diff --git a/stepmania/src/MessageManager.cpp b/stepmania/src/MessageManager.cpp
index b30cbfd117..cde920fd84 100644
--- a/stepmania/src/MessageManager.cpp
+++ b/stepmania/src/MessageManager.cpp
@@ -55,7 +55,6 @@ static const char *MessageIDNames[] = {
 	"SideJoinedP1",
 	"SideJoinedP2",
 	"PlayersFinalized",
-	"AssistTickChanged",
 	"AutosyncChanged",
 	"PreferredSongGroupChanged",
 	"PreferredCourseGroupChanged",
diff --git a/stepmania/src/MessageManager.h b/stepmania/src/MessageManager.h
index 795c6d396c..93cea7dacc 100644
--- a/stepmania/src/MessageManager.h
+++ b/stepmania/src/MessageManager.h
@@ -52,7 +52,6 @@ enum MessageID
 	Message_SideJoinedP1,
 	Message_SideJoinedP2,
 	Message_PlayersFinalized,
-	Message_AssistTickChanged,
 	Message_AutosyncChanged,
 	Message_PreferredSongGroupChanged,
 	Message_PreferredCourseGroupChanged,