diff --git a/inventories/default.nix b/inventories/default.nix
index 81ca2cb..537658a 100644
--- a/inventories/default.nix
+++ b/inventories/default.nix
@@ -330,7 +330,6 @@
                 matrixRooms = [
                   {
                     receivers = [
-                      "default"
                       "matrix"
                     ];
                     roomId = "!rqIrWqPvsXqMgYpcNZ:matrix.org";
@@ -383,14 +382,9 @@
                         name = "matrix";
                         webhook_configs = [
                           {
-                            url = "http://localhost:3000/alerts";
-                            http_config = {
-                              basic_auth = {
-                                username = "kuroiris";
-                                password = "$${KUROIRIS_PASSWORD}";
-                              };
-                            };
+                            url = "http://localhost:3000/alerts?secret=$$KUROIRIS_SECRET";
                             send_resolved = true;
+
                           }
                         ];
                       }