diff --git a/3rdparty/cpprestsdk/samples/OAuth2Live/pch.cpp b/3rdparty/cpprestsdk/samples/OAuth2Live/pch.cpp
deleted file mode 100644
index f3963b9b14c808e19dd322d92d1ead6c94d2c60c..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/OAuth2Live/pch.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-//
-// pch.cpp
-// Include the standard header and generate the precompiled header.
-//
-
-#include "pch.h"