diff --git a/src/acs/interface.cpp b/src/acs/interface.cpp
index 2b1b5b050..13a53c04e 100644
--- a/src/acs/interface.cpp
+++ b/src/acs/interface.cpp
@@ -293,11 +293,11 @@ void ACS_RunPlayerFinishScript(player_t *player)
 }
 
 /*--------------------------------------------------
-	void ACS_RunPositionScript(void)
+	void ACS_RunRaceStartScript(void)
 
 		See header file for description.
 --------------------------------------------------*/
-void ACS_RunPositionScript(void)
+void ACS_RunRaceStartScript(void)
 {
 	Environment *env = &ACSEnv;
 
@@ -305,7 +305,7 @@ void ACS_RunPositionScript(void)
 	ACSVM::HubScope *const hub = global->getHubScope(0);
 	ACSVM::MapScope *const map = hub->getMapScope(0);
 
-	map->scriptStartType(ACS_ST_POSITION, {});
+	map->scriptStartType(ACS_ST_RACESTART, {});
 }
 
 /*--------------------------------------------------
@@ -324,29 +324,6 @@ void ACS_RunOvertimeScript(void)
 	map->scriptStartType(ACS_ST_OVERTIME, {});
 }
 
-/*--------------------------------------------------
-	void ACS_RunEmeraldScript(mobj_t *mo)
-
-		See header file for description.
---------------------------------------------------*/
-void ACS_RunEmeraldScript(mobj_t *mo)
-{
-	Environment *env = &ACSEnv;
-
-	ACSVM::GlobalScope *const global = env->getGlobalScope(0);
-	ACSVM::HubScope *const hub = global->getHubScope(0);
-	ACSVM::MapScope *const map = hub->getMapScope(0);
-
-	ACSVM::MapScope::ScriptStartInfo scriptInfo;
-	ThreadInfo info;
-
-	P_SetTarget(&info.mo, mo);
-
-	scriptInfo.info = &info;
-
-	map->scriptStartTypeForced(ACS_ST_EMERALD, scriptInfo);
-}
-
 /*--------------------------------------------------
 	void ACS_RunGameOverScript(void)
 
diff --git a/src/acs/interface.h b/src/acs/interface.h
index 11544cb21..12acc1ca7 100644
--- a/src/acs/interface.h
+++ b/src/acs/interface.h
@@ -171,13 +171,13 @@ void ACS_RunLapScript(mobj_t *mo, line_t *line);
 
 
 /*--------------------------------------------------
-	void ACS_RunPositionScript(void);
+	void ACS_RunRaceStartScript(void);
 
 		Runs the map's special script for when the level
 		goes past the POSITION period.
 --------------------------------------------------*/
 
-void ACS_RunPositionScript(void);
+void ACS_RunRaceStartScript(void);
 
 
 /*--------------------------------------------------
@@ -190,16 +190,6 @@ void ACS_RunPositionScript(void);
 void ACS_RunOvertimeScript(void);
 
 
-/*--------------------------------------------------
-	void ACS_RunEmeraldScript(mobj_t *mo);
-
-		Runs the map's special script for when the
-		Special Stage Chaos Emerald is collected.
---------------------------------------------------*/
-
-void ACS_RunEmeraldScript(mobj_t *mo);
-
-
 /*--------------------------------------------------
 	void ACS_RunGameOverScript(void);
 
diff --git a/src/acs/thread.hpp b/src/acs/thread.hpp
index 3f86fb54d..95d4f3a59 100644
--- a/src/acs/thread.hpp
+++ b/src/acs/thread.hpp
@@ -38,12 +38,10 @@ enum acs_scriptType_e
 	ACS_ST_DEATH		=  3, // DEATH: Runs when a player dies.
 	ACS_ST_ENTER		=  4, // ENTER: Runs when a player enters the game; both on start of the level, and when un-spectating.
 	ACS_ST_LAP			=  5, // LAP: Runs when a player's lap increases from crossing the finish line.
-	ACS_ST_POSITION		=  6, // POSITION: Runs when the POSITION period ends.
-	ACS_ST_OVERTIME		=  7, // OVERTIME: Runs when Overtime starts in timed game modes.
-	ACS_ST_UFO			=  8, // UFO: Runs when the UFO Catcher is destroyed in a Special Stage.
-	ACS_ST_EMERALD		=  9, // EMERALD: Runs when the Chaos Emerald is collected in a Special Stage.
-	ACS_ST_GAMEOVER		= 10, // GAMEOVER: Runs when the level ends due to a losing condition and no player has an extra life.
-	ACS_ST_FINISH		= 11, // FINISH: Runs when a player finishes
+	ACS_ST_RACESTART	=  6, // RACESTART: Runs when the RACE starts.
+	ACS_ST_OVERTIME		=  8, // OVERTIME: Runs when Overtime starts in timed game modes.
+	ACS_ST_GAMEOVER		= 9, // GAMEOVER: Runs when the level ends due to a losing condition and no player has an extra life.
+	ACS_ST_FINISH		= 10, // FINISH: Runs when a player finishes
 };
 
 //
diff --git a/src/p_tick.c b/src/p_tick.c
index d4c705658..66912d0db 100644
--- a/src/p_tick.c
+++ b/src/p_tick.c
@@ -820,7 +820,7 @@ void P_Ticker(boolean run)
 
 		if (starttime > introtime && leveltime == starttime)
 		{
-			ACS_RunPositionScript();
+			ACS_RunRaceStartScript();
 		}
 
 		if (timelimitintics > 0 && leveltime == (timelimitintics + starttime + 1))