diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 5e2ebd7969..2bbd181208 100644
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -365,6 +365,12 @@ sdk_ext_preinst() {
 		exit 1
 	fi
 	SDK_EXTENSIBLE="1"
+	if [ "$publish" = "1" ] ; then
+		EXTRA_TAR_OPTIONS="$EXTRA_TAR_OPTIONS --exclude=ext-sdk-prepare.py"
+		if [ "${SDK_EXT_TYPE}" = "minimal" ] ; then
+			EXTRA_TAR_OPTIONS="$EXTRA_TAR_OPTIONS --exclude=sstate-cache"
+		fi
+	fi
 }
 SDK_PRE_INSTALL_COMMAND_task-populate-sdk-ext = "${sdk_ext_preinst}"
 
diff --git a/meta/files/toolchain-shar-extract.sh b/meta/files/toolchain-shar-extract.sh
index 0295bded6e..23a86dd52f 100644
--- a/meta/files/toolchain-shar-extract.sh
+++ b/meta/files/toolchain-shar-extract.sh
@@ -38,12 +38,14 @@ fi
 
 DEFAULT_INSTALL_DIR="@SDKPATH@"
 SUDO_EXEC=""
+EXTRA_TAR_OPTIONS=""
 target_sdk_dir=""
 answer=""
 relocate=1
 savescripts=0
 verbose=0
-while getopts ":yd:nDRS" OPT; do
+publish=0
+while getopts ":yd:npDRS" OPT; do
 	case $OPT in
 	y)
 		answer="Y"
@@ -54,6 +56,10 @@ while getopts ":yd:nDRS" OPT; do
 	n)
 		prepare_buildsystem="no"
 		;;
+	p)
+		prepare_buildsystem="no"
+		publish=1
+		;;
 	D)
 		verbose=1
 		;;
@@ -70,6 +76,7 @@ while getopts ":yd:nDRS" OPT; do
 		echo "  -d <dir>   Install the SDK to <dir>"
 		echo "======== Extensible SDK only options ============"
 		echo "  -n         Do not prepare the build system"
+		echo "  -p         Publish mode (implies -n)"
 		echo "======== Advanced DEBUGGING ONLY OPTIONS ========"
 		echo "  -S         Save relocation scripts"
 		echo "  -R         Do not relocate executables"
@@ -181,7 +188,7 @@ fi
 payload_offset=$(($(grep -na -m1 "^MARKER:$" $0|cut -d':' -f1) + 1))
 
 printf "Extracting SDK..."
-tail -n +$payload_offset $0| $SUDO_EXEC tar xJ -C $target_sdk_dir --checkpoint=.2500 || exit 1
+tail -n +$payload_offset $0| $SUDO_EXEC tar xJ -C $target_sdk_dir --checkpoint=.2500 $EXTRA_TAR_OPTIONS || exit 1
 echo "done"
 
 printf "Setting it up..."
diff --git a/scripts/oe-publish-sdk b/scripts/oe-publish-sdk
index 992de19955..e6cb7af861 100755
--- a/scripts/oe-publish-sdk
+++ b/scripts/oe-publish-sdk
@@ -94,19 +94,17 @@ def publish(args):
 
     # Unpack the SDK
     logger.info("Unpacking SDK")
-    cleanupfiles = [dest_sdk, os.path.join(destdir, 'ext-sdk-prepare.py')]
     if not is_remote:
-        cmd = "sh %s -n -y -d %s" % (dest_sdk, destination)
+        cmd = "sh %s -p -y -d %s" % (dest_sdk, destination)
         ret = subprocess.call(cmd, shell=True)
         if ret == 0:
             logger.info('Successfully unpacked %s to %s' % (dest_sdk, destination))
-            for cleanupfile in cleanupfiles:
-                os.remove(cleanupfile)
+            os.remove(dest_sdk)
         else:
             logger.error('Failed to unpack %s to %s' % (dest_sdk, destination))
             return ret
     else:
-        cmd = "ssh %s 'sh %s -n -y -d %s && rm -f %s'" % (host, dest_sdk, destdir, ' '.join(cleanupfiles))
+        cmd = "ssh %s 'sh %s -p -y -d %s && rm -f %s'" % (host, dest_sdk, destdir, dest_sdk)
         ret = subprocess.call(cmd, shell=True)
         if ret == 0:
             logger.info('Successfully unpacked %s to %s' % (dest_sdk, destdir))