Index: /trunk/src/VBox/Installer/darwin/VirtualBox/postflight
===================================================================
--- /trunk/src/VBox/Installer/darwin/VirtualBox/postflight	(revision 54684)
+++ /trunk/src/VBox/Installer/darwin/VirtualBox/postflight	(revision 54685)
@@ -35,4 +35,5 @@
     		export VBOX_INSTALL_PATH
     		/bin/sh -c "cd $VBOX_INSTALL_PATH/sdk/installer && ${p} vboxapisetup.py install"
+    		/bin/sh -c "cd $VBOX_INSTALL_PATH/sdk/installer && ${p} vboxapisetup.py clean --all"
     	fi
     done