Manually remove $(BUILT_SOURCES) since no-dist-built-sources doesnt work
diff --git a/test/netstd/Makefile.am b/test/netstd/Makefile.am
index 9712fc2..bd06cd4 100644
--- a/test/netstd/Makefile.am
+++ b/test/netstd/Makefile.am
@@ -32,6 +32,9 @@
 	$(RM) -r Server/obj
 	$(RM) -r ThriftTest/ThriftTest
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 EXTRA_DIST = \
 	Client \
 	README.md \