diff --git a/python/pyspark/context.py b/python/pyspark/context.py
index 8d27ccb95f82cabe73c58a8d09ddbc595f7043b0..5f8dcedb1eea27a42d96e75171f96729637be3be 100644
--- a/python/pyspark/context.py
+++ b/python/pyspark/context.py
@@ -43,7 +43,6 @@ __all__ = ['SparkContext']
 # These are special default configs for PySpark, they will overwrite
 # the default ones for Spark if they are not configured by user.
 DEFAULT_CONFIGS = {
-    "spark.serializer": "org.apache.spark.serializer.KryoSerializer",
     "spark.serializer.objectStreamReset": 100,
     "spark.rdd.compress": True,
 }