diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c
index 0d6d20c9105e..8f68afda5f81 100644
--- a/net/bridge/netfilter/ebt_stp.c
+++ b/net/bridge/netfilter/ebt_stp.c
@@ -15,7 +15,6 @@
 #include <linux/netfilter_bridge/ebt_stp.h>
 
 #define BPDU_TYPE_CONFIG 0
-#define BPDU_TYPE_TCN 0x80
 
 struct stp_header {
 	u8 dsap;