Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp	(revision 56500)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp	(revision 56501)
@@ -404,4 +404,6 @@
 #ifdef VBOX_WITH_DRAG_AND_DROP_GH
 
+    NOREF(screenID);
+
     LogFlowFuncEnter();
 
@@ -435,4 +437,6 @@
     int rc;
 #ifdef VBOX_WITH_DRAG_AND_DROP_GH
+
+    NOREF(screenID);
 
     m_fIsPending = false;
@@ -558,4 +562,5 @@
     QVariant vaData;
     int rc = retrieveDataInternal(Qt::CopyAction, strMimeType, vaType, vaData);
+    NOREF(rc);
     LogFlowFuncLeaveRC(rc);
     return vaData;