diff --git a/src/p_local.h b/src/p_local.h
index 098b1fdd4..f239bcc68 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -140,7 +140,7 @@ boolean P_IsObjectOnGround(mobj_t *mo);
 boolean P_IsObjectOnGroundIn(mobj_t *mo, sector_t *sec);
 boolean P_InSpaceSector(mobj_t *mo);
 boolean P_InQuicksand(mobj_t *mo);
-boolean P_PlayerHitFloor(player_t *player, boolean dorollstuff);
+boolean P_PlayerHitFloor(player_t *player);
 
 void P_SetObjectMomZ(mobj_t *mo, fixed_t value, boolean relative);
 void P_RestoreMusic(player_t *player);