diff --git a/src/p_mobj.c b/src/p_mobj.c
index be1fd9a02..42571a5c3 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -8901,6 +8901,7 @@ void P_SpawnMapThing(mapthing_t *mthing)
 		const size_t mthingi = (size_t)(mthing - mapthings);
 
 		// Why does P_FindSpecialLineFromTag not work here?!?
+		// Monster Iestyn: tag lists haven't been initialised yet for the map, that's why
 		for (line = 0; line < numlines; line++)
 		{
 			if (lines[line].special == 9 && lines[line].tag == mthing->angle)
@@ -9050,10 +9051,6 @@ ML_NOCLIMB : Direction not controllable
 	{
 		if (mthing->options & MTF_OBJECTSPECIAL) // No egg trap for this boss
 			mobj->flags2 |= MF2_BOSSNOTRAP;
-
-		z = ss->sector->floorheight + ((mthing->options >> (ZSHIFT)) << FRACBITS);
-
-		mthing->z = (INT16)(z>>FRACBITS);
 	}
 
 	if (i == MT_AXIS || i == MT_AXISTRANSFER || i == MT_AXISTRANSFERLINE) // Axis Points