diff --git a/SNIClient.py b/SNIClient.py
index c97d0d6c..3d90fafc 100644
--- a/SNIClient.py
+++ b/SNIClient.py
@@ -1196,7 +1196,7 @@ async def game_watcher(ctx: Context):
                 snes_buffered_write(ctx, SM_SEND_QUEUE_RCOUNT,
                                     bytes([recv_index & 0xFF, (recv_index >> 8) & 0xFF]))
 
-                from worlds.sm.Locations import locations_start_id
+                from worlds.sm import locations_start_id
                 location_id = locations_start_id + itemIndex
 
                 ctx.locations_checked.add(location_id)
@@ -1211,8 +1211,8 @@ async def game_watcher(ctx: Context):
 
             itemOutPtr = data[0] | (data[1] << 8)
 
-            from worlds.sm.Items import items_start_id
-            from worlds.sm.Locations import locations_start_id
+            from worlds.sm import items_start_id
+            from worlds.sm import locations_start_id
             if itemOutPtr < len(ctx.items_received):
                 item = ctx.items_received[itemOutPtr]
                 itemId = item.item - items_start_id
diff --git a/worlds/sm/Items.py b/worlds/sm/Items.py
deleted file mode 100644
index ff8970b6..00000000
--- a/worlds/sm/Items.py
+++ /dev/null
@@ -1,14 +0,0 @@
-from worlds.sm.variaRandomizer.rando.Items import ItemManager
-
-items_start_id = 83000
-
-def gen_special_id():
-    special_id_value_start = 32
-    while True:
-        yield special_id_value_start
-        special_id_value_start += 1
-
-gen_run = gen_special_id()
-
-lookup_id_to_name = dict((items_start_id + (value.Id if value.Id != None else next(gen_run)), value.Name) for key, value in ItemManager.Items.items())
-lookup_name_to_id = {item_name: item_id for item_id, item_name in lookup_id_to_name.items()}
\ No newline at end of file
diff --git a/worlds/sm/Locations.py b/worlds/sm/Locations.py
deleted file mode 100644
index 4e80ab00..00000000
--- a/worlds/sm/Locations.py
+++ /dev/null
@@ -1,14 +0,0 @@
-from worlds.sm.variaRandomizer.graph.location import locationsDict
-
-locations_start_id = 82000
-
-def gen_boss_id():
-    boss_id_value_start = 256
-    while True:
-        yield boss_id_value_start
-        boss_id_value_start += 1
-
-gen_run = gen_boss_id()
-
-lookup_id_to_name = dict((locations_start_id + (value.Id if value.Id != None else next(gen_run)), key) for key, value in locationsDict.items())
-lookup_name_to_id = {location_name: location_id for location_id, location_name in lookup_id_to_name.items()}
\ No newline at end of file
diff --git a/worlds/sm/__init__.py b/worlds/sm/__init__.py
index 5da1c40f..fbf3825e 100644
--- a/worlds/sm/__init__.py
+++ b/worlds/sm/__init__.py
@@ -11,8 +11,6 @@ from worlds.sm.variaRandomizer.graph.graph_utils import GraphUtils
 
 logger = logging.getLogger("Super Metroid")
 
-from .Locations import lookup_name_to_id as locations_lookup_name_to_id
-from .Items import lookup_name_to_id as items_lookup_name_to_id
 from .Regions import create_regions
 from .Rules import set_rules, add_entrance_rule
 from .Options import sm_options
@@ -68,6 +66,8 @@ class SMWeb(WebWorld):
         ["Farrak Kilhn"]
     )]
 
+locations_start_id = 82000
+items_start_id = 83000
 
 class SMWorld(World):
     """
@@ -78,12 +78,11 @@ class SMWorld(World):
 
     game: str = "Super Metroid"
     topology_present = True
-    data_version = 1
+    data_version = 2
     option_definitions = sm_options
-    item_names: Set[str] = frozenset(items_lookup_name_to_id)
-    location_names: Set[str] = frozenset(locations_lookup_name_to_id)
-    item_name_to_id = items_lookup_name_to_id
-    location_name_to_id = locations_lookup_name_to_id
+
+    item_name_to_id = {value.Name: items_start_id + value.Id for key, value in ItemManager.Items.items() if value.Id != None}
+    location_name_to_id = {key: locations_start_id + value.Id for key, value in locationsDict.items() if value.Id != None}
     web = SMWeb()
 
     remote_items: bool = False
@@ -701,8 +700,8 @@ class SMWorld(World):
                                                             dest.Name) for src, dest in self.variaRando.randoExec.areaGraph.InterAreaTransitions if src.Boss]))
 
 def create_locations(self, player: int):
-    for name, id in locations_lookup_name_to_id.items():
-        self.locations[name] = SMLocation(player, name, id)
+    for name in locationsDict:
+        self.locations[name] = SMLocation(player, name, self.location_name_to_id.get(name, None))
 
 
 def create_region(self, world: MultiWorld, player: int, name: str, locations=None, exits=None):