4 files changed, 13 insertions, 13 deletions
diff --git a/ext/fetch/20_headers.js b/ext/fetch/20_headers.js
index 48729765f..a96d0da3b 100644
--- a/ext/fetch/20_headers.js
+++ b/ext/fetch/20_headers.js
@@ -271,7 +271,7 @@ class Headers {
   append(name, value) {
     webidl.assertBranded(this, HeadersPrototype);
     const prefix = "Failed to execute 'append' on 'Headers'";
-    webidl.requiredArguments(arguments.length, 2, { prefix });
+    webidl.requiredArguments(arguments.length, 2, prefix);
     name = webidl.converters["ByteString"](name, {
       prefix,
       context: "Argument 1",
@@ -288,7 +288,7 @@ class Headers {
    */
   delete(name) {
     const prefix = "Failed to execute 'delete' on 'Headers'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
     name = webidl.converters["ByteString"](name, {
       prefix,
       context: "Argument 1",
@@ -316,7 +316,7 @@ class Headers {
    */
   get(name) {
     const prefix = "Failed to execute 'get' on 'Headers'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
     name = webidl.converters["ByteString"](name, {
       prefix,
       context: "Argument 1",
@@ -335,7 +335,7 @@ class Headers {
    */
   has(name) {
     const prefix = "Failed to execute 'has' on 'Headers'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
     name = webidl.converters["ByteString"](name, {
       prefix,
       context: "Argument 1",
@@ -362,7 +362,7 @@ class Headers {
   set(name, value) {
     webidl.assertBranded(this, HeadersPrototype);
     const prefix = "Failed to execute 'set' on 'Headers'";
-    webidl.requiredArguments(arguments.length, 2, { prefix });
+    webidl.requiredArguments(arguments.length, 2, prefix);
     name = webidl.converters["ByteString"](name, {
       prefix,
       context: "Argument 1",
diff --git a/ext/fetch/21_formdata.js b/ext/fetch/21_formdata.js
index 3114ffad3..92c914b8c 100644
--- a/ext/fetch/21_formdata.js
+++ b/ext/fetch/21_formdata.js
@@ -101,7 +101,7 @@ class FormData {
   append(name, valueOrBlobValue, filename) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'append' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 2, { prefix });
+    webidl.requiredArguments(arguments.length, 2, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
@@ -137,7 +137,7 @@ class FormData {
   delete(name) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'name' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
@@ -160,7 +160,7 @@ class FormData {
   get(name) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'get' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
@@ -182,7 +182,7 @@ class FormData {
   getAll(name) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'getAll' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
@@ -205,7 +205,7 @@ class FormData {
   has(name) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'has' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
@@ -229,7 +229,7 @@ class FormData {
   set(name, valueOrBlobValue, filename) {
     webidl.assertBranded(this, FormDataPrototype);
     const prefix = "Failed to execute 'set' on 'FormData'";
-    webidl.requiredArguments(arguments.length, 2, { prefix });
+    webidl.requiredArguments(arguments.length, 2, prefix);
 
     name = webidl.converters["USVString"](name, {
       prefix,
diff --git a/ext/fetch/23_request.js b/ext/fetch/23_request.js
index b0dd715d1..798346ae6 100644
--- a/ext/fetch/23_request.js
+++ b/ext/fetch/23_request.js
@@ -273,7 +273,7 @@ class Request {
    */
   constructor(input, init = {}) {
     const prefix = "Failed to construct 'Request'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
     input = webidl.converters["RequestInfo_DOMString"](input, {
       prefix,
       context: "Argument 1",
diff --git a/ext/fetch/26_fetch.js b/ext/fetch/26_fetch.js
index 4678defa0..18cb47a59 100644
--- a/ext/fetch/26_fetch.js
+++ b/ext/fetch/26_fetch.js
@@ -413,7 +413,7 @@ function fetch(input, init = {}) {
   // 1.
   const result = new Promise((resolve, reject) => {
     const prefix = "Failed to call 'fetch'";
-    webidl.requiredArguments(arguments.length, 1, { prefix });
+    webidl.requiredArguments(arguments.length, 1, prefix);
     // 2.
     const requestObject = new Request(input, init);
     // 3.