diff --git a/dbms/src/Server/Server.cpp b/dbms/src/Server/Server.cpp
index c0c46b2e539..aabca11cf9c 100644
--- a/dbms/src/Server/Server.cpp
+++ b/dbms/src/Server/Server.cpp
@@ -1579,4 +1579,4 @@ int mainEntryClickHouseServer(int argc, char ** argv)
         auto code = DB::getCurrentExceptionCode();
         return code ? code : 1;
     }
-}
\ No newline at end of file
+}
diff --git a/dbms/src/Storages/BackgroundProcessingPool.h b/dbms/src/Storages/BackgroundProcessingPool.h
index 9fc0213dee0..49a01b3a397 100644
--- a/dbms/src/Storages/BackgroundProcessingPool.h
+++ b/dbms/src/Storages/BackgroundProcessingPool.h
@@ -129,4 +129,4 @@ class BackgroundProcessingPool
 
 using BackgroundProcessingPoolPtr = std::shared_ptr<BackgroundProcessingPool>;
 
-} // namespace DB
\ No newline at end of file
+} // namespace DB
diff --git a/dbms/src/TestUtils/TiFlashTestEnv.cpp b/dbms/src/TestUtils/TiFlashTestEnv.cpp
index 363ebe84541..0d10e1c20d9 100644
--- a/dbms/src/TestUtils/TiFlashTestEnv.cpp
+++ b/dbms/src/TestUtils/TiFlashTestEnv.cpp
@@ -120,4 +120,4 @@ void TiFlashTestEnv::setupLogger(const String & level, std::ostream & os)
     Poco::Logger::root().setChannel(formatting_channel);
     Poco::Logger::root().setLevel(level);
 }
-} // namespace DB::tests
\ No newline at end of file
+} // namespace DB::tests