diff --git a/gns3/create-appliance-file.sh b/gns3/create-appliance-file.sh
index e003896..4ce9be0 100755
--- a/gns3/create-appliance-file.sh
+++ b/gns3/create-appliance-file.sh
@@ -8,5 +8,7 @@ echo "Creating new opennms-horizon.gns3a appliance file:"
 echo "- OpenNMS version.: $VERSION"
 echo "- Image md5sum....: $MD5SUM"
 echo "- Image filesize..: $FILESIZE"
-sed -i 's/packer-qemu/opennms-horizon.qcow2/g' opennms-horizon.qcow2.md5sum 
-sed -e "s/\${version}/$VERSION/" -e "s/\${md5sum}/$MD5SUM/" -e "s/\${filesize}/$FILESIZE/" ../gns3/opennms-horizon.gns3a > opennms-horizon.gns3a
\ No newline at end of file
+
+sed -e "s/\${version}/$VERSION/" -e "s/\${md5sum}/$MD5SUM/" -e "s/\${filesize}/$FILESIZE/" ../gns3/opennms-horizon.gns3a > opennms-horizon.gns3a
+
+rm -rf opennms-horizon.qcow2.md5sum opennms-horizon.qcow2.gz.md5sum