diff --git a/SOURCES/remove-intree-libraries.sh b/SOURCES/remove-intree-libraries.sh
new file mode 100644
index 0000000..ee02f60
--- /dev/null
+++ b/SOURCES/remove-intree-libraries.sh
@@ -0,0 +1,166 @@
+#!/bin/sh
+
+# Arguments: <JDK TREE> <MINIMAL|FULL>
+TREE=${1}
+TYPE=${2}
+
+ZIP_SRC=src/java.base/share/native/libzip/zlib/
+FREETYPE_SRC=src/java.desktop/share/native/libfreetype/
+JPEG_SRC=src/java.desktop/share/native/libjavajpeg/
+GIF_SRC=src/java.desktop/share/native/libsplashscreen/giflib/
+PNG_SRC=src/java.desktop/share/native/libsplashscreen/libpng/
+LCMS_SRC=src/java.desktop/share/native/liblcms/
+
+if test "x${TREE}" = "x"; then
+    echo "$0 <JDK_TREE> (MINIMAL|FULL)";
+    exit 1;
+fi
+
+if test "x${TYPE}" = "x"; then
+    TYPE=minimal;
+fi
+
+if test "x${TYPE}" != "xminimal" -a "x${TYPE}" != "xfull"; then
+    echo "Type must be minimal or full";
+    exit 2;
+fi
+
+echo "Removing in-tree libraries from ${TREE}"
+echo "Cleansing operation: ${TYPE}";
+
+cd ${TREE}
+
+echo "Removing built-in libs (they will be linked)"
+
+# On full runs, allow for zlib & freetype having already been deleted by minimal
+echo "Removing zlib"
+if [ "x${TYPE}" = "xminimal" -a ! -d ${ZIP_SRC} ]; then
+	echo "${ZIP_SRC} does not exist. Refusing to proceed."
+	exit 1
+fi	
+rm -rvf ${ZIP_SRC}
+echo "Removing freetype"
+if [ "x${TYPE}" = "xminimal" -a ! -d ${FREETYPE_SRC} ]; then
+	echo "${FREETYPE_SRC} does not exist. Refusing to proceed."
+	exit 1
+fi
+rm -rvf ${FREETYPE_SRC}
+
+# Minimal is limited to just zlib and freetype so finish here
+if test "x${TYPE}" = "xminimal"; then
+    echo "Finished.";
+    exit 0;
+fi
+
+echo "Removing libjpeg"
+if [ ! -f ${JPEG_SRC}/jdhuff.c ]; then # some file that should definitely exist
+	echo "${JPEG_SRC} does not contain jpeg sources. Refusing to proceed."
+	exit 1
+fi	
+
+rm -vf ${JPEG_SRC}/jcomapi.c
+rm -vf ${JPEG_SRC}/jdapimin.c
+rm -vf ${JPEG_SRC}/jdapistd.c
+rm -vf ${JPEG_SRC}/jdcoefct.c
+rm -vf ${JPEG_SRC}/jdcolor.c
+rm -vf ${JPEG_SRC}/jdct.h
+rm -vf ${JPEG_SRC}/jddctmgr.c
+rm -vf ${JPEG_SRC}/jdhuff.c
+rm -vf ${JPEG_SRC}/jdhuff.h
+rm -vf ${JPEG_SRC}/jdinput.c
+rm -vf ${JPEG_SRC}/jdmainct.c
+rm -vf ${JPEG_SRC}/jdmarker.c
+rm -vf ${JPEG_SRC}/jdmaster.c
+rm -vf ${JPEG_SRC}/jdmerge.c
+rm -vf ${JPEG_SRC}/jdphuff.c
+rm -vf ${JPEG_SRC}/jdpostct.c
+rm -vf ${JPEG_SRC}/jdsample.c
+rm -vf ${JPEG_SRC}/jerror.c
+rm -vf ${JPEG_SRC}/jerror.h
