deleted file mode 100644
--- a/browser/components/feeds/test/unit/.eslintrc.js
+++ /dev/null
@@ -1,7 +0,0 @@
-"use strict";
-
-module.exports = {
-  "extends": [
-    "plugin:mozilla/xpcshell-test"
-  ]
-};

deleted file mode 100644
--- a/browser/components/feeds/test/unit/head_feeds.js
+++ /dev/null
@@ -1,1 +0,0 @@
-ChromeUtils.import("resource://gre/modules/Services.jsm");

deleted file mode 100644
--- a/browser/components/feeds/test/unit/test_355473.js
+++ /dev/null
@@ -1,42 +0,0 @@
-ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
-
-function run_test() {
-  var feedFeedURI = Services.io.newURI("feed://example.com/feed.xml");
-  var httpFeedURI = Services.io.newURI("feed:http://example.com/feed.xml");
-  var httpURI = Services.io.newURI("http://example.com/feed.xml");
-
-  var httpsFeedURI =
-    Services.io.newURI("feed:https://example.com/feed.xml");
-  var httpsURI = Services.io.newURI("https://example.com/feed.xml");
-
-  var feedChannel = NetUtil.newChannel({
-    uri: feedFeedURI,
-    loadUsingSystemPrincipal: true
-  });
-
-  var httpChannel = NetUtil.newChannel({
-    uri: httpFeedURI,
-    loadUsingSystemPrincipal: true
-  });
-
-  var httpsChannel = NetUtil.newChannel({
-    uri: httpsFeedURI,
-    loadUsingSystemPrincipal: true
-  });
-
-  // not setting .originalURI to the original URI is naughty
-  Assert.ok(feedFeedURI.equals(feedChannel.originalURI));
-  Assert.ok(httpFeedURI.equals(httpChannel.originalURI));
-  Assert.ok(httpsFeedURI.equals(httpsChannel.originalURI));
-
-  // actually using the horrible mess that's a feed: URI is suicidal
-  Assert.ok(httpURI.equals(feedChannel.URI));
-  Assert.ok(httpURI.equals(httpChannel.URI));
-  Assert.ok(httpsURI.equals(httpsChannel.URI));
-
-  // check that we throw creating feed: URIs from file and ftp
-  Assert.throws(function() { Services.io.newURI("feed:ftp://example.com/feed.xml"); },
-      "Should throw an exception when trying to create a feed: URI with an ftp: inner");
-  Assert.throws(function() { Services.io.newURI("feed:file:///var/feed.xml"); },
-      "Should throw an exception when trying to create a feed: URI with a file: inner");
-}

deleted file mode 100644
--- a/browser/components/feeds/test/unit/test_758990.js
+++ /dev/null
@@ -1,38 +0,0 @@
-function run_test() {
-  var success = false;
-  try {
-    Services.io.newURI("feed:javascript:alert('hi');");
-  } catch (e) {
-    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
-  }
-  if (!success)
-    do_throw("We didn't throw NS_ERROR_MALFORMED_URI creating a feed:javascript: URI");
-
-  success = false;
-  try {
-    Services.io.newURI("feed:data:text/html,hi");
-  } catch (e) {
-    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
-  }
-  if (!success)
-    do_throw("We didn't throw NS_ERROR_MALFORMED_URI creating a feed:data: URI");
-
-  success = false;
-  try {
-    Services.io.newURI("pcast:javascript:alert('hi');");
-  } catch (e) {
-    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
-  }
-  if (!success)
-    do_throw("We didn't throw NS_ERROR_MALFORMED_URI creating a pcast:javascript: URI");
-
-  success = false;
-  try {
-    Services.io.newURI("pcast:data:text/html,hi");
-  } catch (e) {
-    success = e.result == Cr.NS_ERROR_MALFORMED_URI;
-  }
-  if (!success)
-    do_throw("We didn't throw NS_ERROR_MALFORMED_URI creating a pcast:data: URI");
-
-}

deleted file mode 100644
--- a/browser/components/feeds/test/unit/xpcshell.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[DEFAULT]
-head = head_feeds.js
-firefox-appdir = browser
-skip-if = toolkit == 'android'
-
-[test_355473.js]
-[test_758990.js]