diff --git a/metadata.json b/metadata.json
index 7b8e0f1..a64116b 100644
--- a/metadata.json
+++ b/metadata.json
@@ -24,9 +24,6 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "14.04",
-        "16.04",
-        "18.04",
         "20.04"
       ]
     },