diff --git a/googletest/include/gtest/internal/gtest-port.h b/googletest/include/gtest/internal/gtest-port.h
index b1cae906..7162e6e1 100644
--- a/googletest/include/gtest/internal/gtest-port.h
+++ b/googletest/include/gtest/internal/gtest-port.h
@@ -1530,7 +1530,7 @@ class ThreadLocal : public ThreadLocalBase {
   explicit ThreadLocal(const T& value)
       : default_factory_(new InstanceValueHolderFactory(value)) {}
 
-  ~ThreadLocal() { ThreadLocalRegistry::OnThreadLocalDestroyed(this); }
+  ~ThreadLocal() override { ThreadLocalRegistry::OnThreadLocalDestroyed(this); }
 
   T* pointer() { return GetOrCreateValue(); }
   const T* pointer() const { return GetOrCreateValue(); }
@@ -1559,7 +1559,7 @@ class ThreadLocal : public ThreadLocalBase {
         ->pointer();
   }
 
-  virtual ThreadLocalValueHolderBase* NewValueForCurrentThread() const {
+  ThreadLocalValueHolderBase* NewValueForCurrentThread() const override {
     return default_factory_->MakeNewHolder();
   }