diff --git a/src/OpenMesh/Apps/QtViewer/MeshViewerWidgetT_impl.hh b/src/OpenMesh/Apps/QtViewer/MeshViewerWidgetT_impl.hh
index dc10a9a7..9dda329b 100644
--- a/src/OpenMesh/Apps/QtViewer/MeshViewerWidgetT_impl.hh
+++ b/src/OpenMesh/Apps/QtViewer/MeshViewerWidgetT_impl.hh
@@ -131,7 +131,6 @@ MeshViewerWidgetT<M>::open_mesh(const char* _filename, IO::Options _opt)
     typename Mesh::ConstVertexIter vIt(mesh_.vertices_begin());
     typename Mesh::ConstVertexIter vEnd(mesh_.vertices_end());      
     
-    typedef typename Mesh::Point Point;
     using OpenMesh::Vec3f;
     
     Vec3f bbMin, bbMax;
diff --git a/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc b/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
index ae3e7077..77b7dae6 100644
--- a/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
+++ b/src/OpenMesh/Apps/VDProgMesh/mkbalancedpm/mkbalancedpm.cc
@@ -114,7 +114,7 @@ public: // inherited
     n_roots_    = calc_bits_for_roots(n_vertices_);
   }
 
-  virtual float collapse_priority(const CollapseInfo& _ci)
+  virtual float collapse_priority(const CollapseInfo& _ci) override
   {
     level_t newlevel = std::max( BaseModQ::mesh().property( level_, _ci.v0 ),
                                  BaseModQ::mesh().property( level_, _ci.v1 ) )+1;
@@ -135,7 +135,7 @@ public: // inherited
   }
 
   /// post-process halfedge collapse (accumulate quadrics)
-  void postprocess_collapse(const CollapseInfo& _ci)
+  void postprocess_collapse(const CollapseInfo& _ci) override
   {
     BaseModQ::postprocess_collapse( _ci );
 
diff --git a/src/OpenMesh/Tools/Decimater/ModAspectRatioT.hh b/src/OpenMesh/Tools/Decimater/ModAspectRatioT.hh
index 4977fa6d..0213cbbb 100644
--- a/src/OpenMesh/Tools/Decimater/ModAspectRatioT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModAspectRatioT.hh
@@ -111,16 +111,16 @@ class ModAspectRatioT: public ModBaseT<MeshT> {
     }
 
     /// precompute face aspect ratio
-    void initialize();
+    void initialize() override;
 
     /// Returns the collapse priority
-    float collapse_priority(const CollapseInfo& _ci);
+    float collapse_priority(const CollapseInfo& _ci) override;
 
     /// update aspect ratio of one-ring
-    void preprocess_collapse(const CollapseInfo& _ci);
+    void preprocess_collapse(const CollapseInfo& _ci) override;
 
     /// set percentage of aspect ratio
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 
diff --git a/src/OpenMesh/Tools/Decimater/ModEdgeLengthT.hh b/src/OpenMesh/Tools/Decimater/ModEdgeLengthT.hh
index 4b7ec155..e8e75a39 100644
--- a/src/OpenMesh/Tools/Decimater/ModEdgeLengthT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModEdgeLengthT.hh
@@ -98,10 +98,10 @@ class ModEdgeLengthT: public ModBaseT<MeshT> {
      Cont. mode:  Collapse smallest edge first, but
      don't collapse edges longer as edge_length_
      */
-    float collapse_priority(const CollapseInfo& _ci);
+    float collapse_priority(const CollapseInfo& _ci) override;
 
     /// set the percentage of edge length
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 
diff --git a/src/OpenMesh/Tools/Decimater/ModHausdorffT.hh b/src/OpenMesh/Tools/Decimater/ModHausdorffT.hh
index 736f80d6..74c76373 100644
--- a/src/OpenMesh/Tools/Decimater/ModHausdorffT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModHausdorffT.hh
@@ -108,7 +108,7 @@ class ModHausdorffT: public ModBaseT<MeshT> {
     }
 
     /// reset per-face point lists
-    virtual void initialize();
+    virtual void initialize() override;
 
     /** \brief compute Hausdorff error for one-ring
      *
@@ -120,13 +120,13 @@ class ModHausdorffT: public ModBaseT<MeshT> {
      * @return Binary return, if collapse is legal or illegal
      */
 
-    virtual float collapse_priority(const CollapseInfo& _ci);
+    virtual float collapse_priority(const CollapseInfo& _ci) override;
 
     /// re-distribute points
     virtual void postprocess_collapse(const CollapseInfo& _ci) override;
 
     /// set the percentage of tolerance
-    void set_error_tolerance_factor(double _factor);
+    void set_error_tolerance_factor(double _factor) override;
 
   private:
 
diff --git a/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh b/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
index ed693dae..9966d826 100644
--- a/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
@@ -140,7 +140,7 @@ public:
 
