diff --git a/boards/sim/sim/sim/Kconfig b/boards/sim/sim/sim/Kconfig
index 1267b0bb64..a6b5474162 100644
--- a/boards/sim/sim/sim/Kconfig
+++ b/boards/sim/sim/sim/Kconfig
@@ -43,12 +43,6 @@ config SIM_LISTENERPRIO
 	---help---
 		The priority of the event listener thread. Default 80.
 
-config SIM_NOTIFYSIGNO
-	int "Notify Signal Number"
-	default 4
-	---help---
-		The signal number to use with nx_eventnotify().  Default: 4
-
 endif
 
 config SIM_WTGAHRS2_UARTN