diff --git a/components/pmo/dispatcher/inc/wlan_pmo_gtk_public_struct.h b/components/pmo/dispatcher/inc/wlan_pmo_gtk_public_struct.h
index 4f7795c17d42..41482d9779c3 100644
--- a/components/pmo/dispatcher/inc/wlan_pmo_gtk_public_struct.h
+++ b/components/pmo/dispatcher/inc/wlan_pmo_gtk_public_struct.h
@@ -30,7 +30,6 @@
 
 #define PMO_GTK_OFFLOAD_ENABLE  0
 #define PMO_GTK_OFFLOAD_DISABLE 1
-#define PMO_KEK_LEN_LEGACY 16
 #define PMO_KEK_LEN 64
 #define PMO_KCK_LEN 32
 #define PMO_REPLAY_COUNTER_LEN 8