diff --git a/src/Base/ConsoleObserver.h b/src/Base/ConsoleObserver.h
index 56864d9b33..9c64565ac9 100644
--- a/src/Base/ConsoleObserver.h
+++ b/src/Base/ConsoleObserver.h
@@ -43,7 +43,7 @@ public:
     ~ConsoleObserverFile() override;
 
     void SendLog(const std::string& message, LogStyle level) override;
-    const char* Name(void) override {return "File";}
+    const char* Name() override {return "File";}
 
 protected:
     Base::ofstream cFileStream;
@@ -58,7 +58,7 @@ public:
     ConsoleObserverStd();
     ~ConsoleObserverStd() override;
     void SendLog(const std::string& message, LogStyle level) override;
-    const char* Name(void) override {return "Console";}
+    const char* Name() override {return "Console";}
 protected:
     bool useColorStderr;
 private:
diff --git a/src/Base/GeometryPyCXX.cpp b/src/Base/GeometryPyCXX.cpp
index 4e6c290519..0d661489ec 100644
--- a/src/Base/GeometryPyCXX.cpp
+++ b/src/Base/GeometryPyCXX.cpp
@@ -392,7 +392,7 @@ Py::Object Vector2dPy::projectToLine(const Py::Tuple& args)
 }
 PYCXX_VARARGS_METHOD_DECL(Vector2dPy, projectToLine)
 
-void Vector2dPy::init_type(void)
+void Vector2dPy::init_type()
 {
     behaviors().name( "Vector2d" );
     behaviors().doc( "Vector2d class" );
diff --git a/src/Base/Interpreter.h b/src/Base/Interpreter.h
index a4db52107d..89a324d978 100644
--- a/src/Base/Interpreter.h
+++ b/src/Base/Interpreter.h
@@ -105,7 +105,7 @@ public:
     ///  this function returns the stack trace
     const std::string &getStackTrace() const {return _stackTrace;}
     const std::string &getErrorType() const {return _errorType;}
-    virtual PyObject *getPyExceptionType(void) const override {return _exceptionType;}
+    virtual PyObject *getPyExceptionType() const override {return _exceptionType;}
     void ReportException () const override;
     /// Sets the Python error indicator and an error message
     virtual void setPyException() const override;
diff --git a/src/Base/Parameter.cpp b/src/Base/Parameter.cpp
index 49eb5b9847..1b13af39fe 100644
--- a/src/Base/Parameter.cpp
+++ b/src/Base/Parameter.cpp
@@ -365,7 +365,7 @@ Base::Reference<ParameterGrp> ParameterGrp::_GetGroup(const char* Name)
     return rParamGrp;
 }
 
-std::vector<Base::Reference<ParameterGrp> > ParameterGrp::GetGroups(void)
+std::vector<Base::Reference<ParameterGrp> > ParameterGrp::GetGroups()
 {
     Base::Reference<ParameterGrp> rParamGrp;
     std::vector<Base::Reference<ParameterGrp> >  vrParamGrp;
@@ -905,7 +905,7 @@ bool ParameterGrp::RenameGrp(const char* OldName, const char* NewName)
     return true;
 }
 
-void ParameterGrp::Clear(void)
+void ParameterGrp::Clear()
 {
     std::vector<DOMNode*> vecNodes;
 
diff --git a/src/Base/RotationPyImp.cpp b/src/Base/RotationPyImp.cpp
index 5764035beb..32b200fe1e 100644
--- a/src/Base/RotationPyImp.cpp
+++ b/src/Base/RotationPyImp.cpp
@@ -420,7 +420,7 @@ Py::Object RotationPy::getRawAxis() const
     return Py::Vector(axis);
 }
 
-Py::Object RotationPy::getAxis(void) const
+Py::Object RotationPy::getAxis() const
 {
     Base::Vector3d axis; double angle;
     this->getRotationPtr()->getValue(axis, angle);
diff --git a/src/Base/Tools2D.h b/src/Base/Tools2D.h
index bf937f8632..3f49500228 100644
--- a/src/Base/Tools2D.h
+++ b/src/Base/Tools2D.h
@@ -60,10 +60,10 @@ public:
   // operators
   inline Vector2d& operator=  (const Vector2d &v);
   inline bool      operator== (const Vector2d &v) const;
-  inline Vector2d  operator+  (void) const;
+  inline Vector2d  operator+  () const;
   inline Vector2d  operator+  (const Vector2d &v) const;
   inline Vector2d& operator+= (const Vector2d &v);
-  inline Vector2d  operator-  (void) const;
+  inline Vector2d  operator-  () const;
   inline Vector2d  operator-  (const Vector2d &v) const;
   inline Vector2d& operator-= (const Vector2d &v);
   inline Vector2d  operator*  (double c) const;
diff --git a/src/Base/TypePyImp.cpp b/src/Base/TypePyImp.cpp
index 8d335392c4..2134d077a8 100644
--- a/src/Base/TypePyImp.cpp
+++ b/src/Base/TypePyImp.cpp
@@ -32,7 +32,7 @@
 using namespace Base;
 
 // returns a string which represent the object e.g. when printed in python
-std::string TypePy::representation(void) const
+std::string TypePy::representation() const
 {
     std::stringstream str;
     str << "<class '" << getBaseTypePtr()->getName() << "'>";
@@ -243,17 +243,17 @@ PyObject* TypePy::createInstanceByName (PyObject *args)
     return createPyObject(base);
 }
 
-Py::String TypePy::getName(void) const
+Py::String TypePy::getName() const
 {
     return Py::String(std::string(getBaseTypePtr()->getName()));
 }
 
-Py::Long TypePy::getKey(void) const
+Py::Long TypePy::getKey() const
 {
     return Py::Long(static_cast<long>(getBaseTypePtr()->getKey()));
 }
 
-Py::String TypePy::getModule(void) const
+Py::String TypePy::getModule() const
 {
     std::string module(getBaseTypePtr()->getName());
     std::string::size_type pos = module.find_first_of("::");