diff --git a/dom/base/Navigator.cpp b/dom/base/Navigator.cpp
index 387d971edb03..f626fc625b8f 100644
--- a/dom/base/Navigator.cpp
+++ b/dom/base/Navigator.cpp
@@ -1515,25 +1515,6 @@ Navigator::GetFeature(const nsAString& aName)
     return p.forget();
   } // hardware.memory
 #endif
-
-  // Hardcoded manifest features. Some are still b2g specific.
-  const char manifestFeatures[][64] = {
-    "manifest.origin"
-  , "manifest.redirects"
-#ifdef MOZ_B2G
-  , "manifest.chrome.navigation"
-  , "manifest.precompile"
-#endif
-  };
-
-  nsAutoCString feature = NS_ConvertUTF16toUTF8(aName);
-  for (uint32_t i = 0; i < MOZ_ARRAY_LENGTH(manifestFeatures); i++) {
-    if (feature.Equals(manifestFeatures[i])) {
-      p->MaybeResolve(true);
-      return p.forget();
-    }
-  }
-
   // resolve with <undefined> because the feature name is not supported
   p->MaybeResolve(JS::UndefinedHandleValue);
 
diff --git a/dom/base/test/test_getFeature_with_perm.html b/dom/base/test/test_getFeature_with_perm.html
index f418168b9714..9501c02d3aee 100644
--- a/dom/base/test/test_getFeature_with_perm.html
+++ b/dom/base/test/test_getFeature_with_perm.html
@@ -38,7 +38,7 @@ function testSupported() {
       ok(typeof mem === 'undefined', "hardware.memory is not support on this platform");
     }
 
-    runNextTest();
+    SimpleTest.finish();
 
   },function(mem) {
     ok(false, "The Promise should not be rejected");
@@ -49,57 +49,17 @@ function testNotSupported() {
   var tv;
   navigator.getFeature("hardware.tv").then(function(tv) {
     ok(typeof tv === 'undefined', "Resolve the Promise with undefined value (hardware.tv)");
-    runNextTest();
+    testSupported();
   },function(tv) {
     ok(false, "The Promise should not be rejected")
   });
 }
 
-function createManifestTest(aFeature) {
-  return function() {
-    var res;
-    navigator.getFeature(aFeature).then(function(res) {
-      info("Got " + res + " for " + aFeature);
-      ok(res === true, "Resolve the Promise with 'true' for " + aFeature);
-      runNextTest();
-    },function(tv) {
-      ok(false, "The Promise should not be rejected")
-    });
-  }
-}
-
-var currentTest = -1;
-var tests = [
-  testNotSupported,
-  testSupported,
-  createManifestTest("manifest.origin"),
-  createManifestTest("manifest.redirects")
-];
-
-function runNextTest() {
-  currentTest++;
-  if (currentTest <= tests.length) {
-    tests[currentTest]();
-  } else {
-    SimpleTest.finish();
-  }
-}
-
-info("About to run " + tests.length + " tests");
-
 SpecialPowers.pushPermissions([
   {type: "feature-detection", allow: 1, context: document}
 ], function() {
   ok('getFeature' in navigator, "navigator.getFeature should exist");
-  // B2G specific manifest features.
-  // Touching navigator before pushPermissions makes it fail.
-  if (!navigator.userAgent.contains("Android") &&
-        /Mobile|Tablet/.test(navigator.userAgent)) {
-    info("Adding B2G specific tests");
-    tests.push(createManifestTest("manifest.chrome.navigation"));
-    tests.push(createManifestTest("manifest.precompile"));
-  }
-  runNextTest();
+  testNotSupported();
   ok(true, "Test DONE");
 });