diff --git a/roles/robosignatory/files/sigul.production.conf b/roles/robosignatory/files/sigul.production.conf
index 6b4865e079..27ac0ab0a3 100644
--- a/roles/robosignatory/files/sigul.production.conf
+++ b/roles/robosignatory/files/sigul.production.conf
@@ -16,5 +16,4 @@ nss-min-tls: tls1.2
 nss-max-tls: tls1.2
 
 [binding]
-enabled: tpm
-tpm_nosrk: true
+enabled: keyctl