diff --git a/vcg/complex/trimesh/allocate.h b/vcg/complex/trimesh/allocate.h
index 94197583..a5382d13 100644
--- a/vcg/complex/trimesh/allocate.h
+++ b/vcg/complex/trimesh/allocate.h
@@ -986,14 +986,13 @@ public:
 	
 	template <class ATTR_TYPE>
 	static 
-		void FixPaddedPerMeshAttribute ( MeshType & m,PointerToAttribute & pa){
+    void FixPaddedPerMeshAttribute ( MeshType & /*m*/,PointerToAttribute & pa){
 
 			// create the container of the right type
 			Attribute<ATTR_TYPE> * _handle =  new Attribute<ATTR_TYPE>();
 
 			// copy the padded container in the new one
-			ATTR_TYPE * dest = _handle->attribute;
-			char * ptr = (char*)( ((Attribute<ATTR_TYPE> *)pa._handle)->DataBegin());
+      char * ptr = (char*)( ((Attribute<ATTR_TYPE> *)pa._handle)->DataBegin());
 			memcpy((void*)_handle->attribute ,(void*) &(ptr[0]) ,sizeof(ATTR_TYPE));
 
 			// remove the padded container 
diff --git a/vcg/math/lin_algebra.h b/vcg/math/lin_algebra.h
index 346199b5..732852fb 100644
--- a/vcg/math/lin_algebra.h
+++ b/vcg/math/lin_algebra.h
@@ -562,7 +562,8 @@ namespace vcg
 					}
 					break;
 				}
-			}
+      case LeaveUnsorted: // nothing to do.
+      }
 			if (k != i)
 			{
 				W[k] = W[i];  // i.e.