diff --git a/src/OpenMesh/Core/CMakeLists.txt b/src/OpenMesh/Core/CMakeLists.txt
index 67c37ea1..83b11eb2 100644
--- a/src/OpenMesh/Core/CMakeLists.txt
+++ b/src/OpenMesh/Core/CMakeLists.txt
@@ -3,7 +3,6 @@ include (ACGCommon)
 include_directories (
   ../..
   ${CMAKE_CURRENT_SOURCE_DIR}
-  ${CMAKE_CURRENT_SOURCE_DIR}/src
 )
 
 # source code directories