diff --git a/src/OpenFOAM/db/functionObjects/regionFunctionObject/regionFunctionObject.H b/src/OpenFOAM/db/functionObjects/regionFunctionObject/regionFunctionObject.H
index df56087e8a48aea717fd9c6ceab1cc53b5ec7439..03ab44367864b5ec1fd07a307d898e17a269cf6d 100644
--- a/src/OpenFOAM/db/functionObjects/regionFunctionObject/regionFunctionObject.H
+++ b/src/OpenFOAM/db/functionObjects/regionFunctionObject/regionFunctionObject.H
@@ -176,7 +176,7 @@ public:
     // Member Functions
 
         //- Read optional controls
-        virtual bool read(const dictionary& dict) override;
+        virtual bool read(const dictionary& dict);
 };
 
 
diff --git a/src/functionObjects/field/fieldValues/surfaceFieldValue/surfaceFieldValue.H b/src/functionObjects/field/fieldValues/surfaceFieldValue/surfaceFieldValue.H
index 062d13e7c8a6a22d52c7b192aa64843729d69e7e..8a5113bc3cadc77e42619c3e5beb11adde4faaf2 100644
--- a/src/functionObjects/field/fieldValues/surfaceFieldValue/surfaceFieldValue.H
+++ b/src/functionObjects/field/fieldValues/surfaceFieldValue/surfaceFieldValue.H
@@ -324,7 +324,7 @@ protected:
     // Protected Member Functions
 
         //- The volume mesh or surface registry being used
-        const objectRegistry& obr() const override;
+        const objectRegistry& obr() const;
 
         //- Return the local list of face IDs
         inline const labelList& faceId() const;
@@ -471,10 +471,10 @@ public:
         inline fileName outputDir() const;
 
         //- Read from dictionary
-        virtual bool read(const dictionary& dict) override;
+        virtual bool read(const dictionary& dict);
 
         //- Calculate and write
-        virtual bool write() override;
+        virtual bool write();
 };
 
 
diff --git a/src/functionObjects/field/fieldValues/volFieldValue/volFieldValue.H b/src/functionObjects/field/fieldValues/volFieldValue/volFieldValue.H
index 709988f2bc9d91ce78927b026ea76c13058dc334..64f2f1d0ddb3ed2efa84cb56e64564bc05d67202 100644
--- a/src/functionObjects/field/fieldValues/volFieldValue/volFieldValue.H
+++ b/src/functionObjects/field/fieldValues/volFieldValue/volFieldValue.H
@@ -255,10 +255,10 @@ public:
     // Public Member Functions
 
         //- Read from dictionary
-        virtual bool read(const dictionary& dict) override;
+        virtual bool read(const dictionary& dict);
 
         //- Calculate and write
-        virtual bool write() override;
+        virtual bool write();
 };
 
 
diff --git a/src/sampling/surfMeshSampler/surfMeshSamplers/surfMeshSamplers.H b/src/sampling/surfMeshSampler/surfMeshSamplers/surfMeshSamplers.H
index 5befc3388f2f4633e1cf0767091d89c87b495286..3a93104d4cdd6577be01725640a80c281db620b7 100644
--- a/src/sampling/surfMeshSampler/surfMeshSamplers/surfMeshSamplers.H
+++ b/src/sampling/surfMeshSampler/surfMeshSamplers/surfMeshSamplers.H
@@ -192,19 +192,19 @@ public:
         void verbose(const bool verbosity = true);
 
         //- Read the surfMeshSamplers dictionary
-        virtual bool read(const dictionary&) override;
+        virtual bool read(const dictionary&);
 
         //- Execute, does sampling
-        virtual bool execute() override;
+        virtual bool execute();
 
         //- Write sampled values
-        virtual bool write() override;
+        virtual bool write();
 
         //- Update for changes of mesh - expires the surfaces
-        virtual void updateMesh(const mapPolyMesh&) override;
+        virtual void updateMesh(const mapPolyMesh&);
 
         //- Update for mesh point-motion - expires the surfaces
-        virtual void movePoints(const polyMesh&) override;
+        virtual void movePoints(const polyMesh&);
 
         //- Update for changes of mesh due to readUpdate - expires the surfaces
         virtual void readUpdate(const polyMesh::readUpdateState state);