diff --git a/thirdparty/zipFS/CMakeLists.txt b/thirdparty/zipFS/CMakeLists.txt
index 73f9f9ff8..d366d6b9c 100644
--- a/thirdparty/zipFS/CMakeLists.txt
+++ b/thirdparty/zipFS/CMakeLists.txt
@@ -1,6 +1,4 @@
 set(SOURCES
-    stdafx.cpp
-    zfs.cpp
     zfsystem.cpp
     zstream.cpp
     ziphdr.cpp)