diff --git a/metadata.json b/metadata.json
index fdf10bd..1341b7c 100644
--- a/metadata.json
+++ b/metadata.json
@@ -29,7 +29,6 @@
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "6",
         "7",
         "8"
       ]