diff --git a/doc/conf.py b/doc/conf.py
index 2ac88b22371..3bf487e4882 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -259,7 +259,7 @@
     Theme by the <a href="https://ebp.jupyterbook.org">Executable Book Project</a></p>""",
     twitter_url="https://twitter.com/xarray_dev",
     icon_links=[],  # workaround for pydata/pydata-sphinx-theme#1220
-    announcement="<a href='https://forms.gle/KEq7WviCdz9xTaJX6'>Xarray's 2024 User Survey is live now. Please take ~5 minutes to fill it out and help us improve Xarray.</a>",
+    # announcement="<a href='https://forms.gle/KEq7WviCdz9xTaJX6'>Xarray's 2024 User Survey is live now. Please take ~5 minutes to fill it out and help us improve Xarray.</a>",
 )
 
 
diff --git a/properties/test_index_manipulation.py b/properties/test_index_manipulation.py
index 77b7fcbcd99..3722a657813 100644
--- a/properties/test_index_manipulation.py
+++ b/properties/test_index_manipulation.py
@@ -1,4 +1,5 @@
 import itertools
+import warnings
 
 import numpy as np
 import pytest
@@ -184,7 +185,10 @@ def drop_dims(self, data):
             )
         )
         note(f"> drop_dims: {dims}")
-        self.dataset = self.dataset.drop_dims(dims)
+        # TODO: dropping a multi-index dimension raises a DeprecationWarning
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", category=DeprecationWarning)
+            self.dataset = self.dataset.drop_dims(dims)
 
         for dim in dims:
             if dim in self.indexed_dims: