diff --git a/tests/editor/standardeditor.js b/tests/editor/standardeditor.js
index 4672271f..dd442909 100644
--- a/tests/editor/standardeditor.js
+++ b/tests/editor/standardeditor.js
@@ -345,6 +345,9 @@ describe( 'StandardEditor', () => {
 		} );
 
 		it( 'should not replace submit() method when one of the elements in a form is named "submit"', () => {
+			// Restore stub since we want to mask submit function with input with name="submit".
+			submitStub.restore();
+
 			const input = document.createElement( 'input' );
 			input.setAttribute( 'name', 'submit' );
 			form.appendChild( input );