diff --git a/source/PolyVoxSceneManager.cpp b/source/PolyVoxSceneManager.cpp
index a1b31ea7..5dd48d56 100644
--- a/source/PolyVoxSceneManager.cpp
+++ b/source/PolyVoxSceneManager.cpp
@@ -1018,7 +1018,7 @@ namespace Ogre
 			{
 				noOfRemovedVertices = iterPatch->second.decimate();
 			}
-			while(noOfRemovedVertices > 0);
+			while(noOfRemovedVertices > 10); //We don't worry about the last few vertices - it's not worth the overhead of calling the function.
 		}
 
 		//LogManager::getSingleton().logMessage("Finished Generating Mesh Data");
diff --git a/source/SurfacePatch.cpp b/source/SurfacePatch.cpp
index e816626a..a29f3b8c 100644
--- a/source/SurfacePatch.cpp
+++ b/source/SurfacePatch.cpp
@@ -303,7 +303,6 @@ namespace Ogre
 			{
 				allZMatch = false;
 			}
-			//FIXME - already normalised?
 			if((*connectedIter)->getNormal().dotProduct(vertexIter->getNormal()) < 0.99)
 			{
 				return false;