diff --git a/projects/jupyter-collaboration/jupyter_collaboration/__init__.py b/projects/jupyter-collaboration/jupyter_collaboration/__init__.py
index cfaf00cf..9f054691 100644
--- a/projects/jupyter-collaboration/jupyter_collaboration/__init__.py
+++ b/projects/jupyter-collaboration/jupyter_collaboration/__init__.py
@@ -1,13 +1,4 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
-from warnings import warn
-
-# for backward compatibility
-from jupyter_server_ydoc import *  # noqa
 
 from ._version import __version__  # noqa
-
-warn(
-    "Importing `jupyter_collaboration` is discouraged; migrate to `jupyter_server_ydoc` instead.",
-    DeprecationWarning,
-)