diff --git a/config.php b/config.php
index 8eca2a8..61d8b84 100644
--- a/config.php
+++ b/config.php
@@ -4,25 +4,16 @@ return [
 
     /*
     |--------------------------------------------------------------------------
-    | MCP Portal Domain(s)
+    | MCP Portal Domain
     |--------------------------------------------------------------------------
     |
-    | The domain(s) where the MCP Portal is served. Routes are registered for
-    | each domain in the 'domains' array.
-    |
-    | Production: mcp.host.uk.com
-    | Local dev:  mcp.host.test, mcp.lthn.test (Valet)
-    |
-    | Set MCP_DOMAINS as a comma-separated list for multiple domains.
+    | Default domain for the MCP Portal. The app-level Boot may override this
+    | with a wildcard (e.g. mcp.{tld}) for multi-domain support.
     |
     */
 
     'domain' => env('MCP_DOMAIN', 'mcp.'.env('APP_DOMAIN', 'host.uk.com')),
 
-    'domains' => array_filter(array_map('trim', explode(',',
-        env('MCP_DOMAINS', env('MCP_DOMAIN', 'mcp.'.env('APP_DOMAIN', 'host.uk.com')))
-    ))),
-
     /*
     |--------------------------------------------------------------------------
     | Registry Path