diff --git a/metadata.json b/metadata.json
index 4520c0ec9..3f6f5d5d1 100644
--- a/metadata.json
+++ b/metadata.json
@@ -51,7 +51,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "9",
         "10",
         "11"
       ]