diff --git a/src/config.js b/src/config.js
index f0bbaeb79..249542366 100644
--- a/src/config.js
+++ b/src/config.js
@@ -41,7 +41,6 @@ exports = module.exports = {
     // feature flags based on editions (these have a separate license from standard edition)
     isSpacesEnabled: isSpacesEnabled,
     allowHyphenatedSubdomains: allowHyphenatedSubdomains,
-    isAdminDomainLocked: isAdminDomainLocked,
 
     // for testing resets to defaults
     _reset: _reset
@@ -227,10 +226,6 @@ function allowHyphenatedSubdomains() {
     return get('edition') === 'hostingprovider' || get('provider') === 'caas';
 }
 
-function isAdminDomainLocked() {
-    return get('edition') === 'hostingprovider';
-}
-
 function provider() {
     return get('provider');
 }
diff --git a/src/domains.js b/src/domains.js
index 6f7f7d98f..f8f5a24ef 100644
--- a/src/domains.js
+++ b/src/domains.js
@@ -240,7 +240,7 @@ function add(domain, zoneName, provider, dnsConfig, fallbackCertificate, tlsConf
 }
 
 function isLocked(domain) {
-    return domain === config.adminDomain() && config.isAdminDomainLocked();
+    return domain === config.adminDomain() && config.edition() === 'hostingprovider';
 }
 
 function get(domain, callback) {