Index: PKGBUILD
===================================================================
--- PKGBUILD	(revision 159678)
+++ PKGBUILD	(working copy)
@@ -23,6 +23,8 @@
   cd "${pkgname}"
   # fix default background url
   sed -i "s#^picture-uri.*#picture-uri='file:///usr/share/backgrounds/deepin_default_background.jpg'#" overrides/com.deepin.wrap.gnome.desktop.override
+  # don't override GNOME defaults
+  rm overrides/{org.compiz,org.gnome.desktop,other}.override
 }
 
 build() {