diff --git a/spark/src/main/scala/org/apache/comet/serde/arrays.scala b/spark/src/main/scala/org/apache/comet/serde/arrays.scala
index eaecd1b49a..79df0625d8 100644
--- a/spark/src/main/scala/org/apache/comet/serde/arrays.scala
+++ b/spark/src/main/scala/org/apache/comet/serde/arrays.scala
@@ -120,22 +120,13 @@ object CometSortArray extends CometExpressionSerde[SortArray] with CodegenDispat
     "When `" + CometConf.COMET_EXEC_STRICT_FLOATING_POINT.key + "=true`, sorting on" +
       " floating-point types is not 100% compatible with Spark")
 
-  override def getUnsupportedReasons(): Seq[String] = Seq(
-    "Nested arrays with `Struct` or `Null` child values are not supported natively and will" +
-      " fall back to Spark.")
-
-  private def supportedSortArrayElementType(
-      dt: DataType,
-      nestedInArray: Boolean = false): Boolean = {
+  private def supportedSortArrayElementType(dt: DataType): Boolean = {
     dt match {
-      // DataFusion's array_sort compares nested arrays through Arrow's rank kernel.
-      // That kernel does not support Struct or Null child values,
-      // so array<array<struct<...>>> and array<array<null>> would fail at runtime.
-      case _: NullType if !nestedInArray =>
+      case _: NullType =>
         true
       case ArrayType(elementType, _) =>
-        supportedSortArrayElementType(elementType, nestedInArray = true)
-      case StructType(fields) if !nestedInArray =>
+        supportedSortArrayElementType(elementType)
+      case StructType(fields) =>
         fields.forall(f => supportedSortArrayElementType(f.dataType))
       case _ =>
         supportedScalarSortElementType(dt)
diff --git a/spark/src/test/resources/sql-tests/expressions/array/sort_array.sql b/spark/src/test/resources/sql-tests/expressions/array/sort_array.sql
index 1ced53394d..6bc7b07f0f 100644
--- a/spark/src/test/resources/sql-tests/expressions/array/sort_array.sql
+++ b/spark/src/test/resources/sql-tests/expressions/array/sort_array.sql
@@ -295,10 +295,10 @@ INSERT INTO test_sort_array_nested_struct VALUES
   (array()),
   (NULL)
 
-query expect_fallback(Sort on array element type ArrayType(StructType(StructField(a,IntegerType)
+query
 SELECT sort_array(arr) FROM test_sort_array_nested_struct
 
-query expect_fallback(Sort on array element type ArrayType(StructType(StructField(a,IntegerType)
+query
 SELECT sort_array(arr, false) FROM test_sort_array_nested_struct
 
 -- literal arguments
@@ -391,7 +391,7 @@ SELECT
   sort_array(array(NULL, NULL)),
   sort_array(cast(NULL as array<int>))
 
-query expect_fallback(Sort on array element type ArrayType(StructType(StructField(a,IntegerType)
+query
 SELECT sort_array(
   array(
     array(named_struct('a', 2)),