diff --git a/metadata.json b/metadata.json
index 29a610ad..267d3a41 100644
--- a/metadata.json
+++ b/metadata.json
@@ -7,15 +7,6 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "7",
-        "8",
-        "9"
-      ]
-    },
-    {
-      "operatingsystem": "CentOS",
-      "operatingsystemrelease": [
-        "7",
         "8",
         "9"
       ]
@@ -37,17 +28,10 @@
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "7",
         "8",
         "9"
       ]
     },
-    {
-      "operatingsystem": "Scientific",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [