diff --git a/lang/cem/ctest/ctprof/makefile b/lang/cem/ctest/ctprof/makefile
index 012a5c5e5..ff93d68d6 100644
--- a/lang/cem/ctest/ctprof/makefile
+++ b/lang/cem/ctest/ctprof/makefile
@@ -23,6 +23,6 @@ opr:
 	make pr | opr
 
 clean:
-	-rm -f *.[kosme] *.old em_last em_runinf
+	-rm -f *.[kosme] *.old em_last em_runinf core tp.cem.r e.out a.out tp.cem
 
 transI transM cmpI cmpM: