diff --git a/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxRuleApi.scala b/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxRuleApi.scala
index f152da885887..cbeb111d2f58 100644
--- a/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxRuleApi.scala
+++ b/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxRuleApi.scala
@@ -71,8 +71,6 @@ private object VeloxRuleApi {
     injector.injectTransform(_ => EliminateLocalSort)
     injector.injectTransform(_ => CollapseProjectExecTransformer)
     injector.injectTransform(c => FlushableHashAggregateRule.apply(c.session))
-    injector.injectTransform(
-      c => SparkPlanRules.extendedColumnarRule(c.conf.extendedColumnarTransformRules)(c.session))
     injector.injectTransform(c => InsertTransitions(c.outputsColumnar))
 
     // Gluten columnar: Fallback policies.
@@ -85,8 +83,6 @@ private object VeloxRuleApi {
       .getExtendedColumnarPostRules()
       .foreach(each => injector.injectPost(c => each(c.session)))
     injector.injectPost(c => ColumnarCollapseTransformStages(c.conf))
-    injector.injectTransform(
-      c => SparkPlanRules.extendedColumnarRule(c.conf.extendedColumnarPostRules)(c.session))
 
     // Gluten columnar: Final rules.
     injector.injectFinal(c => RemoveGlutenTableCacheColumnarToRow(c.session))
@@ -115,16 +111,12 @@ private object VeloxRuleApi {
     injector.inject(_ => EliminateLocalSort)
     injector.inject(_ => CollapseProjectExecTransformer)
     injector.inject(c => FlushableHashAggregateRule.apply(c.session))
-    injector.inject(
-      c => SparkPlanRules.extendedColumnarRule(c.conf.extendedColumnarTransformRules)(c.session))
     injector.inject(c => InsertTransitions(c.outputsColumnar))
     injector.inject(c => RemoveTopmostColumnarToRow(c.session, c.ac.isAdaptiveContext()))
     SparkShimLoader.getSparkShims
       .getExtendedColumnarPostRules()
       .foreach(each => injector.inject(c => each(c.session)))
     injector.inject(c => ColumnarCollapseTransformStages(c.conf))
-    injector.inject(
-      c => SparkPlanRules.extendedColumnarRule(c.conf.extendedColumnarPostRules)(c.session))
     injector.inject(c => RemoveGlutenTableCacheColumnarToRow(c.session))
     injector.inject(c => GlutenFallbackReporter(c.conf, c.session))
     injector.inject(_ => RemoveFallbackTagRule())
diff --git a/shims/common/src/main/scala/org/apache/gluten/GlutenConfig.scala b/shims/common/src/main/scala/org/apache/gluten/GlutenConfig.scala
index fa78060dad6c..9e5161fea472 100644
--- a/shims/common/src/main/scala/org/apache/gluten/GlutenConfig.scala
+++ b/shims/common/src/main/scala/org/apache/gluten/GlutenConfig.scala
@@ -1657,6 +1657,7 @@ object GlutenConfig {
       .booleanConf
       .createWithDefault(false)
 
+  // FIXME: This only works with CH backend.
   val EXTENDED_COLUMNAR_TRANSFORM_RULES =
     buildConf("spark.gluten.sql.columnar.extended.columnar.transform.rules")
       .withAlternative("spark.gluten.sql.columnar.extended.columnar.pre.rules")
@@ -1664,6 +1665,7 @@ object GlutenConfig {
       .stringConf
       .createWithDefaultString("")
 
+  // FIXME: This only works with CH backend.
   val EXTENDED_COLUMNAR_POST_RULES =
     buildConf("spark.gluten.sql.columnar.extended.columnar.post.rules")
       .doc("A comma-separated list of classes for the extended columnar post rules.")