diff --git a/src/Mod/Inspection/App/InspectionFeature.cpp b/src/Mod/Inspection/App/InspectionFeature.cpp
index 6f4b53cdc..4aac4d76e 100644
--- a/src/Mod/Inspection/App/InspectionFeature.cpp
+++ b/src/Mod/Inspection/App/InspectionFeature.cpp
@@ -152,12 +152,12 @@ namespace Inspection {
         }
 
     protected:
-        void CalculateGridLength (unsigned long ulCtGrid, unsigned long ulMaxGrids)
+        void CalculateGridLength (unsigned long /*ulCtGrid*/, unsigned long /*ulMaxGrids*/)
         {
             // do nothing
         }
 
-        void CalculateGridLength (int iCtGridPerAxis)
+        void CalculateGridLength (int /*iCtGridPerAxis*/)
         {
             // do nothing
         }
@@ -384,7 +384,8 @@ float InspectNominalFastMesh::getDistance(const Base::Vector3f& point)
 
 // ----------------------------------------------------------------
 
-InspectNominalPoints::InspectNominalPoints(const Points::PointKernel& Kernel, float offset) : _rKernel(Kernel)
+InspectNominalPoints::InspectNominalPoints(const Points::PointKernel& Kernel, float /*offset*/)
+  : _rKernel(Kernel)
 {
     int uGridPerAxis = 50; // totally 125.000 grid elements 
     this->_pGrid = new Points::PointsGrid (Kernel, uGridPerAxis);
@@ -418,7 +419,7 @@ float InspectNominalPoints::getDistance(const Base::Vector3f& point)
 
 // ----------------------------------------------------------------
 
-InspectNominalShape::InspectNominalShape(const TopoDS_Shape& shape, float radius) : _rShape(shape)
+InspectNominalShape::InspectNominalShape(const TopoDS_Shape& shape, float /*radius*/) : _rShape(shape)
 {
     distss = new BRepExtrema_DistShapeShape();
     distss->LoadS1(_rShape);
diff --git a/src/Mod/Inspection/Gui/Command.cpp b/src/Mod/Inspection/Gui/Command.cpp
index dc6c09e30..de8b4d9fb 100644
--- a/src/Mod/Inspection/Gui/Command.cpp
+++ b/src/Mod/Inspection/Gui/Command.cpp
@@ -53,7 +53,7 @@ CmdVisualInspection::CmdVisualInspection()
     sWhatsThis    = "Inspection_VisualInspection";
 }
 
-void CmdVisualInspection::activated(int iMsg)
+void CmdVisualInspection::activated(int)
 {
     InspectionGui::VisualInspection dlg(Gui::getMainWindow());
     dlg.exec();
@@ -80,7 +80,7 @@ CmdInspectElement::CmdInspectElement()
     sPixmap       = "inspect_pipette";
 }
 
-void CmdInspectElement::activated(int iMsg)
+void CmdInspectElement::activated(int)
 {
     Gui::Document* doc = Gui::Application::Instance->activeDocument();
     Gui::View3DInventor* view = static_cast<Gui::View3DInventor*>(doc->getActiveView());
diff --git a/src/Mod/Inspection/Gui/ViewProviderInspection.cpp b/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
index 8d2d3e46c..df0e5b10c 100644
--- a/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
+++ b/src/Mod/Inspection/Gui/ViewProviderInspection.cpp
@@ -363,7 +363,7 @@ std::vector<std::string> ViewProviderInspection::getDisplayModes(void) const
     return StrList;
 }
 
-void ViewProviderInspection::OnChange(Base::Subject<int> &rCaller,int rcReason)
+void ViewProviderInspection::OnChange(Base::Subject<int> &/*rCaller*/, int /*rcReason*/)
 {
     setActiveMode();
 }
@@ -452,7 +452,7 @@ void ViewProviderInspection::inspectCallback(void * ud, SoEventCallback * n)
                 view->getWidget()->setCursor(QCursor(Qt::ArrowCursor));
                 view->setRedirectToSceneGraph(false);
                 view->setRedirectToSceneGraphEnabled(false);
-                view->removeEventCallback(SoButtonEvent::getClassTypeId(), inspectCallback);
+                view->removeEventCallback(SoButtonEvent::getClassTypeId(), inspectCallback, ud);
             }
         }
         else if (mbe->getButton() == SoMouseButtonEvent::BUTTON1 && mbe->getState() == SoButtonEvent::UP) {
diff --git a/src/Mod/Mesh/App/Mesh.cpp b/src/Mod/Mesh/App/Mesh.cpp
index b8ffdd755..7e33a8020 100644
--- a/src/Mod/Mesh/App/Mesh.cpp
+++ b/src/Mod/Mesh/App/Mesh.cpp
@@ -255,7 +255,7 @@ MeshPoint MeshObject::getPoint(unsigned long index) const
 
 void MeshObject::getPoints(std::vector<Base::Vector3d> &Points,
                            std::vector<Base::Vector3d> &Normals,
-                           float Accuracy, uint16_t flags) const
+                           float /*Accuracy*/, uint16_t /*flags*/) const
 {
     Base::Matrix4D mat = _Mtrx;