diff --git a/joblibspark/backend.py b/joblibspark/backend.py
index 1841d91..ab509ac 100644
--- a/joblibspark/backend.py
+++ b/joblibspark/backend.py
@@ -36,7 +36,6 @@
 from py4j.clientserver import ClientServer
 
 import pyspark
-from pyspark.sql import SparkSession
 from pyspark import cloudpickle
 from pyspark.util import VersionUtils