diff --git a/pytriqs/CMakeLists.txt b/pytriqs/CMakeLists.txt
index 6fbcbd46..c2504c86 100644
--- a/pytriqs/CMakeLists.txt
+++ b/pytriqs/CMakeLists.txt
@@ -22,3 +22,5 @@ install (FILES ${PYTHON_SOURCES} DESTINATION ${TRIQS_PYTHON_LIB_DEST})
 
 add_all_subdirectories_with_cmakelist()
 
+add_custom_target(wrap_clean COMMAND find ${CMAKE_BINARY_DIR} -name \"*.cpp\" |xargs rm)
+