diff --git a/src/java/com/threerings/media/tile/TileManager.java b/src/java/com/threerings/media/tile/TileManager.java
index 5f66b057..0fbcac0f 100644
--- a/src/java/com/threerings/media/tile/TileManager.java
+++ b/src/java/com/threerings/media/tile/TileManager.java
@@ -123,6 +123,14 @@ public class TileManager
         return uts;
     }
 
+    /**
+     * Clears any cached tilesets.
+     */
+    public void clearCache ()
+    {
+        _handcache = new HashMap();
+    }
+
     /**
      * Sets the tileset repository that will be used by the tile manager
      * when tiles are requested by tileset id.