diff --git a/metadata.json b/metadata.json
index 6bc0768f..99659b81 100644
--- a/metadata.json
+++ b/metadata.json
@@ -22,13 +22,6 @@
         "9"
       ]
     },
-    {
-      "operatingsystem": "CentOS",
-      "operatingsystemrelease": [
-        "7",
-        "8"
-      ]
-    },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
@@ -38,7 +31,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "10",
         "11"
       ]
     },