diff --git a/devices/gl-mt300a/default.nix b/devices/gl-mt300a/default.nix
index ac57d6e..5b879e1 100644
--- a/devices/gl-mt300a/default.nix
+++ b/devices/gl-mt300a/default.nix
@@ -131,10 +131,6 @@
           SWCONFIG = "y";
           SWPHY = "y";
 
-          BRIDGE = "y";
-          BRIDGE_VLAN_FILTERING = "y";
-          BRIDGE_IGMP_SNOOPING = "y";
-
           MTD = "y";
           MTD_CMDLINE_PARTS = "y";
           MTD_BLOCK = "y";         # fix undefined ref to register_mtd_blktrans_devs
diff --git a/devices/gl-mt300n-v2/default.nix b/devices/gl-mt300n-v2/default.nix
index 0f0f47c..3e1986a 100644
--- a/devices/gl-mt300n-v2/default.nix
+++ b/devices/gl-mt300n-v2/default.nix
@@ -157,10 +157,6 @@
           SWCONFIG = "y";
           SWPHY = "y";
 
-          BRIDGE = "y";
-          BRIDGE_VLAN_FILTERING = "y";
-          BRIDGE_IGMP_SNOOPING = "y";
-
           WATCHDOG = "y";
           RALINK_WDT = "y";  # watchdog
           MT7621_WDT = "y";  # or it might be this one
diff --git a/modules/bridge/default.nix b/modules/bridge/default.nix
index 1145ec7..dc1d071 100644
--- a/modules/bridge/default.nix
+++ b/modules/bridge/default.nix
@@ -39,5 +39,9 @@ in
       };
     };
   };
-  config.kernel.config.BRIDGE = "y";
+  config.kernel.config = {
+    BRIDGE = "y";
+    BRIDGE_VLAN_FILTERING = "y";
+    BRIDGE_IGMP_SNOOPING = "y";
+  };
 }