diff --git a/src/slic3r/CMakeLists.txt b/src/slic3r/CMakeLists.txt
index e74b169..d0db2aa 100644
--- a/src/slic3r/CMakeLists.txt
+++ b/src/slic3r/CMakeLists.txt
@@ -18,8 +18,6 @@ set(SLIC3R_GUI_SOURCES
     GUI/BitmapCache.hpp
     GUI/Widgets/StateColor.cpp
     GUI/Widgets/StateColor.hpp
-    GUI/Widgets/WebView.cpp
-    GUI/Widgets/WebView.hpp
     GUI/ConfigSnapshotDialog.cpp
     GUI/ConfigSnapshotDialog.hpp
     GUI/3DScene.cpp