+rm -vf ${JPEG_SRC}/jidctflt.c
+rm -vf ${JPEG_SRC}/jidctfst.c
+rm -vf ${JPEG_SRC}/jidctint.c
+rm -vf ${JPEG_SRC}/jidctred.c
+rm -vf ${JPEG_SRC}/jinclude.h
+rm -vf ${JPEG_SRC}/jmemmgr.c
+rm -vf ${JPEG_SRC}/jmemsys.h
+rm -vf ${JPEG_SRC}/jmemnobs.c
+rm -vf ${JPEG_SRC}/jmorecfg.h
+rm -vf ${JPEG_SRC}/jpegint.h
+rm -vf ${JPEG_SRC}/jpeglib.h
+rm -vf ${JPEG_SRC}/jquant1.c
+rm -vf ${JPEG_SRC}/jquant2.c
+rm -vf ${JPEG_SRC}/jutils.c
+rm -vf ${JPEG_SRC}/jcapimin.c
+rm -vf ${JPEG_SRC}/jcapistd.c
+rm -vf ${JPEG_SRC}/jccoefct.c
+rm -vf ${JPEG_SRC}/jccolor.c
+rm -vf ${JPEG_SRC}/jcdctmgr.c
+rm -vf ${JPEG_SRC}/jchuff.c
+rm -vf ${JPEG_SRC}/jchuff.h
+rm -vf ${JPEG_SRC}/jcinit.c
+rm -vf ${JPEG_SRC}/jconfig.h
+rm -vf ${JPEG_SRC}/jcmainct.c
+rm -vf ${JPEG_SRC}/jcmarker.c
+rm -vf ${JPEG_SRC}/jcmaster.c
+rm -vf ${JPEG_SRC}/jcparam.c
+rm -vf ${JPEG_SRC}/jcphuff.c
+rm -vf ${JPEG_SRC}/jcprepct.c
+rm -vf ${JPEG_SRC}/jcsample.c
+rm -vf ${JPEG_SRC}/jctrans.c
+rm -vf ${JPEG_SRC}/jdtrans.c
+rm -vf ${JPEG_SRC}/jfdctflt.c
+rm -vf ${JPEG_SRC}/jfdctfst.c
+rm -vf ${JPEG_SRC}/jfdctint.c
+rm -vf ${JPEG_SRC}/jversion.h
+rm -vf ${JPEG_SRC}/README
+
+echo "Removing giflib"
+if [ ! -d ${GIF_SRC} ]; then
+	echo "${GIF_SRC} does not exist. Refusing to proceed."
+	exit 1
+fi	
+rm -rvf ${GIF_SRC}
+
+echo "Removing libpng"
+if [ ! -d ${PNG_SRC} ]; then
+	echo "${PNG_SRC} does not exist. Refusing to proceed."
+	exit 1
+fi	
+rm -rvf ${PNG_SRC}
+
+echo "Removing lcms"
+if [ ! -d ${LCMS_SRC} ]; then
+	echo "${LCMS_SRC} does not exist. Refusing to proceed."
+	exit 1
+fi
+rm -vf ${LCMS_SRC}/cmscam02.c
+rm -vf ${LCMS_SRC}/cmscgats.c
+rm -vf ${LCMS_SRC}/cmscnvrt.c
+rm -vf ${LCMS_SRC}/cmserr.c
+rm -vf ${LCMS_SRC}/cmsgamma.c
+rm -vf ${LCMS_SRC}/cmsgmt.c
+rm -vf ${LCMS_SRC}/cmshalf.c
+rm -vf ${LCMS_SRC}/cmsintrp.c
+rm -vf ${LCMS_SRC}/cmsio0.c
+rm -vf ${LCMS_SRC}/cmsio1.c
+rm -vf ${LCMS_SRC}/cmslut.c
+rm -vf ${LCMS_SRC}/cmsmd5.c
+rm -vf ${LCMS_SRC}/cmsmtrx.c
+rm -vf ${LCMS_SRC}/cmsnamed.c
+rm -vf ${LCMS_SRC}/cmsopt.c
+rm -vf ${LCMS_SRC}/cmspack.c
+rm -vf ${LCMS_SRC}/cmspcs.c
+rm -vf ${LCMS_SRC}/cmsplugin.c
+rm -vf ${LCMS_SRC}/cmsps2.c
+rm -vf ${LCMS_SRC}/cmssamp.c
+rm -vf ${LCMS_SRC}/cmssm.c
+rm -vf ${LCMS_SRC}/cmstypes.c
+rm -vf ${LCMS_SRC}/cmsvirt.c
+rm -vf ${LCMS_SRC}/cmswtpnt.c
+rm -vf ${LCMS_SRC}/cmsxform.c
+rm -vf ${LCMS_SRC}/lcms2.h
+rm -vf ${LCMS_SRC}/lcms2_internal.h
+rm -vf ${LCMS_SRC}/lcms2_plugin.h
+
+