diff --git a/docs/readthedocs/source/doc/UserGuide/databricks.md b/docs/readthedocs/source/doc/UserGuide/databricks.md
index 32c13e8d..642b59ab 100644
--- a/docs/readthedocs/source/doc/UserGuide/databricks.md
+++ b/docs/readthedocs/source/doc/UserGuide/databricks.md
@@ -51,14 +51,7 @@ On the cluster configuration page, click the **Advanced Options** toggle. Click
 See below for an example of Spark config setting needed by BigDL. Here it sets 2 core per executor. Note that "spark.cores.max" needs to be properly set below.
 
 ```
-spark.shuffle.reduceLocality.enabled false
-spark.serializer org.apache.spark.serializer.JavaSerializer
-spark.shuffle.blockTransferService nio
-spark.databricks.delta.preview.enabled true
 spark.executor.cores 2
-spark.speculation false
-spark.scheduler.minRegisteredResourcesRatio 1.0
-spark.scheduler.maxRegisteredResourcesWaitingTime 3600s
 spark.cores.max 4
 ```