Index: /trunk/src/VBox/Main/src-client/GuestSessionImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/GuestSessionImpl.cpp	(revision 78038)
+++ /trunk/src/VBox/Main/src-client/GuestSessionImpl.cpp	(revision 78039)
@@ -3494,6 +3494,4 @@
                                                ComPtr<IProgress> &aProgress)
 {
-    RT_NOREF(aFlags);
-
     AutoCaller autoCaller(this);
     if (FAILED(autoCaller.rc())) return autoCaller.rc();
@@ -3509,4 +3507,7 @@
             switch (aFlags[i])
             {
+                case DirectoryRemoveRecFlag_None: /* Skip. */
+                    continue;
+
                 case DirectoryRemoveRecFlag_ContentAndDir:
                     fFlags = DIRREMOVEREC_FLAG_RECURSIVE | DIRREMOVEREC_FLAG_CONTENT_AND_DIR;