diff --git a/base/base_tests/optional_lock_guard_tests.cpp b/base/base_tests/optional_lock_guard_tests.cpp
index 751051f0b0..96c757bd43 100644
--- a/base/base_tests/optional_lock_guard_tests.cpp
+++ b/base/base_tests/optional_lock_guard_tests.cpp
@@ -20,4 +20,3 @@ UNIT_TEST(OptionalLockGuard_Smoke)
   base::OptionalLockGuard<std::mutex> guard(empty);
 }
 }  // namespace
-
diff --git a/base/optional_lock_guard.hpp b/base/optional_lock_guard.hpp
index ac7254eba4..c58e37a73a 100644
--- a/base/optional_lock_guard.hpp
+++ b/base/optional_lock_guard.hpp
@@ -18,4 +18,4 @@ public:
 private:
   std::optional<std::lock_guard<Mutex>> m_optionalGuard;
 };
-}
+}  // namespace base