diff --git a/src/playsim/p_map.cpp b/src/playsim/p_map.cpp
index 56688fd06..1dd5d5578 100644
--- a/src/playsim/p_map.cpp
+++ b/src/playsim/p_map.cpp
@@ -155,38 +155,6 @@ bool P_CanCollideWith(AActor *tmthing, AActor *thing)
 	return true;
 }
 
-//==========================================================================
-// 
-// CanCrossLine
-//
-// Checks if an actor can cross a line after all checks are processed.
-// If false, the line blocks them.
-//==========================================================================
-
-bool P_CanCrossLine(AActor *mo, line_t *line, int side, DVector3 next)
-{
-	static unsigned VIndex = ~0u;
-	if (VIndex == ~0u)
-	{
-		VIndex = GetVirtualIndex(RUNTIME_CLASS(AActor), "CanCrossLine");
-		assert(VIndex != ~0u);
-	}
-
-	VMValue params[] = { mo, line, side, next.X, next.Y, next.Z, false };
-	VMReturn ret;
-	int retval;
-	ret.IntAt(&retval);
-
-	auto clss = mo->GetClass();
-	VMFunction *func = clss->Virtuals.Size() > VIndex ? clss->Virtuals[VIndex] : nullptr;
-	if (func != nullptr)
-	{
-		VMCall(func, params, countof(params), &ret, 1);
-		return retval;
-	}
-	return true;
-}
-
 //==========================================================================
 //
 // FindRefPoint
@@ -985,13 +953,6 @@ bool PIT_CheckLine(FMultiBlockLinesIterator &mit, FMultiBlockLinesIterator::Chec
 		}
 	}
 
-	if (!P_CanCrossLine(tm.thing, ld, P_PointOnLineSide(cres.Position, ld), tm.pos))
-	{
-		if (wasfit)
-			tm.thing->BlockingLine = ld;
-		
-		return false;
-	}
 	// If the floor planes on both sides match we should recalculate open.bottom at the actual position we are checking
 	// This is to avoid bumpy movement when crossing a linedef with the same slope on both sides.
 	// This should never narrow down the opening, though, only widen it.
diff --git a/wadsrc/static/zscript/actors/actor.zs b/wadsrc/static/zscript/actors/actor.zs
index 1c702e9d5..96d60b761 100644
--- a/wadsrc/static/zscript/actors/actor.zs
+++ b/wadsrc/static/zscript/actors/actor.zs
@@ -501,12 +501,6 @@ class Actor : Thinker native
 		return true;
 	}
 
-	// Called by PIT_CheckLine to check if an actor can cross a line.
-	virtual bool CanCrossLine(Line crossing, int side, Vector3 next)
-	{
-		return true;
-	}
-
 	// Called by revival/resurrection to check if one can resurrect the other.
 	// "other" can be null when not passive.
 	virtual bool CanResurrect(Actor other, bool passive)