diff --git a/db/version_edit.h b/db/version_edit.h
index 86b2f22..0de4531 100644
--- a/db/version_edit.h
+++ b/db/version_edit.h
@@ -83,7 +83,7 @@ class VersionEdit {
  private:
   friend class VersionSet;
 
-  typedef std::set<std::pair<int, uint64_t> > DeletedFileSet;
+  typedef std::set<std::pair<int, uint64_t>> DeletedFileSet;
 
   std::string comparator_;
   uint64_t log_number_;
@@ -96,9 +96,9 @@ class VersionEdit {
   bool has_next_file_number_;
   bool has_last_sequence_;
 
-  std::vector<std::pair<int, InternalKey> > compact_pointers_;
+  std::vector<std::pair<int, InternalKey>> compact_pointers_;
   DeletedFileSet deleted_files_;
-  std::vector<std::pair<int, FileMetaData> > new_files_;
+  std::vector<std::pair<int, FileMetaData>> new_files_;
 };
 
 }  // namespace leveldb
diff --git a/util/arena_test.cc b/util/arena_test.cc
index f34095c..e917228 100644
--- a/util/arena_test.cc
+++ b/util/arena_test.cc
@@ -14,7 +14,7 @@ class ArenaTest {};
 TEST(ArenaTest, Empty) { Arena arena; }
 
 TEST(ArenaTest, Simple) {
-  std::vector<std::pair<size_t, char*> > allocated;
+  std::vector<std::pair<size_t, char*>> allocated;
   Arena arena;
   const int N = 100000;
   size_t bytes = 0;