diff --git a/doc/user-guide/io.rst b/doc/user-guide/io.rst
index 1cee4597836..bd252fd5315 100644
--- a/doc/user-guide/io.rst
+++ b/doc/user-guide/io.rst
@@ -1451,11 +1451,3 @@ For CSV files, one might also consider `xarray_extras`_.
 .. _xarray_extras: https://xarray-extras.readthedocs.io/en/latest/api/csv.html
 
 .. _IO tools: https://pandas.pydata.org/pandas-docs/stable/user_guide/io.html
-
-
-Third party libraries
----------------------
-
-More formats are supported by extension libraries:
-
-- `xarray-mongodb <https://xarray-mongodb.readthedocs.io/en/latest/>`_: Store xarray objects on MongoDB