diff --git a/browser/base/content/test/browser_aboutHome.js b/browser/base/content/test/browser_aboutHome.js
index 802c35d433e7..6de36081f2e4 100644
--- a/browser/base/content/test/browser_aboutHome.js
+++ b/browser/base/content/test/browser_aboutHome.js
@@ -254,60 +254,6 @@ let gTests = [
     searchbar.select();
     return deferred.promise;
   }
-},
-
-{
-  desc: "Check POST search engine support",
-  setup: function() {},
-  run: function()
-  {
-    let deferred = Promise.defer();
-    let currEngine = Services.search.defaultEngine;
-    let searchObserver = function search_observer(aSubject, aTopic, aData) {
-      let engine = aSubject.QueryInterface(Ci.nsISearchEngine);
-      info("Observer: " + aData + " for " + engine.name);
-
-      if (aData != "engine-added")
-        return;
-
-      if (engine.name != "POST Search")
-        return;
-
-      Services.search.defaultEngine = engine;
-
-      registerCleanupFunction(function() {
-        Services.search.removeEngine(engine);
-        Services.search.defaultEngine = currEngine;
-      });
-
-      let needle = "Search for something awesome.";
-
-      // Ready to execute the tests!
-      promiseBrowserAttributes(gBrowser.selectedTab).then(function() {
-        let document = gBrowser.selectedTab.linkedBrowser.contentDocument;
-        let searchText = document.getElementById("searchText");
-
-        waitForLoad(function() {
-          let loadedText = gBrowser.contentDocument.body.textContent;
-          ok(loadedText, "search page loaded");
-          is(loadedText, "searchterms=" + escape(needle.replace(/\s/g, "+")),
-             "Search text should arrive correctly");
-          deferred.resolve();
-        });
-
-        searchText.value = needle;
-        searchText.focus();
-        EventUtils.synthesizeKey("VK_RETURN", {});
-      });
-    };
-    Services.obs.addObserver(searchObserver, "browser-search-engine-modified", false);
-    registerCleanupFunction(function () {
-      Services.obs.removeObserver(searchObserver, "browser-search-engine-modified");
-    });
-    Services.search.addEngine("http://test:80/browser/browser/base/content/test/POSTSearchEngine.xml",
-                              Ci.nsISearchEngine.DATA_XML, null, false);
-    return deferred.promise;
-  }
 }
 
 ];
@@ -496,15 +442,3 @@ function getNumberOfSearchesByDate(aEngineName, aData, aDate) {
 
   return 0; // No records found.
 }
-
-function waitForLoad(cb) {
-  let browser = gBrowser.selectedBrowser;
-  browser.addEventListener("load", function listener() {
-    if (browser.currentURI.spec == "about:blank")
-      return;
-    info("Page loaded: " + browser.currentURI.spec);
-    browser.removeEventListener("load", listener, true);
-
-    cb();
-  }, true);
-}