diff --git a/ddbridge/ddbridge-core.c b/ddbridge/ddbridge-core.c
index 127fe81..ca362b1 100644
--- a/ddbridge/ddbridge-core.c
+++ b/ddbridge/ddbridge-core.c
@@ -52,10 +52,6 @@ static int vlan;
 module_param(vlan, int, 0444);
 MODULE_PARM_DESC(vlan, "VLAN and QoS IDs enabled");
 
-static int tt;
-module_param(tt, int, 0444);
-MODULE_PARM_DESC(tt, "");
-
 static int fmode;
 module_param(fmode, int, 0444);
 MODULE_PARM_DESC(fmode, "frontend emulation mode");