diff --git a/src/p_local.h b/src/p_local.h
index ac92ad7b7..48014f993 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -354,7 +354,6 @@ msecnode_t*	P_DelSecnode(msecnode_t *, msecnode_t *sector_t::*head);
 void	P_CreateSecNodeList(AActor*);		// phares 3/14/98
 double	P_GetMoveFactor(const AActor *mo, double *frictionp);	// phares  3/6/98
 double		P_GetFriction(const AActor *mo, double *frictionfactor);
-bool	Check_Sides(AActor *, int, int);					// phares
 
 // [RH] 
 const secplane_t * P_CheckSlopeWalk(AActor *actor, DVector2 &move);
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index ecd6b8d1c..419da0ccb 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -4390,6 +4390,7 @@ void AActor::Deactivate (AActor *activator)
 void AActor::Destroy ()
 {
 	ClearRenderSectorList();
+	ClearRenderLineList();
 
 	// [RH] Destroy any inventory this actor is carrying
 	DestroyAllInventory ();