--- old/make/lib/CoreLibraries.gmk	2015-11-22 15:16:51.791959000 -0800
+++ new/make/lib/CoreLibraries.gmk	2015-11-22 15:16:51.675959000 -0800
@@ -139,12 +139,6 @@
   endif
 endif
 
-ifeq ($(OPENJDK_TARGET_OS), linux)
-  ifeq ($(OPENJDK_TARGET_CPU), x86_64)
-    BUILD_LIBJAVA_Bits.c_CFLAGS := $(C_O_FLAG_NORM)
-  endif
-endif
-
 $(eval $(call SetupNativeCompilation,BUILD_LIBJAVA, \
     LIBRARY := java, \
     OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \