diff --git a/SWIG/Examples/test-suite/csharp/Makefile.in b/SWIG/Examples/test-suite/csharp/Makefile.in
index c57467601..2ff489db5 100644
--- a/SWIG/Examples/test-suite/csharp/Makefile.in
+++ b/SWIG/Examples/test-suite/csharp/Makefile.in
@@ -82,4 +82,4 @@ run_testcase = \
 	fi;
 
 clean:
-	@rm -f *.exe
+	@rm -f *.exe *.exe.mdb