diff --git a/shell/browser/net/proxying_websocket.h b/shell/browser/net/proxying_websocket.h
index 955be094207..8940757adaa 100644
--- a/shell/browser/net/proxying_websocket.h
+++ b/shell/browser/net/proxying_websocket.h
@@ -111,8 +111,6 @@ class ProxyingWebSocket : public network::mojom::WebSocketHandshakeClient,
       content::BrowserContext* browser_context,
       uint64_t* request_id_generator);
 
-  WebRequestAPI* web_request_api() { return web_request_api_; }
-
  private:
   void OnBeforeRequestComplete(int error_code);
   void OnBeforeSendHeadersComplete(const std::set<std::string>& removed_headers,