diff --git a/metadata.json b/metadata.json
index b2bcf7d0..6eac01fb 100644
--- a/metadata.json
+++ b/metadata.json
@@ -50,7 +50,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "9",
         "10",
         "11"
       ]