diff --git a/ext/web/01_dom_exception.js b/ext/web/01_dom_exception.js
index d654d07317f7ea..796ba38f808a34 100644
--- a/ext/web/01_dom_exception.js
+++ b/ext/web/01_dom_exception.js
@@ -82,7 +82,6 @@ const nameToCodeMapping = ObjectCreate(null, {
   NetworkError: { value: NETWORK_ERR },
   AbortError: { value: ABORT_ERR },
   URLMismatchError: { value: URL_MISMATCH_ERR },
-  QuotaExceededError: { value: QUOTA_EXCEEDED_ERR },
   TimeoutError: { value: TIMEOUT_ERR },
   InvalidNodeTypeError: { value: INVALID_NODE_TYPE_ERR },
   DataCloneError: { value: DATA_CLONE_ERR },
diff --git a/tests/unit/dom_exception_test.ts b/tests/unit/dom_exception_test.ts
index 82138d78428cab..8aad75fcbd5cff 100644
--- a/tests/unit/dom_exception_test.ts
+++ b/tests/unit/dom_exception_test.ts
@@ -30,3 +30,11 @@ Deno.test(function hasStackAccessor() {
   assert(typeof desc.get === "function");
   assert(typeof desc.set === "function");
 });
+
+Deno.test(function quotaExceededErrorCodeIsZero() {
+  // Per https://github.com/whatwg/webidl/pull/1465, QuotaExceededError is no
+  // longer in the DOMException error names table, so its code should be 0.
+  const e = new DOMException("test", "QuotaExceededError");
+  assertEquals(e.code, 0);
+  assertEquals(e.name, "QuotaExceededError");
+});