diff --git a/scheduler/inc/scheduler_api.h b/scheduler/inc/scheduler_api.h
index c6abfdc74e..2607714547 100644
--- a/scheduler/inc/scheduler_api.h
+++ b/scheduler/inc/scheduler_api.h
@@ -42,7 +42,6 @@
 #define SYS_MSG_COOKIE      0xFACE
 
 typedef enum {
-	SYS_MSG_ID_MC_THR_PROBE,
 	SYS_MSG_ID_MC_TIMER,
 	SYS_MSG_ID_FTM_RSP,
 	SYS_MSG_ID_QVIT,