diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
index 78c145d4fd93668f0647f29dd58fb43e1030e56e..8affb033d8287a0cd8d11cf93c14750d0d2ef38b 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
@@ -30,7 +30,7 @@ import org.apache.spark.unsafe.types.{CalendarInterval, UTF8String}
  * for classes whose fields are entirely defined by constructor params but should not be
  * case classes.
  */
-private[sql] trait DefinedByConstructorParams
+trait DefinedByConstructorParams
 
 
 /**