diff --git a/tests/wpt/meta/MANIFEST.json b/tests/wpt/meta/MANIFEST.json
index 8830b07e2a8..5d8fb80f5c8 100644
--- a/tests/wpt/meta/MANIFEST.json
+++ b/tests/wpt/meta/MANIFEST.json
@@ -611439,7 +611439,7 @@
       ]
      ],
      "transition-zero-duration-with-delay.html": [
-      "0b6b9c37a9b2a1c225889c1f362beb9d559c25d7",
+      "308d8f3784feb674566b64e0b52ae78d43ac55e2",
       [
        null,
        {}
diff --git a/tests/wpt/tests/css/css-transitions/transition-zero-duration-with-delay.html b/tests/wpt/tests/css/css-transitions/transition-zero-duration-with-delay.html
index 0b6b9c37a9b..308d8f3784f 100644
--- a/tests/wpt/tests/css/css-transitions/transition-zero-duration-with-delay.html
+++ b/tests/wpt/tests/css/css-transitions/transition-zero-duration-with-delay.html
@@ -30,7 +30,6 @@ promise_test(async t => {
   div.style.transition = 'width 0s linear 0.3s';
 
   // Set width back to 0
-  const startTime = performance.now();
   div.style.width = '0px';
   // Immediate check - should NOT have changed yet
   const computedStart = getComputedStyle(div).width;