diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 087794b09f..41f9f03ccb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -919,7 +919,6 @@ set (PCH_SOURCES
 	i_time.cpp
 	info.cpp
 	keysections.cpp
-	lumpconfigfile.cpp
 	m_alloc.cpp
 	m_argv.cpp
 	m_bbox.cpp