diff --git a/mqtt/sec/.env b/mqtt/sec/.env
index 41fb93a..0366df1 100644
--- a/mqtt/sec/.env
+++ b/mqtt/sec/.env
@@ -1,5 +1,4 @@
 # --- Container Settings ---
-CONTAINER_NAME=mosquitto
 TZ=Europe/Berlin
 
 # --- Connectivity & DNS ---