Manually remove $(BUILT_SOURCES) since no-dist-built-sources doesnt work
diff --git a/tutorial/go/Makefile.am b/tutorial/go/Makefile.am
index b2f70ce..16385b0 100644
--- a/tutorial/go/Makefile.am
+++ b/tutorial/go/Makefile.am
@@ -45,6 +45,9 @@
 clean-local:
 	$(RM) -r gen-* go-tutorial calculator-remote
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 EXTRA_DIST = \
 	src/client.go \
 	src/handler.go \