diff --git a/metadata.json b/metadata.json
index b8011bf..893708a 100644
--- a/metadata.json
+++ b/metadata.json
@@ -16,18 +16,9 @@
     }
   ],
   "operatingsystem_support": [
-    {
-      "operatingsystem": "CentOS",
-      "operatingsystemrelease": [
-        "7",
-        "8",
-        "9"
-      ]
-    },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "7",
         "8",
         "9"
       ]
@@ -52,12 +43,6 @@
         "8",
         "9"
       ]
-    },
-    {
-      "operatingsystem": "Scientific",
-      "operatingsystemrelease": [
-        "7"
-      ]
     }
   ],
   "requirements": [