diff --git a/apps/opencs/view/render/pagedworldspacewidget.cpp b/apps/opencs/view/render/pagedworldspacewidget.cpp
index 2755d9db19..6bd81d2f98 100644
--- a/apps/opencs/view/render/pagedworldspacewidget.cpp
+++ b/apps/opencs/view/render/pagedworldspacewidget.cpp
@@ -186,7 +186,7 @@ void CSVRender::PagedWorldspaceWidget::updateOverlay()
         if(getCamera()->getViewport())
         {
             if((uint32_t)getCamera()->getViewport()->getVisibilityMask()
-                                    & (uint32_t)CSVRender::Elements::Element_CellMarker)
+                                    & (uint32_t)CSVRender::Element_CellMarker)
             {
                 mDisplayCellCoord = true;
                 overlay->show();
diff --git a/apps/opencs/view/render/scenewidget.cpp b/apps/opencs/view/render/scenewidget.cpp
index b37bdf2baa..431d94b7e9 100644
--- a/apps/opencs/view/render/scenewidget.cpp
+++ b/apps/opencs/view/render/scenewidget.cpp
@@ -297,20 +297,6 @@ namespace CSVRender
 
                 break;
 
-            //FIXME: for testing only
-            case Qt::Key_N:
-                setVisibilityMask((uint32_t)mViewport->getVisibilityMask()
-                        & ~(uint32_t)CSVRender::Element_CellMarker);
-                updateOverlay();
-                break;
-
-            //FIXME: for testing only
-            case Qt::Key_M:
-                setVisibilityMask((uint32_t)mViewport->getVisibilityMask()
-                        | (uint32_t)CSVRender::Element_CellMarker);
-                updateOverlay();
-                break;
-
             default: QWidget::keyReleaseEvent (event);
         }
     }