diff --git a/src/p_floor.c b/src/p_floor.c
index 078ee187b..aa05c6af2 100644
--- a/src/p_floor.c
+++ b/src/p_floor.c
@@ -26,19 +26,6 @@
 //                              FLOORS
 // ==========================================================================
 
-//
-// Mini-P_IsObjectOnGroundIn for T_MovePlane hack
-//
-static inline boolean P_MobjReadyToMove(mobj_t *mo, sector_t *sec, boolean sectorisffloor, boolean sectorisquicksand)
-{
-	if (sectorisquicksand)
-		return (mo->z > sec->floorheight && mo->z < sec->ceilingheight);
-	else if (!!(mo->flags & MF_SPAWNCEILING) ^ !!(mo->eflags & MFE_VERTICALFLIP))
-		return ((sectorisffloor) ? (mo->z+mo->height != sec->floorheight) : (mo->z+mo->height != sec->ceilingheight));
-	else
-		return ((sectorisffloor) ? (mo->z != sec->ceilingheight) : (mo->z != sec->floorheight));
-}
-
 //
 // Move a plane (floor or ceiling) and check for crushing
 //