diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
index 3b6374e712c66..15275be00f31e 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
@@ -535,8 +535,7 @@ object SQLConf {
   val COLUMN_VECTOR_OFFHEAP_ENABLED =
     buildConf("spark.sql.columnVector.offheap.enabled")
       .internal()
-      .doc("When true, use OffHeapColumnVector in ColumnarBatch. " +
-        s"Defaults to $MEMORY_OFFHEAP_ENABLED.")
+      .doc("When true, use OffHeapColumnVector in ColumnarBatch.")
       .version("2.3.0")
       .fallbackConf(MEMORY_OFFHEAP_ENABLED)