diff --git a/buildjdk.sh b/buildjdk.sh
index 39dfd8b..ea8a0d2 100755
--- a/buildjdk.sh
+++ b/buildjdk.sh
@@ -51,7 +51,7 @@ else
     --with-freetype=bundled \
     "
   AUTOCONF_x11arg="--with-x=/opt/X11/include/X11 --prefix=/usr/lib"
-  sameflags="-arch arm64 -DHEADLESS=1 -I$PWD/ios-missing-include -Wno-implicit-function-declaration -DTARGET_OS_OSX -DR18_RESERVED=1"
+  sameflags="-arch arm64 -DHEADLESS=1 -I$PWD/ios-missing-include -Wno-implicit-function-declaration -DTARGET_OS_OSX"
   export CFLAGS+=" $sameflags"
   export LDFLAGS+="-arch arm64"
   export BUILD_SYSROOT_CFLAGS="-isysroot ${themacsysroot}"