diff --git a/libs/Common/FastDelegate.h b/libs/Common/FastDelegate.h
index 72206cb35..5d3428204 100644
--- a/libs/Common/FastDelegate.h
+++ b/libs/Common/FastDelegate.h
@@ -146,7 +146,7 @@ class delegate<R(A...)>
     {
         using functor_type = typename ::std::decay<T>::type;
 
-        if ((sizeof(functor_type) > store_size_) || !store_.unique())
+        if ((sizeof(functor_type) > store_size_) || store_.use_count() != 1)
         {
             store_.reset(operator new(sizeof(functor_type)), functor_deleter<functor_type>);
             store_size_ = sizeof(functor_type);
diff --git a/libs/MVS/Mesh.h b/libs/MVS/Mesh.h
index 9e54ff806..411da78cf 100644
--- a/libs/MVS/Mesh.h
+++ b/libs/MVS/Mesh.h
@@ -190,8 +190,8 @@ class MVS_API Mesh
 	void Decimate(VertexIdxArr& verticesRemove);
 	void CloseHole(VertexIdxArr& vertsLoop);
 	void CloseHoleQuality(VertexIdxArr& vertsLoop);
-	FIndex RemoveDegenerateFaces(Type thArea=1e-5f);
-	FIndex RemoveDegenerateFaces(unsigned maxIterations, Type thArea=1e-5f);
+	FIndex RemoveDegenerateFaces(Type thArea=1e-10f);
+	FIndex RemoveDegenerateFaces(unsigned maxIterations, Type thArea=1e-10f);
 	void RemoveFacesOutside(const OBB3f&);
 	void RemoveFaces(FaceIdxArr& facesRemove, bool bUpdateLists=false);
 	void RemoveVertices(VertexIdxArr& vertexRemove, bool bUpdateLists=false);