--- a/make/common/NON_CORE_PKGS.gmk	Tue Mar 08 15:51:49 2016 +0100
+++ b/make/common/NON_CORE_PKGS.gmk	Tue Mar 08 11:36:30 2016 -0800
@@ -98,8 +98,7 @@
 SCTPAPI_PKGS = com.sun.nio.sctp
 
 ifeq ($(PLATFORM), macosx)
-  APPLE_EXT_PKGS = com.apple.concurrent \
-      com.apple.eawt \
+  APPLE_EXT_PKGS = com.apple.eawt \
       com.apple.eawt.event \
       com.apple.eio
 endif