diff --git a/ext/url/01_urlpattern.js b/ext/url/01_urlpattern.js
index 58a6d6bce0..6e27563089 100644
--- a/ext/url/01_urlpattern.js
+++ b/ext/url/01_urlpattern.js
@@ -31,6 +31,7 @@ import * as webidl from "ext:deno_webidl/00_webidl.js";
 import { createFilteredInspectProxy } from "ext:deno_console/01_console.js";
 
 const _components = Symbol("components");
+const urlPatternSettings = { groupStringFallback: false };
 
 /**
  * @typedef Components
@@ -349,7 +350,11 @@ class URLPattern {
           const groups = res.groups;
           for (let i = 0; i < groupList.length; ++i) {
             // TODO(lucacasonato): this is vulnerable to override mistake
-            groups[groupList[i]] = match[i + 1] ?? ""; // TODO(@crowlKats): remove fallback for 2.0
+            if (urlPatternSettings.groupStringFallback) {
+              groups[groupList[i]] = match[i + 1] ?? "";
+            } else {
+              groups[groupList[i]] = match[i + 1];
+            }
           }
           break;
         }
@@ -422,4 +427,4 @@ webidl.converters.URLPatternOptions = webidl
     },
   ]);
 
-export { URLPattern };
+export { URLPattern, urlPatternSettings };
diff --git a/tests/unit/urlpattern_test.ts b/tests/unit/urlpattern_test.ts
index 65c2241737..3c1fb0cf19 100644
--- a/tests/unit/urlpattern_test.ts
+++ b/tests/unit/urlpattern_test.ts
@@ -63,9 +63,3 @@ Deno.test(function urlPatternWithPrototypePollution() {
     RegExp.prototype.exec = originalExec;
   }
 });
-
-Deno.test(function urlPatternEmptyFallback() {
-  const p = new URLPattern({ pathname: "/foo/bar{/:qaz}?" });
-  const match = p.exec("https://example.com/foo/bar");
-  assertEquals(match!.pathname.groups.qaz, "");
-});
diff --git a/tests/wpt/runner/expectation.json b/tests/wpt/runner/expectation.json
index 1b31f26e5a..4449c5d15e 100644
--- a/tests/wpt/runner/expectation.json
+++ b/tests/wpt/runner/expectation.json
@@ -12297,18 +12297,8 @@
       "Component: hash Left: {\"hash\":\"a\"} Right: {\"hash\":\"b\"}"
     ],
     "urlpattern.any.html": [
-      "Pattern: [{\"pathname\":\"/foo/:bar?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/:bar*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/*?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/**\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [\"https://(sub.)?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"https://(sub(?:.))?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"data\\\\:text/javascript,let x = 100/:tens?5;\"] Inputs: [\"data:text/javascript,let x = 100/5;\"]",
       "Pattern: [{\"hostname\":\"bad\\\\:hostname\"}] Inputs: undefined",
       "Pattern: [] Inputs: []",
-      "Pattern: [{\"pathname\":\"*{}**?\"}] Inputs: [{\"pathname\":\"foobar\"}]",
       "Pattern: [{\"pathname\":\"/foo/bar\"},{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO/BAR\"}]",
       "Pattern: [\"https://example.com:8080/foo?bar#baz\",{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO\",\"search\":\"BAR\",\"hash\":\"BAZ\",\"baseURL\":\"https://example.com:8080\"}]",
       "Pattern: [{\"pathname\":\"/([[a-z]--a])\"}] Inputs: [{\"pathname\":\"/a\"}]",
@@ -12317,18 +12307,8 @@
       "Pattern: [{\"pathname\":\"/([\\\\d&&[0-1]])\"}] Inputs: [{\"pathname\":\"/3\"}]"
     ],
     "urlpattern.any.worker.html": [
