diff --git a/scalastyle-config.xml b/scalastyle-config.xml
index a0098169a024..c1fdfb620e6b 100644
--- a/scalastyle-config.xml
+++ b/scalastyle-config.xml
@@ -97,7 +97,7 @@
  <!-- <check level="error" class="org.scalastyle.scalariform.NullChecker" enabled="true"></check> -->
  <!-- <check level="error" class="org.scalastyle.scalariform.NoCloneChecker" enabled="true"></check> -->
  <!-- <check level="error" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check> -->
- <!-- <check level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check> -->
+  <check level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>
  <!-- <check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check> -->
  <!-- <check level="error" class="org.scalastyle.file.RegexChecker" enabled="true"> -->
  <!--  <parameters> -->
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala b/sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala
index 8b3e1b2b59bf..e439a18ac43a 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala
@@ -155,7 +155,7 @@ private[sql] class ParquetRelation2(
     meta
   }
 
-  override def equals(other: scala.Any): Boolean = other match {
+  override def equals(other: Any): Boolean = other match {
     case that: ParquetRelation2 =>
       val schemaEquality = if (shouldMergeSchemas) {
         this.shouldMergeSchemas == that.shouldMergeSchemas
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
index 47b85731587d..ca1f49b546bd 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
@@ -596,7 +596,7 @@ private[hive] case class MetastoreRelation
 
   self: Product =>
 
-  override def equals(other: scala.Any): Boolean = other match {
+  override def equals(other: Any): Boolean = other match {
     case relation: MetastoreRelation =>
       databaseName == relation.databaseName &&
         tableName == relation.tableName &&