diff --git a/src/Unittests/unittests_mc_decimater.cc b/src/Unittests/unittests_mc_decimater.cc
index 38b4808b..7df7a599 100644
--- a/src/Unittests/unittests_mc_decimater.cc
+++ b/src/Unittests/unittests_mc_decimater.cc
@@ -43,7 +43,6 @@ TEST_F(OpenMeshMultipleChoiceDecimater, DecimateMesh) {
 
   typedef OpenMesh::Decimater::McDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;
@@ -67,7 +66,6 @@ TEST_F(OpenMeshMultipleChoiceDecimater, DecimateMeshToFaceVerticesLimit) {
 
   typedef OpenMesh::Decimater::McDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;
@@ -91,7 +89,6 @@ TEST_F(OpenMeshMultipleChoiceDecimater, DecimateMeshToFaceFaceLimit) {
 
   typedef OpenMesh::Decimater::McDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;
diff --git a/src/Unittests/unittests_mixed_decimater.cc b/src/Unittests/unittests_mixed_decimater.cc
index 15dc7d45..62422bb2 100644
--- a/src/Unittests/unittests_mixed_decimater.cc
+++ b/src/Unittests/unittests_mixed_decimater.cc
@@ -43,7 +43,6 @@ TEST_F(OpenMeshMixedDecimater, DecimateMesh80PercentMc) {
 
   typedef OpenMesh::Decimater::MixedDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;
@@ -67,7 +66,6 @@ TEST_F(OpenMeshMixedDecimater, DecimateMeshToFaceVerticesLimit) {
 
   typedef OpenMesh::Decimater::MixedDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;
@@ -91,7 +89,6 @@ TEST_F(OpenMeshMixedDecimater, DecimateMeshToFaceFaceLimit) {
 
   typedef OpenMesh::Decimater::MixedDecimaterT< Mesh >  Decimater;
   typedef OpenMesh::Decimater::ModQuadricT< Mesh >::Handle HModQuadric;
-  typedef OpenMesh::Decimater::ModNormalFlippingT< Mesh >::Handle HModNormal;
 
   Decimater decimaterDBG(mesh_);
   HModQuadric hModQuadricDBG;