diff --git a/base/base_tests/threads_test.cpp b/base/base_tests/threads_test.cpp
index 6a70938b63..5f2af4bf29 100644
--- a/base/base_tests/threads_test.cpp
+++ b/base/base_tests/threads_test.cpp
@@ -61,7 +61,10 @@ UNIT_TEST(Simple_Threads)
 
 class SomeClass
 {
+  DISALLOW_COPY(SomeClass);
+
 public:
+  SomeClass() {}
   void Increment(int * a, int b)
   {
     *a = *a + b;
diff --git a/base/thread.cpp b/base/thread.cpp
index 7ca97a895f..dc6a710b22 100644
--- a/base/thread.cpp
+++ b/base/thread.cpp
@@ -32,6 +32,10 @@ void RunRoutine(shared_ptr<IRoutine> routine)
 /////////////////////////////////////////////////////////////////////
 // Thread wrapper implementation
 
+Thread::Thread()
+{
+}
+
 Thread::~Thread()
 {
   // @todo (ygorshenin@): in general, it's not a good practice to
diff --git a/base/thread.hpp b/base/thread.hpp
index 2ec7b8b835..ab4b598064 100644
--- a/base/thread.hpp
+++ b/base/thread.hpp
@@ -40,7 +40,10 @@ class Thread
   thread m_thread;
   shared_ptr<IRoutine> m_routine;
 
+  DISALLOW_COPY(Thread);
+
 public:
+  Thread();
   ~Thread();
 
   /// Run thread immediately.
@@ -96,7 +99,7 @@ typedef thread::id ThreadID;
 
 ThreadID GetCurrentThreadID();
 
-/// A wrapper around a std thread which executes callable object in android envorinment
+/// A wrapper around a std thread which executes callable object in thread which is attached to JVM
 /// Class has the same interface as std::thread
 class SimpleThread
 {
@@ -120,9 +123,6 @@ public:
     return *this;
   }
 
-  SimpleThread(const SimpleThread &) = delete;
-  SimpleThread & operator= (const SimpleThread &) = delete;
-
   void detach() { m_thread.detach(); }
   id get_id() const noexcept { return m_thread.get_id(); }
   void join() { m_thread.join(); }
@@ -133,6 +133,8 @@ public:
 private:
   static void ThreadFunc(function<void()> fn);
 
+  DISALLOW_COPY(SimpleThread);
+
   thread m_thread;
 };
 }  // namespace threads