diff --git a/stmtools/stm.py b/stmtools/stm.py
index fa49bda..5aa3e8a 100644
--- a/stmtools/stm.py
+++ b/stmtools/stm.py
@@ -7,7 +7,6 @@
 import dask.array as da
 import geopandas as gpd
 import numpy as np
-import pandas as pd
 import pymorton as pm
 import xarray as xr
 import warnings