ismecha define

code/modules/mining/equipment/wormhole_jaunter.dm

@@ -94,7 +94,7 @@
 	if(!ismob(M) && !isobj(M))	//No don't teleport lighting and effects!
 		return
 
-	if(M.anchored && (!ismob(M) || (istype(M, /obj/mecha) && !mech_sized)))
+	if(M.anchored && (!ismob(M) || (ismecha(M) && !mech_sized)))
 		return
 
 	if(do_teleport(M, hard_target, 6))

code/modules/mining/lavaland/necropolis_chests.dm

@@ -435,7 +435,7 @@
 		if(!over_object)
 			return
 
-		if (istype(usr.loc, /obj/mecha))
+		if(ismecha(usr.loc))
 			return
 
 		if(!M.incapacitated())