diff --git a/App/App.pro b/App/App.pro
index 6d1a5d574ac4165031b66eec70dd19909248e4ba..482e38bcf9ade8c990b321c2ee250c7cfb4fb8de 100644
--- a/App/App.pro
+++ b/App/App.pro
@@ -187,6 +187,7 @@ rootcint.depends      = $$CREATE_ROOT_DICT_FOR_CLASSES
 rootcintecho.commands = @echo "Generating dictionary $$rootcint.target for $$CREATE_ROOT_DICT_FOR_CLASSES classes"
 QMAKE_EXTRA_TARGETS += rootcintecho rootcint
 QMAKE_CLEAN       +=  src/$${ROOT_CINT_TARGET}Dict.cpp src/$${ROOT_CINT_TARGET}Dict.h
+QMAKE_DISTCLEAN  += $$PWD/obj/*.o
 
 
 
diff --git a/Core/Core.pro b/Core/Core.pro
index e1f78dcc75e9d4b781a47515f7663e833afed031..957fcf639eb32df0be49bbe08089c50fb690eff5 100644
--- a/Core/Core.pro
+++ b/Core/Core.pro
@@ -368,6 +368,6 @@ INSTALLS += target
 #QMAKE_DISTCLEAN += -r $$includes.path
 #QMAKE_DISTCLEAN += $$MYPREFIX/inc/ScattCore
 QMAKE_DISTCLEAN += $$target.path/$(TARGET)
-
+QMAKE_DISTCLEAN  += $$PWD/obj/*.o
 QMAKE_POST_LINK = (make install)