INSTALL(CODE "EXECUTE_PROCESS(COMMAND \"${CMAKE_COMMAND}\" --build ${PROJECT_BINARY_DIR} --target html_docs_MGCleanerPlug)")
INSTALL(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docutils/ DESTINATION ${SALOME_INSTALL_DOC}/gui/SMESH/MGCleaner)
-SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES docutils)
\ No newline at end of file
+SET(make_clean_files docutils doctrees)
+SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${make_clean_files}")
\ No newline at end of file