rank.rank().get_length(),
                           ")");
 
     const auto& step_ids_et = get_input_element_type(0);
diff --git a/inference-engine/src/vpu/common/src/ngraph/transformations/dynamic_to_static_shape_concat.cpp b/inference-engine/src/vpu/common/src/ngraph/transformations/dynamic_to_static_shape_concat.cpp
index ae111b13b81..3c091c0a852 100644
--- a/inference-engine/src/vpu/common/src/ngraph/transformations/dynamic_to_static_shape_concat.cpp
+++ b/inference-engine/src/vpu/common/src/ngraph/transformations/dynamic_to_static_shape_concat.cpp
@@ -86,7 +86,7 @@ void dynamicToStaticShapeConcat(std::shared_ptr<ngraph::Node> target) {
                              "DynamicToStaticShape transformation for {} of type {} expects static "
                              "shape on inputs without DSR", target->get_friendly_name(),
                              target->get_type_info().name);
-            accumulatedStaticShapeValue[axis] += static_cast<size_t>(staticInputPartialShape[axis]);
+            accumulatedStaticShapeValue[axis] += staticInputPartialShape[axis].get_length();
         }
         return accumulatedStaticShapeValue;
     };
diff --git a/ngraph/src/ngraph/dimension.cpp b/ngraph/src/ngraph/dimension.cpp
index 478f719d0b4..0f8438821b4 100644
--- a/ngraph/src/ngraph/dimension.cpp
+++ b/ngraph/src/ngraph/dimension.cpp
@@ -150,17 +150,3 @@ Dimension::value_type Dimension::get_min_length() const
 {
     return dimension_length(m_dimension.get_min_val());
 }
-
-Dimension::operator size_t() const
-{
-    if (is_dynamic())
-    {
-        throw std::invalid_argument("Cannot convert dynamic dimension to size_t");
-    }
-    auto result = m_dimension.get_min_val();
-    if (result > std::numeric_limits<size_t>::max())
-    {
-        throw std::invalid_argument("Dimension to large for size_t");
-    }
-    return result;
-}
diff --git a/ngraph/src/ngraph/dimension.hpp b/ngraph/src/ngraph/dimension.hpp
index ec1fafc2f6d..0c2d21b83cc 100644
--- a/ngraph/src/ngraph/dimension.hpp
+++ b/ngraph/src/ngraph/dimension.hpp
@@ -72,12 +72,6 @@ namespace ngraph
             }
             return m_dimension.get_min_val();
         }
-
-        /// \brief Convert this dimension to `size_t`. This dimension must be static and
-        ///        non-negative.
-        /// \throws std::invalid_argument If this dimension is dynamic or negative.
-        explicit operator size_t() const NGRAPH_DEPRECATED("use get_length() instead");
-
         /// \brief Convert this dimension to `value_type`. This dimension must be static and
         ///        non-negative.
         /// \throws std::invalid_argument If this dimension is dynamic or negative.
diff --git a/ngraph/src/ngraph/op/group_conv.cpp b/ngraph/src/ngraph/op/group_conv.cpp
index f1555e0ce90..7aff64f5202 100644
--- a/ngraph/src/ngraph/op/group_conv.cpp
+++ b/ngraph/src/ngraph/op/group_conv.cpp
@@ -339,9 +339,9 @@ void op::v1::GroupConvolutionBackpropData::pre_validate_and_infer_types()
         if (filters_pshape[0].is_static() && filters_pshape[1].is_static() &&
             data_pshape[1].is_static())
         {
-            size_t groups{filters_pshape[0]};
-            size_t input_channels{filters_pshape[1]};
-            size_t n_data_channels{data_pshape[1]};
+            auto groups = filters_pshape[0].get_length();
+            auto input_channels = filters_pshape[1].get_length();
+            auto n_data_channels = data_pshape[1].get_length();
 
             NODE_VALIDATION_CHECK(this,
                                   n_data_channels % groups == 0,