--- a/jdk/make/lib/SoundLibraries.gmk	Wed Jul 05 20:32:48 2017 +0200
+++ b/jdk/make/lib/SoundLibraries.gmk	Fri May 08 09:42:36 2015 +0200
@@ -111,10 +111,6 @@
   LIBJSOUND_SRC_FILES += $(LIBJSOUND_DAUDIOFILES)
 endif # OPENJDK_TARGET_OS solaris
 
-
-  ifeq ($(OPENJDK_TARGET_CPU), aarch64)
-       LIBJSOUND_CFLAGS += -DX_ARCH=X_AARCH64
-  endif
 LIBJSOUND_CFLAGS += -DEXTRA_SOUND_JNI_LIBS='"$(EXTRA_SOUND_JNI_LIBS)"'
 
 $(eval $(call SetupNativeCompilation,BUILD_LIBJSOUND, \