diff --git a/modules/libjar/test/unit/test_jarchannel.js b/modules/libjar/test/unit/test_jarchannel.js
deleted file mode 100644
index 9f0c82204460..000000000000
--- a/modules/libjar/test/unit/test_jarchannel.js
+++ /dev/null
@@ -1,187 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/
- */
-
-/**
- * Tests some basic jar channel functionality
- */
-
-
-const {classes: Cc,
-       interfaces: Ci,
-       results: Cr,
-       Constructor: ctor
-       } = Components;
-
-const ios = Cc["@mozilla.org/network/io-service;1"].
-                getService(Ci.nsIIOService);
-const dirSvc = Cc["@mozilla.org/file/directory_service;1"].
-                getService(Ci.nsIProperties);
-const obs = Cc["@mozilla.org/observer-service;1"].
-                getService(Ci.nsIObserverService);
-
-const nsIBinaryInputStream = ctor("@mozilla.org/binaryinputstream;1",
-                               "nsIBinaryInputStream",
-                               "setInputStream"
-                               );
-
-const fileBase = "test_bug637286.zip";
-const file = do_get_file("data/" + fileBase);
-const jarBase = "jar:" + ios.newFileURI(file).spec + "!";
-const tmpDir = dirSvc.get("TmpD", Ci.nsIFile);
-
-function Listener(callback) {
-    this._callback = callback;
-}
-Listener.prototype = {
-    gotStartRequest: false,
-    available: -1,
-    gotStopRequest: false,
-    QueryInterface: function(iid) {
-        if (iid.equals(Ci.nsISupports) ||
-            iid.equals(Ci.nsIRequestObserver))
-            return this;
-        throw Cr.NS_ERROR_NO_INTERFACE;
-    },
-    onDataAvailable: function(request, ctx, stream, offset, count) {
-        try {
-            this.available = stream.available();
-            do_check_eq(this.available, count);
-            // Need to consume stream to avoid assertion
-            new nsIBinaryInputStream(stream).readBytes(count);
-        }
-        catch (ex) {
-            do_throw(ex);
-        }
-    },
-    onStartRequest: function(request, ctx) {
-        this.gotStartRequest = true;
-    },
-    onStopRequest: function(request, ctx) {
-        this.gotStopRequest = true;
-        if (this._callback) {
-            this._callback.call(null, this);
-        }
-    }
-};
-
-/**
- * Basic reading test for synchronously opened jar channels
- */
-add_test(function testSync() {
-    var uri = jarBase + "/inner40.zip";
-    var chan = ios.newChannel(uri, null, null);
-    var stream = chan.open();
-    do_check_true(chan.contentLength > 0);
-    do_check_eq(stream.available(), chan.contentLength);
-    stream.close();
-    stream.close(); // should still not throw
-
-    run_next_test();
-});
-
-/**
- * Basic reading test for asynchronously opened jar channel
- */
-add_test(function testAsync() {
-    var uri = jarBase + "/inner40.zip";
-    var chan = ios.newChannel(uri, null, null);
-    do_check_true(chan.contentLength < 0);
-    chan.asyncOpen(new Listener(function(l) {
-        do_check_true(chan.contentLength > 0);
-        do_check_true(l.gotStartRequest);
-        do_check_true(l.gotStopRequest);
-        do_check_eq(l.available, chan.contentLength);
-
-        run_next_test();
-    }), null);
-});
-
-/**
- * Basic reading test for synchronously opened, nested jar channels
- */
-add_test(function testSyncNested() {
-    var uri = "jar:" + jarBase + "/inner40.zip!/foo";
-    var chan = ios.newChannel(uri, null, null);
-    var stream = chan.open();
-    do_check_true(chan.contentLength > 0);
-    do_check_eq(stream.available(), chan.contentLength);
-    stream.close();
-    stream.close(); // should still not throw
-
-    run_next_test();
-});
-
-/**
- * Basic reading test for asynchronously opened, nested jar channels
- */
-add_test(function testAsyncNested(next) {
-    var uri = "jar:" + jarBase + "/inner40.zip!/foo";
-    var chan = ios.newChannel(uri, null, null);
-    chan.asyncOpen(new Listener(function(l) {
-        do_check_true(chan.contentLength > 0);
-        do_check_true(l.gotStartRequest);
-        do_check_true(l.gotStopRequest);
-        do_check_eq(l.available, chan.contentLength);
-
-        run_next_test();
-    }), null);
-});
-
-/**
- * Verify that file locks are released when closing a synchronously
- * opened jar channel stream
- */
-add_test(function testSyncCloseUnlocks() {
-    var copy = tmpDir.clone();
-    copy.append(fileBase);
-    file.copyTo(copy.parent, copy.leafName);
-
-    var uri = "jar:" + ios.newFileURI(copy).spec + "!/inner40.zip";
-    var chan = ios.newChannel(uri, null, null);
-    var stream = chan.open();
-    do_check_true(chan.contentLength > 0);
-    stream.close();
-
-    // Drop any jar caches
-    obs.notifyObservers(null, "chrome-flush-caches", null);
-
-    try {
-        copy.remove(false);
-    }
-    catch (ex) {
-        do_throw(ex);
-    }
-
-    run_next_test();
-});
-
-/**
- * Verify that file locks are released when closing an asynchronously
- * opened jar channel stream
- */
-add_test(function testAsyncCloseUnlocks() {
-    var copy = tmpDir.clone();
-    copy.append(fileBase);
-    file.copyTo(copy.parent, copy.leafName);
-
-    var uri = "jar:" + ios.newFileURI(copy).spec + "!/inner40.zip";
-    var chan = ios.newChannel(uri, null, null);
-    chan.asyncOpen(new Listener(function (l) {
-        do_check_true(chan.contentLength > 0);
-
-        // Drop any jar caches
-        obs.notifyObservers(null, "chrome-flush-caches", null);
-
-        try {
-            copy.remove(false);
-        }
-        catch (ex) {
-            do_throw(ex);
-        }
-
-        run_next_test();
-    }), null);
-});
-
-function run_test() run_next_test();
diff --git a/modules/libjar/test/unit/xpcshell.ini b/modules/libjar/test/unit/xpcshell.ini
index 864bfe7d6005..c76fa14696d3 100644
--- a/modules/libjar/test/unit/xpcshell.ini
+++ b/modules/libjar/test/unit/xpcshell.ini
@@ -2,7 +2,6 @@
 head = 
 tail = 
 
-[test_jarchannel.js]
 [test_bug278262.js]
 [test_bug333423.js]
 [test_bug336691.js]