diff --git a/src/play_clj/core_graphics.clj b/src/play_clj/core_graphics.clj
index e14de12..7931a82 100644
--- a/src/play_clj/core_graphics.clj
+++ b/src/play_clj/core_graphics.clj
@@ -93,11 +93,11 @@ Normally, you don't need to use this directly."
   ([screen layer]
     (if (isa? (type layer) MapLayer)
         layer
-        (let [^BatchTiledMapRenderer renderer (u/get-obj screen :renderer)
-              ^TiledMap m (.getMap renderer)]
-          (->> (.getLayers m)
-               (drop-while #(not= layer (.getName ^MapLayer %)))
-               first)))))
+        (->> ^BatchTiledMapRenderer (u/get-obj screen :renderer)
+             .getMap
+             .getLayers
+             (drop-while #(not= layer (.getName ^MapLayer %)))
+             first))))
 
 (defmacro tiled-map-layer
   "Returns a [TiledMapTileLayer](http://libgdx.badlogicgames.com/nightlies/docs/api/com/badlogic/gdx/maps/tiled/TiledMapTileLayer.html)