diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -26,7 +26,6 @@ SET(libftgl_la_SOURCES
FTGlyphContainer.h
FTInternals.h
FTLibrary.cpp
- FTLibrary.h
FTList.h
FTPoint.cpp
FTSize.cpp