diff --git a/ifupdown2/addons/bridge.py b/ifupdown2/addons/bridge.py
index c719657..2b9ea84 100644
--- a/ifupdown2/addons/bridge.py
+++ b/ifupdown2/addons/bridge.py
@@ -194,7 +194,6 @@ class bridge(Addon, moduleBase):
             },
             "bridge-mcmi": {
                 "help": "set multicast membership interval (in secs)",
-                "validrange": ["0", "255"],
                 "default": "260",
                 "example": ["bridge-mcmi 260"]
             },