diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index ed88e65c4f0ff..f1ecaaa619c65 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -1,3 +1,4 @@
+// ignore-tidy-filelength
 // Local js definitions:
 /* global addClass, getSettingValue, hasClass */
 /* global onEach, onEachLazy, hasOwnProperty, removeClass, updateLocalStorage */