diff --git a/src/OpenMesh/Tools/Decimater/ModIndependentSetsT.hh b/src/OpenMesh/Tools/Decimater/ModIndependentSetsT.hh
index fbeb0266..d3407bf6 100644
--- a/src/OpenMesh/Tools/Decimater/ModIndependentSetsT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModIndependentSetsT.hh
@@ -86,10 +86,6 @@ class ModIndependentSetsT: public ModBaseT<MeshT> {
         Base::mesh().status(*vv_it).set_locked(true);
     }
 
-  private:
-
-    /// hide this method
-    void set_binary(bool _b) { }
 };
 
 //=============================================================================
diff --git a/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh b/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
index f40be046..c6c0142b 100644
--- a/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModNormalDeviationT.hh
@@ -104,7 +104,7 @@ public:
 public:
 
   /// Constructor
-  ModNormalDeviationT(MeshT& _mesh, float _max_dev = 180.0)
+  explicit ModNormalDeviationT(MeshT& _mesh, float _max_dev = 180.0)
   : Base(_mesh, true), mesh_(Base::mesh())
   {
     set_normal_deviation(_max_dev);
diff --git a/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh b/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
index 47bb7549..7a1610f8 100644
--- a/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModNormalFlippingT.hh
@@ -181,11 +181,6 @@ public:
     min_cos_       = cos(max_deviation_);
   }
 
-private:
-
-  // hide this method
-  void set_binary(bool _b) {}
-
 private:
 
   // maximum normal deviation
diff --git a/src/OpenMesh/Tools/Decimater/ModProgMeshT.hh b/src/OpenMesh/Tools/Decimater/ModProgMeshT.hh
index a8a10840..0906804f 100644
--- a/src/OpenMesh/Tools/Decimater/ModProgMeshT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModProgMeshT.hh
@@ -171,9 +171,6 @@ public: // specific methods
 
 private:
 
-  // hide this method form user
-  void set_binary(bool _b) {}
-
   InfoList          pmi_;
   VPropHandleT<size_t> idx_;
 };