diff --git a/vcg/space/deprecated_point.h b/vcg/space/deprecated_point.h
index c973fa81..9c4dde92 100644
--- a/vcg/space/deprecated_point.h
+++ b/vcg/space/deprecated_point.h
@@ -164,14 +164,14 @@ public:
 	}
   inline const S &X() const { return _v[0]; }
     inline const S &Y() const { return _v[1]; }
-    inline const S &Z() const { static_assert(N>2); return _v[2]; }
+    inline const S &Z() const { static_assert(N>2, "wrong point dimension"); return _v[2]; }
      /// W is in any case the last coordinate.
      /// (in a 2D point, W() == Y(). In a 3D point, W()==Z()
      ///  in a 4D point, W() is a separate component)
     inline const S &W() const { return _v[N-1]; }
     inline S &X() { return _v[0]; }
     inline S &Y() { return _v[1]; }
-    inline S &Z() { static_assert(N>2); return _v[2]; }
+    inline S &Z() { static_assert(N>2, "wrong point dimension"); return _v[2]; }
     inline S &W() { return _v[N-1]; }
     inline const S * V() const
     {
@@ -359,7 +359,7 @@ public:
     (provided for uniformity with other spatial classes. trivial for points)
    **/
 
-	inline PointType LocalToGlobal(ParamType p) const{
+	inline PointType LocalToGlobal(ParamType /*p*/) const{
 		return *this; }
 
   inline ParamType GlobalToLocal(PointType /*p*/) const{
@@ -798,7 +798,7 @@ public:
 		PointType n = Norm(); if(n!=0.0) { n=1.0/n;	_v[0]*=n;	_v[1]*=n;	_v[2]*=n; _v[3]*=n; }
 		return *this;};
 
-	template <class PT>  PointType & Normalize(const PT &p){
+	template <class PT>  PointType & Normalize(const PT &/*p*/){
 		PointType n = Norm(); if(n!=0.0) { n=1.0/n;	V(0)*=n;	V(1)*=n;	V(2)*=n; V(3)*=n; }
 		return *this;};
 
diff --git a/wrap/nanoply/include/nanoply.hpp b/wrap/nanoply/include/nanoply.hpp
index 2205bf2a..10415db5 100644
--- a/wrap/nanoply/include/nanoply.hpp
+++ b/wrap/nanoply/include/nanoply.hpp
@@ -2728,12 +2728,16 @@ namespace nanoply
   }
 
   template < typename TupleType, size_t ActionType>
-  inline bool TupleForEach(TupleType &tuple, PlyElement &elem, PlyFile& file, bool fixEndian, SizeT<0> t, SizeT<ActionType> a) { return false; }
+  inline bool TupleForEach(TupleType &tuple, PlyElement &elem, PlyFile& file, bool fixEndian, SizeT<0> t, SizeT<ActionType> a)
+  {
+    (void)tuple; (void)elem; (void)file; (void)fixEndian; (void)t; (void)a;
+    return false;
+  }
 
   template < typename TupleType, size_t N, size_t ActionType>
   inline bool TupleForEach(TupleType &tuple, PlyElement &elem, PlyFile& file, bool fixEndian, SizeT<N> t, SizeT<ActionType> a)
   {
-	  (void)t;
+    (void)t;
     typename std::tuple_element<N - 1, TupleType>::type &elemDescr = std::get<N - 1>(tuple);
     if ((elemDescr.elem != PlyElemEntity::NNP_UNKNOWN_ELEM && elemDescr.elem == elem.plyElem) ||
       (elemDescr.elem == PlyElemEntity::NNP_UNKNOWN_ELEM && elemDescr.name == elem.name))
diff --git a/wrap/nanoply/include/nanoplyWrapper.hpp b/wrap/nanoply/include/nanoplyWrapper.hpp
index ebef9398..abab3417 100644
--- a/wrap/nanoply/include/nanoplyWrapper.hpp
+++ b/wrap/nanoply/include/nanoplyWrapper.hpp
@@ -553,7 +553,7 @@ namespace nanoply
             else
               tempProp[i] = p;
           }
-          unsigned int r = (bitType & (~tempProp[0].type));
+          unsigned int r = (bitType & (~tempProp[0].type)); (void)r;
           if (tempProp.size() > 1  && ((bitType & (~tempProp[0].type)) == 0))
           {
             if (tempProp.size() == 2)
@@ -670,6 +670,7 @@ namespace nanoply
 
       template <bool f = std::is_same<typename T::VertContainer, vcg::vertex::vector_ocf<VType>>::value>
       static unsigned int EnableVertexOcf(typename T::VertContainer& cont, unsigned int mask) {
+        (void)cont; (void)mask;
         return 0;
       }
 
@@ -718,6 +719,7 @@ namespace nanoply
 
       template <bool f = std::is_same<typename T::FaceContainer, vcg::face::vector_ocf<FType>>::value>
       static unsigned int EnableFaceOcf(typename T::FaceContainer& cont, unsigned int mask) {
+        (void)cont; (void)mask;
         return 0;
       }
 
@@ -773,6 +775,7 @@ namespace nanoply
 
       template <bool f = std::is_same<typename T::VertContainer, vcg::vertex::vector_ocf<VType>>::value>
       static unsigned int VertexOcfMask(typename T::VertContainer& cont) {
+        (void)cont;
         return 0;
       }
 
@@ -800,6 +803,7 @@ namespace nanoply
 
       template <bool f = std::is_same<typename T::FaceContainer, vcg::face::vector_ocf<FType>>::value>
       static unsigned int FaceOcfMask(typename T::FaceContainer& cont) {
+        (void)cont;
         return 0;
       }
 
@@ -1590,7 +1594,7 @@ namespace nanoply
             if (!userDescr)
               custom.CreateFaceAttribDescriptor(&(*ai));
           }
-          for (int i = 0; i < custom.faceAttrib.size(); i++)
+          for (size_t i = 0; i < custom.faceAttrib.size(); i++)
           {
             faceProp.push_back(custom.faceAttribProp[i]);
             faceDescr.dataDescriptor.push_back(custom.faceAttrib[i]);