diff --git a/core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala b/core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala
index 853b1b53ddfc3..9f5c11deeb4dd 100644
--- a/core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala
+++ b/core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala
@@ -67,7 +67,6 @@ private[serializer] class GenericAvroSerializer(schemas: Map[Long, String])
     bos.toByteArray
   })
 
-
   /**
    * Decompresses the schema into the actual in-memory object. Keeps an internal cache of already
    * seen values so to limit the number of times that decompression has to be done.
diff --git a/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala b/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala
index 06271d9c590dd..3107a735e2e53 100644
--- a/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala
+++ b/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala
@@ -21,10 +21,10 @@ import java.io.{EOFException, IOException, InputStream, OutputStream}
 import java.nio.ByteBuffer
 import javax.annotation.Nullable
 
-import org.apache.avro.generic.{GenericData, GenericRecord}
-
 import scala.reflect.ClassTag
 
+import org.apache.avro.generic.{GenericData, GenericRecord}
+
 import com.esotericsoftware.kryo.{Kryo, KryoException}
 import com.esotericsoftware.kryo.io.{Input => KryoInput, Output => KryoOutput}
 import com.esotericsoftware.kryo.serializers.{JavaSerializer => KryoJavaSerializer}
@@ -34,7 +34,6 @@ import org.roaringbitmap.{ArrayContainer, BitmapContainer, RoaringArray, Roaring
 import org.apache.spark._
 import org.apache.spark.api.python.PythonBroadcast
 import org.apache.spark.broadcast.HttpBroadcast
-import org.apache.spark.io.CompressionCodec
 import org.apache.spark.network.nio.{GetBlock, GotBlock, PutBlock}
 import org.apache.spark.network.util.ByteUnit
 import org.apache.spark.scheduler.{CompressedMapStatus, HighlyCompressedMapStatus}