diff --git a/src/p_mobj.c b/src/p_mobj.c
index 7ce5267e5..f12e73ad8 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -88,7 +88,7 @@ void P_AddCachedAction(mobj_t *mobj, INT32 statenum)
 //
 // P_SetupStateAnimation
 //
-FUNCINLINE static ATTRINLINE void P_SetupStateAnimation(mobj_t *mobj, state_t *st)
+static void P_SetupStateAnimation(mobj_t *mobj, state_t *st)
 {
 	INT32 animlength = (mobj->sprite == SPR_PLAY && mobj->skin)
 		? (INT32)(((skin_t *)mobj->skin)->sprites[mobj->sprite2].numframes) - 1