diff --git a/src/Handler.php b/src/Handler.php
index 81130bd467a7982da474493f9468a8553579cec8..37fa4d1b9a7cd80a86ec738b1de5471a1748c5cb 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -303,6 +303,11 @@ class Handler extends BaseHandler {
       }
       $this->config->setValue('alerta', $alerta, FALSE);
     }
+
+    // Turn off basic auth in local dev environment.
+    if ($this->isLocalDevMode()) {
+      $this->config->setValue('basicauth', ['enable' => FALSE], FALSE);
+    }
   }
 
   /**