diff --git a/lib/cpp/src/thrift/concurrency/Mutex.h b/lib/cpp/src/thrift/concurrency/Mutex.h
index 123ae78..5e0f85b 100644
--- a/lib/cpp/src/thrift/concurrency/Mutex.h
+++ b/lib/cpp/src/thrift/concurrency/Mutex.h
@@ -22,7 +22,6 @@
 
 #include <memory>
 #include <boost/noncopyable.hpp>
-#include <stdint.h>
 
 namespace apache {
 namespace thrift {
diff --git a/lib/cpp/src/thrift/concurrency/ThreadFactory.h b/lib/cpp/src/thrift/concurrency/ThreadFactory.h
index f317afc..a1547a6 100644
--- a/lib/cpp/src/thrift/concurrency/ThreadFactory.h
+++ b/lib/cpp/src/thrift/concurrency/ThreadFactory.h
@@ -65,11 +65,6 @@
    */
   Thread::id_t getCurrentThreadId() const;
 
-  /**
-   * For code readability define the unknown/undefined thread id
-   */
-  static const Thread::id_t unknown_thread_id;
-
 private:
   bool detached_;
 };
diff --git a/lib/cpp/src/thrift/concurrency/TimerManager.h b/lib/cpp/src/thrift/concurrency/TimerManager.h
index 4d73b00..e09ecf2 100644
--- a/lib/cpp/src/thrift/concurrency/TimerManager.h
+++ b/lib/cpp/src/thrift/concurrency/TimerManager.h
@@ -26,7 +26,6 @@
 
 #include <memory>
 #include <map>
-#include <time.h>
 
 namespace apache {
 namespace thrift {