diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala
index 3f7232022a358..0f66aa816d96c 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala
@@ -127,7 +127,6 @@ class InMemoryFileIndex(
         case None =>
           pathsToFetch += path
       }
-      () // for some reasons scalac 2.12 needs this; return type doesn't matter
     }
     val filter = FileInputFormat.getInputPathFilter(new JobConf(hadoopConf, this.getClass))
     val discovered = InMemoryFileIndex.bulkListLeafFiles(