diff --git a/src/actor.h b/src/actor.h
index 0336c4185..ea4d15ad9 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -283,7 +283,7 @@ enum ActorFlag4
 enum ActorFlag5
 {
 	MF5_DONTDRAIN		= 0x00000001,	// cannot be drained health from.
-	MF5_INSTATECALL		= 0x00000002,	// This actor is being run through CallStateChain
+	/*		FREE SLOT	  0x00000002*/
 	MF5_NODROPOFF		= 0x00000004,	// cannot drop off under any circumstances.
 	MF5_NOFORWARDFALL	= 0x00000008,	// Does not make any actor fall forward by being damaged by this
 	MF5_COUNTSECRET		= 0x00000010,	// From Doom 64: actor acts like a secret
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 77c2fcbd1..e13d3e92f 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -120,7 +120,6 @@ bool ACustomInventory::CallStateChain (AActor *actor, FState *state)
 	ret[0].PointerAt((void **)&nextstate);
 	ret[1].IntAt(&retval);
 
-	this->flags5 |= MF5_INSTATECALL;
 	FState *savedstate = this->state;
 
 	while (state != NULL)
@@ -191,7 +190,6 @@ bool ACustomInventory::CallStateChain (AActor *actor, FState *state)
 		}
 		state = nextstate;
 	}
-	this->flags5 &= ~MF5_INSTATECALL;
 	this->state = savedstate;
 	return !!result;
 }