diff --git a/lib/internal/url.js b/lib/internal/url.js
index 679e14d72a9c39..84e04ee9d8fa85 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -77,7 +77,7 @@ class TupleOrigin {
     return result;
   }
 
-  inspect() {
+  [util.inspect.custom]() {
     return `TupleOrigin {
       scheme: ${this[kScheme]},
       host: ${this[kHost]},
@@ -223,10 +223,6 @@ class URL {
     parse(this, input, base);
   }
 
-  get [Symbol.toStringTag]() {
-    return this instanceof URL ? 'URL' : 'URLPrototype';
-  }
-
   get [special]() {
     return (this[context].flags & binding.URL_FLAGS_SPECIAL) !== 0;
   }
@@ -235,7 +231,7 @@ class URL {
     return (this[context].flags & binding.URL_FLAGS_CANNOT_BE_BASE) !== 0;
   }
 
-  inspect(depth, opts) {
+  [util.inspect.custom](depth, opts) {
     const ctx = this[context];
     var ret = 'URL {\n';
     ret += `  href: ${this.href}\n`;
@@ -314,6 +310,10 @@ Object.defineProperties(URL.prototype, {
       return ret;
     }
   },
+  [Symbol.toStringTag]: {
+    configurable: true,
+    value: 'URL'
+  },
   href: {
     enumerable: true,
     configurable: true,
@@ -1046,7 +1046,6 @@ function urlToOptions(url) {
 
 exports.URL = URL;
 exports.URLSearchParams = URLSearchParams;
-exports.originFor = originFor;
 exports.domainToASCII = domainToASCII;
 exports.domainToUnicode = domainToUnicode;
 exports.encodeAuth = encodeAuth;
diff --git a/lib/url.js b/lib/url.js
index 933ffe13b4d9e4..2f05cc6648ab48 100644
--- a/lib/url.js
+++ b/lib/url.js
@@ -18,7 +18,6 @@ exports.resolveObject = urlResolveObject;
 exports.format = urlFormat;
 exports.URL = internalUrl.URL;
 exports.URLSearchParams = internalUrl.URLSearchParams;
-exports.originFor = internalUrl.originFor;
 exports.domainToASCII = internalUrl.domainToASCII;
 exports.domainToUnicode = internalUrl.domainToUnicode;
 
diff --git a/test/parallel/test-util-inspect-tuple-origin.js b/test/parallel/test-util-inspect-tuple-origin.js
deleted file mode 100644
index 743651098f60db..00000000000000
--- a/test/parallel/test-util-inspect-tuple-origin.js
+++ /dev/null
@@ -1,37 +0,0 @@
-'use strict';
-
-require('../common');
-const assert = require('assert');
-const inspect = require('util').inspect;
-const originFor = require('url').originFor;
-
-assert.strictEqual(
-    inspect(originFor('http://test.com:8000')),
-    `TupleOrigin {
-      scheme: http,
-      host: test.com,
-      port: 8000,
-      domain: null
-    }`
-  );
-
-assert.strictEqual(
-    inspect(originFor('http://test.com')),
-    `TupleOrigin {
-      scheme: http,
-      host: test.com,
-      port: undefined,
-      domain: null
-    }`
-  );
-
-
-assert.strictEqual(
-    inspect(originFor('https://test.com')),
-    `TupleOrigin {
-      scheme: https,
-      host: test.com,
-      port: undefined,
-      domain: null
-    }`
-  );
diff --git a/test/parallel/test-whatwg-url-parsing.js b/test/parallel/test-whatwg-url-parsing.js
index 9ea6cc74bff5e6..f1fd2ae9051533 100644
--- a/test/parallel/test-whatwg-url-parsing.js
+++ b/test/parallel/test-whatwg-url-parsing.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const common = require('../common');
+const util = require('util');
 
 if (!common.hasIntl) {
   // A handful of the tests fail when ICU is not included.
@@ -144,8 +145,8 @@ for (const test of allTests) {
   const url = test.url ? new URL(test.url) : new URL(test.input, test.base);
 
   for (const showHidden of [true, false]) {
-    const res = url.inspect(null, {
-      showHidden: showHidden
+    const res = util.inspect(url, {
+      showHidden
     });
 
     const lines = res.split('\n');
diff --git a/test/parallel/test-whatwg-url-properties.js b/test/parallel/test-whatwg-url-properties.js
index 0b5e633677170a..b762659fb6eadc 100644
--- a/test/parallel/test-whatwg-url-properties.js
+++ b/test/parallel/test-whatwg-url-properties.js
@@ -45,7 +45,7 @@ assert.strictEqual(url.searchParams, oldParams);  // [SameObject]
 // Note: this error message is subject to change in V8 updates
 assert.throws(() => url.origin = 'http://foo.bar.com:22',
               new RegExp('TypeError: Cannot set property origin of' +
-                         ' \\[object Object\\] which has only a getter'));
+                         ' \\[object URL\\] which has only a getter'));
 assert.strictEqual(url.origin, 'http://foo.bar.com:21');
 assert.strictEqual(url.toString(),
                    'http://user:pass@foo.bar.com:21/aaa/zzz?l=25#test');
@@ -121,7 +121,7 @@ assert.strictEqual(url.hash, '#abcd');
 // Note: this error message is subject to change in V8 updates
 assert.throws(() => url.searchParams = '?k=88',
               new RegExp('TypeError: Cannot set property searchParams of' +
-                         ' \\[object Object\\] which has only a getter'));
+                         ' \\[object URL\\] which has only a getter'));
 assert.strictEqual(url.searchParams, oldParams);
 assert.strictEqual(url.toString(),
                    'https://user2:pass2@foo.bar.org:23/aaa/bbb?k=99#abcd');
diff --git a/test/parallel/test-whatwg-url-tostringtag.js b/test/parallel/test-whatwg-url-tostringtag.js
index 9e0927955feaab..55b0a48ce741ac 100644
--- a/test/parallel/test-whatwg-url-tostringtag.js
+++ b/test/parallel/test-whatwg-url-tostringtag.js
@@ -10,9 +10,12 @@ const sp = url.searchParams;
 
 const test = [
   [toString.call(url), 'URL'],
-  [toString.call(Object.getPrototypeOf(url)), 'URLPrototype'],
   [toString.call(sp), 'URLSearchParams'],
-  [toString.call(Object.getPrototypeOf(sp)), 'URLSearchParamsPrototype']
+  [toString.call(Object.getPrototypeOf(sp)), 'URLSearchParamsPrototype'],
+  // Web IDL spec says we have to return 'URLPrototype', but it is too
+  // expensive to implement; therefore, use Chrome's behavior for now, until
+  // spec is changed.
+  [toString.call(Object.getPrototypeOf(url)), 'URL']
 ];
 
 test.forEach((row) => {