diff --git a/math/vdt/Module.mk b/math/vdt/Module.mk
index 94e04caa9640c3e5da3f3daa764c088af707a814..29225f67fb66a2a39504add1fa075143d5a0cb5e 100644
--- a/math/vdt/Module.mk
+++ b/math/vdt/Module.mk
@@ -41,9 +41,8 @@ clean-$(MODNAME):
 	$(noop)
 
 clean:: clean-$(MODNAME)
-	$(noop)
 
 distclean-$(MODNAME): clean-$(MODNAME)
-	$(noop)
+	@rm -rf include/vdt
 
 distclean:: distclean-$(MODNAME)