diff --git a/lib/Server.js b/lib/Server.js
index 7dfac5e169..ad590d45a9 100644
--- a/lib/Server.js
+++ b/lib/Server.js
@@ -196,7 +196,6 @@ const schema = require("./options.json");
  * @property {boolean | "sockjs" | "ws" | string | WebSocketServerConfiguration} [webSocketServer]
  * @property {ProxyConfigMap | ProxyConfigArrayItem | ProxyConfigArray} [proxy]
  * @property {boolean | string | Open | Array<string | Open>} [open]
- * @property {boolean} [setupExitSignals]
  * @property {boolean | ClientConfiguration} [client]
  * @property {Headers | ((req: Request, res: Response, context: DevMiddlewareContext<Request, Response>) => Headers)} [headers]
  * @property {(devServer: Server) => void} [onAfterSetupMiddleware]