diff --git a/hw/xquartz/pbproxy/Makefile.am b/hw/xquartz/pbproxy/Makefile.am
index 1b14dffce..9429ea25d 100644
--- a/hw/xquartz/pbproxy/Makefile.am
+++ b/hw/xquartz/pbproxy/Makefile.am
@@ -1,7 +1,6 @@
-AM_CPPFLAGS=-F/System/Library/Frameworks/ApplicationServices.framework/Frameworks \
-	-DBUNDLE_ID_PREFIX=\"$(BUNDLE_ID_PREFIX)\"
+AM_CPPFLAGS=-DBUNDLE_ID_PREFIX=\"$(BUNDLE_ID_PREFIX)\"
 
-AM_CFLAGS=$(XPBPROXY_CFLAGS) 
+AM_CFLAGS=$(XPBPROXY_CFLAGS)
 AM_OBJCFLAGS=$(XPBPROXY_CFLAGS)
 
 noinst_LTLIBRARIES = libxpbproxy.la