diff --git a/core/src/main/scala/org/apache/spark/rdd/PipedRDD.scala b/core/src/main/scala/org/apache/spark/rdd/PipedRDD.scala
index 56ac7a69be0d3..ed79032893d33 100644
--- a/core/src/main/scala/org/apache/spark/rdd/PipedRDD.scala
+++ b/core/src/main/scala/org/apache/spark/rdd/PipedRDD.scala
@@ -63,7 +63,7 @@ private[spark] class PipedRDD[T: ClassTag](
 
   /**
    * A FilenameFilter that accepts anything that isn't equal to the name passed in.
-   * @param name of file or directory to leave out
+   * @param filterName of file or directory to leave out
    */
   class NotEqualsFileNameFilter(filterName: String) extends FilenameFilter {
     def accept(dir: File, name: String): Boolean = {
diff --git a/core/src/test/scala/org/apache/spark/ShuffleSuite.scala b/core/src/test/scala/org/apache/spark/ShuffleSuite.scala
index 85e5f9ab444b3..5d20b4dc1561a 100644
--- a/core/src/test/scala/org/apache/spark/ShuffleSuite.scala
+++ b/core/src/test/scala/org/apache/spark/ShuffleSuite.scala
@@ -270,7 +270,6 @@ object ShuffleSuite {
 
   def mergeCombineException(x: Int, y: Int): Int = {
     throw new SparkException("Exception for map-side combine.")
-    x + y
   }
 
   class NonJavaSerializableClass(val value: Int) extends Comparable[NonJavaSerializableClass] {
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala
index d39413a44a6cb..8bbcd6fec1f3b 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala
@@ -38,7 +38,7 @@ import org.apache.spark.sql.hive._
  * :: DeveloperApi ::
  * The Hive table scan operator.  Column and partition pruning are both handled.
  *
- * @param attributes Attributes to be fetched from the Hive table.
+ * @param requestedAttributes Attributes to be fetched from the Hive table.
  * @param relation The Hive table be be scanned.
  * @param partitionPruningPred An optional partition pruning predicate for partitioned table.
  */