diff --git a/lib/cpp/src/async/TAsyncChannel.h b/lib/cpp/src/async/TAsyncChannel.h
index d5cd419..75629ee 100644
--- a/lib/cpp/src/async/TAsyncChannel.h
+++ b/lib/cpp/src/async/TAsyncChannel.h
@@ -31,8 +31,6 @@
 namespace apache { namespace thrift { namespace async {
 using apache::thrift::transport::TMemoryBuffer;
 
-class TAsyncTransport;
-
 class TAsyncChannel {
  public:
   typedef std::tr1::function<void()> VoidCallback;