diff --git a/.isort.cfg b/.isort.cfg
index dd9ab8f..58e999c 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -1,2 +1,2 @@
 [settings]
-known_third_party = numpy,pytest,requests,setuptools,xpublish,xarray,shapely,fastapi,pydantic,cf_xarray,rioxarray,Pillow,matplotlib
+known_third_party = numpy,pytest,requests,setuptools,xpublish,xarray,shapely,fastapi,pydantic,cf_xarray,Pillow,matplotlib
diff --git a/xpublish_wms/wms/get_map.py b/xpublish_wms/wms/get_map.py
index ae7c78a..e936de6 100644
--- a/xpublish_wms/wms/get_map.py
+++ b/xpublish_wms/wms/get_map.py
@@ -11,7 +11,6 @@
 import matplotlib.cm as cm
 import numpy as np
 import pandas as pd
-import rioxarray  # noqa
 import xarray as xr
 from fastapi.responses import StreamingResponse