diff --git a/pyproject.toml b/pyproject.toml
index db64d7a18c5..2081f7f87bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -118,7 +118,6 @@ module = [
   "matplotlib.*",
   "mpl_toolkits.*",
   "nc_time_axis.*",
-  "numbagg.*",
   "netCDF4.*",
   "netcdftime.*",
   "opt_einsum.*",
@@ -329,8 +328,7 @@ filterwarnings = [
   "default:the `pandas.MultiIndex` object:FutureWarning:xarray.tests.test_variable",
   "default:Using a non-tuple sequence for multidimensional indexing is deprecated:FutureWarning",
   "default:Duplicate dimension names present:UserWarning:xarray.namedarray.core",
-  "default:::xarray.tests.test_strategies",
-  # TODO: remove once we know how to deal with a changed signature in protocols
+  "default:::xarray.tests.test_strategies", # TODO: remove once we know how to deal with a changed signature in protocols
   "ignore:__array__ implementation doesn't accept a copy keyword, so passing copy=False failed.",
 ]
 
diff --git a/xarray/tests/test_plot.py b/xarray/tests/test_plot.py
index a44b621a981..5cdd164378e 100644
--- a/xarray/tests/test_plot.py
+++ b/xarray/tests/test_plot.py
@@ -3406,3 +3406,10 @@ def test_plot1d_filtered_nulls() -> None:
         actual = pc.get_offsets().shape[0]
 
         assert expected == actual
+
+
+import matplotlib.pyplot as plt
+
+data = xr.DataArray([1, 2, 3], dims=["x"])
+fig, ax = plt.subplots(ncols=1, nrows=1)
+data.plot(ax=ax)