-      "Pattern: [{\"pathname\":\"/foo/:bar?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/:bar*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/*?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/**\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [\"https://(sub.)?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"https://(sub(?:.))?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"data\\\\:text/javascript,let x = 100/:tens?5;\"] Inputs: [\"data:text/javascript,let x = 100/5;\"]",
       "Pattern: [{\"hostname\":\"bad\\\\:hostname\"}] Inputs: undefined",
       "Pattern: [] Inputs: []",
-      "Pattern: [{\"pathname\":\"*{}**?\"}] Inputs: [{\"pathname\":\"foobar\"}]",
       "Pattern: [{\"pathname\":\"/foo/bar\"},{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO/BAR\"}]",
       "Pattern: [\"https://example.com:8080/foo?bar#baz\",{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO\",\"search\":\"BAR\",\"hash\":\"BAZ\",\"baseURL\":\"https://example.com:8080\"}]",
       "Pattern: [{\"pathname\":\"/([[a-z]--a])\"}] Inputs: [{\"pathname\":\"/a\"}]",
@@ -12337,18 +12317,8 @@
       "Pattern: [{\"pathname\":\"/([\\\\d&&[0-1]])\"}] Inputs: [{\"pathname\":\"/3\"}]"
     ],
     "urlpattern.https.any.html": [
-      "Pattern: [{\"pathname\":\"/foo/:bar?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/:bar*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/*?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/**\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [\"https://(sub.)?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"https://(sub(?:.))?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"data\\\\:text/javascript,let x = 100/:tens?5;\"] Inputs: [\"data:text/javascript,let x = 100/5;\"]",
       "Pattern: [{\"hostname\":\"bad\\\\:hostname\"}] Inputs: undefined",
       "Pattern: [] Inputs: []",
-      "Pattern: [{\"pathname\":\"*{}**?\"}] Inputs: [{\"pathname\":\"foobar\"}]",
       "Pattern: [{\"pathname\":\"/foo/bar\"},{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO/BAR\"}]",
       "Pattern: [\"https://example.com:8080/foo?bar#baz\",{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO\",\"search\":\"BAR\",\"hash\":\"BAZ\",\"baseURL\":\"https://example.com:8080\"}]",
       "Pattern: [{\"pathname\":\"/([[a-z]--a])\"}] Inputs: [{\"pathname\":\"/a\"}]",
@@ -12357,18 +12327,8 @@
       "Pattern: [{\"pathname\":\"/([\\\\d&&[0-1]])\"}] Inputs: [{\"pathname\":\"/3\"}]"
     ],
     "urlpattern.https.any.worker.html": [
-      "Pattern: [{\"pathname\":\"/foo/:bar?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/:bar*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/*?\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/(.*)*\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [{\"pathname\":\"/foo/**\"}] Inputs: [{\"pathname\":\"/foo\"}]",
-      "Pattern: [\"https://(sub.)?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"https://(sub(?:.))?example.com/foo\"] Inputs: [\"https://example.com/foo\"]",
-      "Pattern: [\"data\\\\:text/javascript,let x = 100/:tens?5;\"] Inputs: [\"data:text/javascript,let x = 100/5;\"]",
       "Pattern: [{\"hostname\":\"bad\\\\:hostname\"}] Inputs: undefined",
       "Pattern: [] Inputs: []",
-      "Pattern: [{\"pathname\":\"*{}**?\"}] Inputs: [{\"pathname\":\"foobar\"}]",
       "Pattern: [{\"pathname\":\"/foo/bar\"},{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO/BAR\"}]",
       "Pattern: [\"https://example.com:8080/foo?bar#baz\",{\"ignoreCase\":true}] Inputs: [{\"pathname\":\"/FOO\",\"search\":\"BAR\",\"hash\":\"BAZ\",\"baseURL\":\"https://example.com:8080\"}]",
       "Pattern: [{\"pathname\":\"/([[a-z]--a])\"}] Inputs: [{\"pathname\":\"/a\"}]",