diff --git a/replayserver/bookkeeping/storage.py b/replayserver/bookkeeping/storage.py
index 00cab34..902747d 100644
--- a/replayserver/bookkeeping/storage.py
+++ b/replayserver/bookkeeping/storage.py
@@ -64,13 +64,6 @@ async def _get_replay_info(self, game_id, header):
         result['uid'] = game_id
         result['complete'] = True
         result['state'] = 'PLAYING'
-        try:
-            result['sim_mods'] = {
-                mod['uid']: mod['version']
-                for mod in header.get('mods', {}).values()
-            }
-        except KeyError:    # TODO - validate elsewhere?
-            raise BookkeepingError("Replay header has invalid sim_mods")
 
         game_stats = await self._database.get_game_stats(game_id)
         teams = await self._database.get_teams_in_game(game_id)
diff --git a/replayserver/struct/header.py b/replayserver/struct/header.py
index 48869de..ee509c3 100644
--- a/replayserver/struct/header.py
+++ b/replayserver/struct/header.py
@@ -84,8 +84,10 @@ def read_header(gen):
     result["map_name"] = map_name
     yield from read_exactly(gen, 4)     # skip
 
-    yield from read_value(gen, "I", 4)  # Mod (data?) size
-    result["mods"] = yield from read_lua_value(gen)
+    # We don't need to parse mods
+    ssize = yield from read_value(gen, "I", 4)  # Mod (data?) size
+    yield from read_exactly(gen, ssize)
+    # result["mods"] = yield from read_lua_value(gen)
 
     # We don't need to parse scenario info
     ssize = yield from read_value(gen, "I", 4)  # Scenario (data?) size
diff --git a/tests/unit_tests/struct/test_header.py b/tests/unit_tests/struct/test_header.py
index 56170c4..24d5379 100644
--- a/tests/unit_tests/struct/test_header.py
+++ b/tests/unit_tests/struct/test_header.py
@@ -181,7 +181,6 @@ def test_lua_dict_prevent_huge_recursion():
     },
     'cheats_enabled': 0,
     'map_name': '/maps/SCMP_016/SCMP_016.scmap',
-    'mods': {},
     'random_seed': 65637294,
     'remaining_timeouts': {
         'MazorNoob': 3,