remove boost::thread and boost::mutex code
diff --git a/lib/cpp/test/TNonblockingServerTest.cpp b/lib/cpp/test/TNonblockingServerTest.cpp
index 63d8a04..5e10907 100644
--- a/lib/cpp/test/TNonblockingServerTest.cpp
+++ b/lib/cpp/test/TNonblockingServerTest.cpp
@@ -148,7 +148,7 @@
 
     shared_ptr<ThreadFactory> threadFactory(
         new PlatformThreadFactory(
-#if !USE_BOOST_THREAD && !USE_STD_THREAD
+#if !USE_STD_THREAD
             PlatformThreadFactory::OTHER, PlatformThreadFactory::NORMAL,
             1,
 #endif