diff --git a/src/gvcore/imageloader.cpp b/src/gvcore/imageloader.cpp
index 8b2c546..bb5d68c 100644
--- a/src/gvcore/imageloader.cpp
+++ b/src/gvcore/imageloader.cpp
@@ -883,7 +883,7 @@ void ImageLoader::release( const TQObject* owner ) {
 }
 
 void ImageLoader::ownerDestroyed() {
-	deref( TQT_TQOBJECT(const_cast<TQT_BASE_OBJECT_NAME*>(sender())));
+	deref( sender() );
 }
 
 //---------------------------------------------------------------------
diff --git a/src/gvcore/imageviewcontroller.cpp b/src/gvcore/imageviewcontroller.cpp
index f97c847..008b3d4 100644
--- a/src/gvcore/imageviewcontroller.cpp
+++ b/src/gvcore/imageviewcontroller.cpp
@@ -425,7 +425,7 @@ bool ImageViewController::eventFilter(TQObject* object, TQEvent* event) {
 	bool isAChildOfStack=false;
 	TQObject* parentObject;
 	for (parentObject=object->parent(); parentObject; parentObject=parentObject->parent()) {
-		if (TQT_BASE_OBJECT(parentObject)==TQT_BASE_OBJECT(d->mStack)) {
+		if (parentObject==d->mStack) {
 			isAChildOfStack=true;
 			break;
 		}