diff -up PackageKit-0.7.4/configure.ac.polkit-backend PackageKit-0.7.4/configure.ac
--- PackageKit-0.7.4/configure.ac.polkit-backend	2012-06-07 21:04:41.787300654 -0400
+++ PackageKit-0.7.4/configure.ac	2012-06-07 21:05:00.813300940 -0400
@@ -542,7 +542,6 @@ AC_SUBST(security_framework, "$with_secu
 
 if test x$with_security_framework = xpolkit; then
 	PKG_CHECK_MODULES(POLKIT, \
-			  polkit-backend-1 \
 			  polkit-gobject-1 >= $POLKIT_GOBJECT_REQUIRED)
 	AC_DEFINE(USE_SECURITY_POLKIT, 1, [if we should use PolicyKit])
 elif test x$with_security_framework = xdummy; then