diff --git a/DESIGN b/DESIGN
index 40cb80a2..64561880 100644
--- a/DESIGN
+++ b/DESIGN
@@ -41,25 +41,3 @@ Core Layers:
 		* File		(include/core/file.h)
 		* Callbacks	(include/core/callback.h)
 		* Version	(include/core/version.h)
-
-
-
-Callbacks:
-	Callbacks are used to notify a unit test or the gui that something in
-	the backend has changed.  The callbacks structure should be initialized
-	with no-op default values and filled in by the user through the
-	get_callbacks() function.
-
-
-- Callback functions:
-	struct Callbacks {
-		void (*on_library_add)(unsigned int, library :: Library *);
-		void (*on_library_update)(unsigned int, library :: Library *);
-		void (*on_library_track_add)();
-	};
-
-	static struct Callbacks callbacks;
-
-- API:
-	struct Callbacks *get_callbacks();
-		Return the Callbacks structure;