diff --git a/.arcconfig b/.arcconfig
--- a/.arcconfig
+++ b/.arcconfig
@@ -1,5 +1,4 @@
 {
-	"repository.callsign" : "S",
 	"phabricator.uri" : "https://reviews.freebsd.org/",
 	"arc.land.onto.default": "main",
 	"arc.land.onto": ["main"]