diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ce4118..b641aaf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,28 +18,6 @@ set(COLORMODE_cg EGA64)
 
 fxconv_declare_converters(assets/converters.py)
 
-add_custom_command(
-  COMMENT "Convert Tiled TMX map to usable JSON file"
-	COMMAND tiled --export-tileset json tilesetnpp.tsx tilesetnpp.json
-	COMMAND find | grep .*.tmx | sed 's/.tmx//g' | xargs -l bash -c 'tiled --export-map json $$0.tmx $$0.json'
-	WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/assets/  
-
-  OUTPUT "${CMAKE_CURRENT_LIST_DIR}/assets/level0.json"
-  OUTPUT "${CMAKE_CURRENT_LIST_DIR}/assets/level1.json"
-  OUTPUT "${CMAKE_CURRENT_LIST_DIR}/assets/level2.json"
-  OUTPUT "${CMAKE_CURRENT_LIST_DIR}/assets/level3.json"
-# if several levels/maps are created, just copy the previous line and change the .json name with the new level/map
-  DEPENDS 	assets/converters.py
-		assets/tileset.png 
-		assets/tilesetnpp.tsx
-		assets/level0.tmx
-    assets/level1.tmx
-    assets/level2.tmx
-    assets/level3.tmx
-# if several levels/maps are created, just copy the previous line and change the .json name with the new level/map
-  )
-
-
 set(SOURCES
   src/main.c
   src/map.c
@@ -51,10 +29,6 @@ set(SOURCES
 )
 # Shared assets, fx-9860G-only assets and fx-CG-50-only assets
 set(ASSETS
-  #assets/level0.json
-  #assets/level1.json
-  #assets/level2.json
-  #assets/level3.json
   assets/WorldRPG.world
   # ...
 )