diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
index 9d9b020309d9f..a89ccca99d059 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
@@ -423,11 +423,6 @@ abstract class SparkPlan extends QueryPlan[SparkPlan] with Logging with Serializ
   }
 }
 
-object SparkPlan {
-  private[execution] val subqueryExecutionContext = ExecutionContext.fromExecutorService(
-    ThreadUtils.newDaemonCachedThreadPool("subquery", 16))
-}
-
 trait LeafExecNode extends SparkPlan {
   override final def children: Seq[SparkPlan] = Nil
   override def producedAttributes: AttributeSet = outputSet