diff --git a/ApplicationLibCode/Application/RiaPreferences.cpp b/ApplicationLibCode/Application/RiaPreferences.cpp
index 752184dcd2..10c2fec676 100644
--- a/ApplicationLibCode/Application/RiaPreferences.cpp
+++ b/ApplicationLibCode/Application/RiaPreferences.cpp
@@ -487,8 +487,6 @@ void RiaPreferences::defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering&
         scriptGroup->add( &scriptDirectories );
         scriptGroup->add( &m_maxScriptFoldersDepth );
         scriptGroup->add( &scriptEditorExecutable );
-
-        m_opmPreferences()->appendItems( uiOrdering );
     }
     else if ( uiConfigName == RiaPreferences::tabNameOpmFlow() )
     {
diff --git a/ApplicationLibCode/Commands/CompletionExportCommands/RicWellPathExportMswCompletionsImpl.cpp b/ApplicationLibCode/Commands/CompletionExportCommands/RicWellPathExportMswCompletionsImpl.cpp
index be016bb1cd..4a75e530d8 100644
--- a/ApplicationLibCode/Commands/CompletionExportCommands/RicWellPathExportMswCompletionsImpl.cpp
+++ b/ApplicationLibCode/Commands/CompletionExportCommands/RicWellPathExportMswCompletionsImpl.cpp
@@ -190,12 +190,6 @@ void exportSplitMswData( const RicExportCompletionDataSettingsUi& exportSettings
 
 }; // namespace internal
 
-namespace internal
-{
-constexpr double VALVE_SEGMENT_LENGTH = 0.1;
-
-}; // namespace internal
-
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/FileInterface/RifEclipseSummaryTools.h b/ApplicationLibCode/FileInterface/RifEclipseSummaryTools.h
index 5c66bdca0e..bbf090b7ed 100644
--- a/ApplicationLibCode/FileInterface/RifEclipseSummaryTools.h
+++ b/ApplicationLibCode/FileInterface/RifEclipseSummaryTools.h
@@ -83,7 +83,6 @@ public:
     // Do not use this method directly, use the overload that infers the useOpmReader from Preferences
     // This method is public to be able to call it from unit tests
     static std::vector<QString> getRestartFileNames( const QString& headerFileName, bool useOpmReader, std::vector<QString>& warnings );
-    static QString              getRestartFilePath( const QString& headerFileName, const QString& restartCaseNameFromFile );
 
 private:
     static void    findSummaryFiles( const QString& inputFile, QString* headerFile, QStringList* dataFiles );
diff --git a/ApplicationLibCode/FileInterface/RifReaderEclipseOutput.cpp b/ApplicationLibCode/FileInterface/RifReaderEclipseOutput.cpp
index 802aa68a86..9993237f37 100644
--- a/ApplicationLibCode/FileInterface/RifReaderEclipseOutput.cpp
+++ b/ApplicationLibCode/FileInterface/RifReaderEclipseOutput.cpp
@@ -407,12 +407,6 @@ bool RifReaderEclipseOutput::open( const QString& fileName, RigEclipseCaseData*
         eclipseCaseData->mainGrid()->invalidateCellsAboveI( iLimitFromEdfm - 1 /* zero based index */ );
     }
 
-    auto iLimitFromEdfm = RifEdfmTools::checkForEdfmLimitI( fileName );
-    if ( iLimitFromEdfm > 0 )
-    {
-        eclipseCaseData->mainGrid()->invalidateCellsAboveI( iLimitFromEdfm - 1 /* zero based index */ );
-    }
-
     {
         auto task = progress.task( "Reading faults", 10 );
 
diff --git a/ApplicationLibCode/ProjectDataModel/RiaOpmParserTools.cpp b/ApplicationLibCode/ProjectDataModel/RiaOpmParserTools.cpp
index aecd764dab..671ccbcdae 100644
--- a/ApplicationLibCode/ProjectDataModel/RiaOpmParserTools.cpp
+++ b/ApplicationLibCode/ProjectDataModel/RiaOpmParserTools.cpp
@@ -104,8 +104,6 @@ std::tuple<Opm::UnitSystem, std::vector<RifVfpProdTable>, std::vector<RifVfpInjT
 
     std::optional<Opm::UnitSystem> unitSystemFromTables;
 
-    std::optional<Opm::UnitSystem> unitSystemFromTables;
-
     try
     {
         // The parser is not robust when looking for a small number of keywords. Several keywords is added as parsing error occurs.
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryMultiPlot.h b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryMultiPlot.h
index 1a5937caa5..6b7ed3e7b9 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryMultiPlot.h
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryMultiPlot.h
@@ -158,8 +158,6 @@ private:
 
     void updateReadOnlyState();
 
-    void updateReadOutSettings();
-
     std::pair<double, double> adjustedMinMax( const RimPlotAxisProperties* axis, double min, double max ) const;
 
     RimSummaryPlotReadOut* activeReadoutSettings() const;
diff --git a/ApplicationLibCode/ProjectDataModel/VerticalFlowPerformance/RimVfpTableData.cpp b/ApplicationLibCode/ProjectDataModel/VerticalFlowPerformance/RimVfpTableData.cpp
index 41430072a0..0f798baa43 100644
--- a/ApplicationLibCode/ProjectDataModel/VerticalFlowPerformance/RimVfpTableData.cpp
+++ b/ApplicationLibCode/ProjectDataModel/VerticalFlowPerformance/RimVfpTableData.cpp
@@ -27,8 +27,6 @@
 
 #include "RimVfpTable.h"
 
-#include <opm/input/eclipse/Units/UnitSystem.hpp>
-
 #include "cafCmdFeatureMenuBuilder.h"
 
 #include <QFileInfo>
diff --git a/ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogChannelData.h b/ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogChannelData.h
index 5ea25b20c4..72651c55ec 100644
--- a/ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogChannelData.h
+++ b/ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogChannelData.h
@@ -20,7 +20,6 @@
 
 #include "cafPdmField.h"
 #include "cafPdmObject.h"
-#include "cafPdmPtrField.h"
 
 #include <QString>
 #include <vector>
diff --git a/ApplicationLibCode/UserInterface/RiuRelativePermeabilityPlotUpdater.cpp b/ApplicationLibCode/UserInterface/RiuRelativePermeabilityPlotUpdater.cpp
index 010c27c87b..2bafb32f93 100644
--- a/ApplicationLibCode/UserInterface/RiuRelativePermeabilityPlotUpdater.cpp
+++ b/ApplicationLibCode/UserInterface/RiuRelativePermeabilityPlotUpdater.cpp
@@ -21,8 +21,6 @@
 #include "RiaLogging.h"
 #include "RiaResultNames.h"
 
-#include "RiaResultNames.h"
-
 #include "RigActiveCellInfo.h"
 #include "RigCaseCellResultsData.h"
 #include "RigEclipseCaseData.h"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b9ea1234e8..434f3532e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -772,16 +772,6 @@ else()
   list(APPEND THIRD_PARTY_LIBRARIES pugixml::static)
 endif()
 
-# ##############################################################################
-# pugixml
-# ##############################################################################
-find_package(pugixml CONFIG REQUIRED)
-if(MSVC)
-  list(APPEND THIRD_PARTY_LIBRARIES pugixml::pugixml)
-else()
-  list(APPEND THIRD_PARTY_LIBRARIES pugixml::static)
-endif()
-
 # ##############################################################################
 # nonstd::type-lite
 # ##############################################################################