diff --git a/3rdparty/cpprestsdk/src/pplx/pplxlinux.cpp b/3rdparty/cpprestsdk/src/pplx/pplxlinux.cpp
deleted file mode 100644
index f33957cabb8eaa329581e4c96347a0889f5958f5..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/src/pplx/pplxlinux.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/***
-* ==++==
-*
-* Copyright (c) Microsoft Corporation. All rights reserved.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-* ==--==
-* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-*
-* Parallel Patterns Library - Linux version
-*
-* For the latest on this and related APIs, please see http://casablanca.codeplex.com.
-*
-* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
-****/
-
-#include "stdafx.h"
-#include "pplx/pplx.h"
-#include "pplx/threadpool.h"
-#include "sys/syscall.h"
-
-#ifdef _WIN32
-#error "ERROR: This file should only be included in non-windows Build"
-#endif
-
-namespace pplx
-{
-
-namespace details {
-
-    namespace platform
-    {
-        _PPLXIMP long GetCurrentThreadId()
-        {
-            return reinterpret_cast<long>(reinterpret_cast<void*>(pthread_self()));
-        }
-
-        _PPLXIMP void YieldExecution()
-        {
-            boost::this_thread::yield();
-        }
-    }
-
-    _PPLXIMP void linux_scheduler::schedule(TaskProc_t proc, void* param)
-    {
-        crossplat::threadpool::shared_instance().schedule(boost::bind(proc, param));
-    }
-
-} // namespace details
-
-} // namespace pplx