 
   /// Allocate and init normal cones
-  void  initialize() {
+  void  initialize() override {
     if (!normal_cones_.is_valid())
       mesh_.add_property(normal_cones_);
 
@@ -165,7 +165,7 @@ public:
    * @param _ci Collapse info data
    * @return Half of the normal cones size (radius in radians)
    */
-  float collapse_priority(const CollapseInfo& _ci) {
+  float collapse_priority(const CollapseInfo& _ci) override {
     // simulate collapse
     mesh_.set_point(_ci.v0, _ci.p1);
 
@@ -203,7 +203,7 @@ public:
   }
 
   /// set the percentage of normal deviation
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (_factor >= 0.0 && _factor <= 1.0) {
       // the smaller the factor, the smaller normal_deviation_ gets
       // thus creating a stricter constraint
diff --git a/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh b/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
index 9833e182..b2a00fd3 100644
--- a/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
@@ -122,7 +122,7 @@ public:
    *
    *  \see set_max_normal_deviation()
    */
-  float collapse_priority(const CollapseInfo& _ci)
+  float collapse_priority(const CollapseInfo& _ci) override
   {
     // simulate collapse
     Base::mesh().set_point(_ci.v0, _ci.p1);
@@ -154,7 +154,7 @@ public:
   }
 
   /// set the percentage of maximum normal deviation
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (_factor >= 0.0 && _factor <= 1.0) {
       // the smaller the factor, the smaller max_deviation_ gets
       // thus creating a stricter constraint
diff --git a/src/OpenMesh/Tools/Decimater/ModRoundnessT.hh b/src/OpenMesh/Tools/Decimater/ModRoundnessT.hh
index 5b3c1485..afd5ade4 100644
--- a/src/OpenMesh/Tools/Decimater/ModRoundnessT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModRoundnessT.hh
@@ -117,7 +117,7 @@ class ModRoundnessT : public ModBaseT<MeshT>
    * \return LEGAL_COLLAPSE or ILLEGAL_COLLAPSE in binary mode
    * \see set_min_roundness()
    */
-  float collapse_priority(const CollapseInfo& _ci)
+  float collapse_priority(const CollapseInfo& _ci) override
   {
     //     using namespace OpenMesh;
 
@@ -174,7 +174,7 @@ class ModRoundnessT : public ModBaseT<MeshT>
   }
 
   /// set the percentage of minimum roundness
-  void set_error_tolerance_factor(double _factor) {
+  void set_error_tolerance_factor(double _factor) override {
     if (this->is_binary()) {
       if (_factor >= 0.0 && _factor <= 1.0) {
         // the smaller the factor, the smaller min_r_ gets
diff --git a/src/OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh b/src/OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh
index 71926139..2c2e7679 100644
--- a/src/OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh
+++ b/src/OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh
@@ -279,7 +279,7 @@ public:
 
   explicit VV(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::VertexHandle& _vh, state_t _target_state);
+  void raise(typename M::VertexHandle& _vh, state_t _target_state) override;
   MIPS_WARN_WA(Face) // avoid warning
   MIPS_WARN_WA(Edge) // avoid warning
 };
@@ -301,7 +301,7 @@ public:
 
   explicit VVc(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::VertexHandle& _vh, state_t _target_state);
+  void raise(typename M::VertexHandle& _vh, state_t _target_state) override;
   MIPS_WARN_WA(Face) // avoid warning
   MIPS_WARN_WA(Edge) // avoid warning
 };
@@ -323,7 +323,7 @@ public:
 
   explicit VE(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -345,7 +345,7 @@ public:
 
   explicit VdE(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -367,7 +367,7 @@ public:
 
   explicit VdEc(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -389,7 +389,7 @@ public:
 
   explicit EV(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::VertexHandle& _vh, state_t _target_state);
+  void raise(typename M::VertexHandle& _vh, state_t _target_state) override;
   MIPS_WARN_WA(Face) // avoid warning
   MIPS_WARN_WA(Edge) // avoid warning
 };
@@ -448,7 +448,7 @@ public:
 
   explicit EF(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::FaceHandle& _fh, state_t _target_state);
+  void raise(typename M::FaceHandle& _fh, state_t _target_state) override;
   MIPS_WARN_WA(Edge  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -470,7 +470,7 @@ public:
 
   explicit FE(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -492,7 +492,7 @@ public:
 
   explicit EdE(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };
@@ -514,7 +514,7 @@ public:
 
   explicit EdEc(M& _mesh) : Inherited(_mesh) {}
 
-  void raise(typename M::EdgeHandle& _eh, state_t _target_state);
+  void raise(typename M::EdgeHandle& _eh, state_t _target_state) override;
   MIPS_WARN_WA(Face  ) // avoid warning
   MIPS_WARN_WA(Vertex) // avoid warning
 };