diff --git a/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini b/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini
index 4b03788a7220..e53b078d9c97 100644
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini
+++ b/devtools/client/webconsole/new-console-output/test/mochitest/browser.ini
@@ -56,8 +56,6 @@ support-files =
test-bug-597136-external-script-errors.js
test-bug-597756-reopen-closed-tab.html
test-bug-599725-response-headers.sjs
- test-bug-600183-charset.html
- test-bug-600183-charset.html^headers^
test-bug-601177-log-levels.html
test-bug-601177-log-levels.js
test-bug-603750-websocket.html
@@ -231,8 +229,6 @@ tags = mcb
[browser_webconsole_cached_messages.js]
[browser_webconsole_cd_iframe.js]
[browser_webconsole_certificate_messages.js]
-[browser_webconsole_charset.js]
-skip-if = true # Bug 1404400
[browser_webconsole_click_function_to_source.js]
skip-if = true # Bug 1406038
[browser_webconsole_clickable_urls.js]
diff --git a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_charset.js b/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_charset.js
deleted file mode 100644
index da68618be005..000000000000
--- a/devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_charset.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-"use strict";
-
-// See Bug 600183.
-
-const INIT_URI = "data:text/html;charset=utf-8,Web Console - bug 600183 test";
-const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
- "test/test-bug-600183-charset.html";
-
-function performTest(lastFinishedRequest, console) {
- let deferred = defer();
-
- ok(lastFinishedRequest, "charset test page was loaded and logged");
- HUDService.lastFinishedRequest.callback = null;
-
- executeSoon(() => {
- console.webConsoleClient.getResponseContent(lastFinishedRequest.actor,
- (response) => {
- ok(!response.contentDiscarded, "response body was not discarded");
-
- let body = response.content.text;
- ok(body, "we have the response body");
-
- // 鐨勯棶鍊�!
- let chars = "\u7684\u95ee\u5019!";
- isnot(body.indexOf("" + chars + "
"), -1,
- "found the chinese simplified string");
-
- HUDService.lastFinishedRequest.callback = null;
- executeSoon(deferred.resolve);
- });
- });
-
- return deferred.promise;
-}
-
-function waitForRequest() {
- let deferred = defer();
- HUDService.lastFinishedRequest.callback = (req, console) => {
- performTest(req, console).then(deferred.resolve);
- };
- return deferred.promise;
-}
-
-add_task(function* () {
- let { browser } = yield loadTab(INIT_URI);
-
- yield openConsole();
-
- let gotLastRequest = waitForRequest();
-
- let loaded = loadBrowser(browser);
- BrowserTestUtils.loadURI(browser, TEST_URI);
- yield loaded;
-
- yield gotLastRequest;
-});
diff --git a/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html b/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html
deleted file mode 100644
index 040490a6b0f1..000000000000
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html
+++ /dev/null
@@ -1,9 +0,0 @@
-
-
-
- Console HTTP test page (chinese)
-
-
- 的问候!
-
-
diff --git a/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html^headers^ b/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html^headers^
deleted file mode 100644
index 9f3e2302f5d1..000000000000
--- a/devtools/client/webconsole/new-console-output/test/mochitest/test-bug-600183-charset.html^headers^
+++ /dev/null
@@ -1 +0,0 @@
-Content-Type: text/html; charset=gb2312