diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 10bfb50908d1e22eb6216598f2dd90e7be678e69..de226ccc2c542b721be85dbcb47a819d4ea3b5e4 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -322,18 +322,6 @@ Contact: Daniel Vetter, Noralf Tronnes
 
 Level: Advanced
 
-idr_init_base()
----------------
-
-DRM core&drivers uses a lot of idr (integer lookup directories) for mapping
-userspace IDs to internal objects, and in most places ID=0 means NULL and hence
-is never used. Switching to idr_init_base() for these would make the idr more
-efficient.
-
-Contact: Daniel Vetter
-
-Level: Starter
-
 struct drm_gem_object_funcs
 ---------------------------