diff --git a/data.lua b/data.lua
index 164915b..f309761 100644
--- a/data.lua
+++ b/data.lua
@@ -5,5 +5,5 @@ require("other-entities")
 require("lead-enriched")   -- Enriched Ti for Krastorio 2
 require("lead-recipe-se")  -- Space Exploration special recipes (depends on K2 if present)
 require("lead-compressed")
-require("lead-sim")
+-- require("lead-sim")