diff --git a/tests/playgrounds/screenshot.js b/tests/playgrounds/screenshot.js
index 59d0594e2..6b2b22e3e 100644
--- a/tests/playgrounds/screenshot.js
+++ b/tests/playgrounds/screenshot.js
@@ -91,6 +91,7 @@ function workspaceToSvg_(workspace, callback, customCss) {
   svgToPng_(data, width, height, callback);
 }
 
+/* eslint-disable no-unused-vars */
 /**
  * Download a screenshot of the blocks on a Blockly workspace.
  * @param {!Blockly.WorkspaceSvg} workspace The Blockly workspace.
@@ -106,3 +107,4 @@ function downloadScreenshot(workspace) {
     a.parentNode.removeChild(a);
   });
 }
+/* eslint-enable */