diff --git a/modules/angular2/pubspec.yaml b/modules/angular2/pubspec.yaml
index 661597cd75..eeacb25f08 100644
--- a/modules/angular2/pubspec.yaml
+++ b/modules/angular2/pubspec.yaml
@@ -16,4 +16,4 @@ dependencies:
   html5lib: '^0.12.0'
   stack_trace: '^1.1.1'
 dev_dependencies:
-  guinness: "^0.1.16"
+  guinness: "^0.1.17"
diff --git a/modules/angular2/src/test_lib/test_lib.dart b/modules/angular2/src/test_lib/test_lib.dart
index ba8b2c051d..f7eb92f9c0 100644
--- a/modules/angular2/src/test_lib/test_lib.dart
+++ b/modules/angular2/src/test_lib/test_lib.dart
@@ -3,10 +3,9 @@ library test_lib.test_lib;
 import 'package:guinness/guinness.dart' as gns;
 export 'package:guinness/guinness.dart' hide Expect, expect, NotExpect, beforeEach, it, iit, xit;
 import 'package:unittest/unittest.dart' hide expect;
-import 'dart:mirrors';
+
 import 'dart:async';
 
-import 'package:collection/equality.dart';
 import 'package:angular2/src/dom/dom_adapter.dart' show DOM;
 
 import 'package:angular2/src/reflection/reflection.dart';
@@ -82,10 +81,8 @@ class Expect extends gns.Expect {
 
   NotExpect get not => new NotExpect(actual);
 
-  // TODO(tbosch) change back when https://github.com/vsavkin/guinness/issues/41 is fixed
-  // void toEqual(expected) => toHaveSameProps(expected);
-  void toEqual(expected) => _expect(actual, new FixedSamePropsMatcher(expected));
-  void toThrowError([message=""]) => this.toThrowWith(message: message);
+  void toEqual(expected) => toHaveSameProps(expected);
+  void toThrowError([message=""]) => toThrowWith(message: message);
   void toBePromise() => _expect(actual is Future, equals(true));
   void toImplement(expected) => toBeA(expected);
   void toBeNaN() => _expect(double.NAN.compareTo(actual) == 0, equals(true));
@@ -96,9 +93,7 @@ class Expect extends gns.Expect {
 class NotExpect extends gns.NotExpect {
   NotExpect(actual) : super(actual);
 
-  // TODO(tbosch) change back when https://github.com/vsavkin/guinness/issues/41 is fixed
-  // void toEqual(expected) => toHaveSameProps(expected);
-  void toEqual(expected) => _expect(actual, isNot(new FixedSamePropsMatcher(expected)));
+  void toEqual(expected) => toHaveSameProps(expected);
   void toBePromise() => _expect(actual is Future, equals(false));
   Function get _expect => gns.guinness.matchers.expect;
 }
@@ -155,66 +150,6 @@ xit(name, fn) {
   _it(gns.xit, name, fn);
 }
 
-// TODO(tbosch): remove when https://github.com/vsavkin/guinness/issues/41
-// is fixed
-class FixedSamePropsMatcher extends Matcher {
-  final Object _expected;
-
-  const FixedSamePropsMatcher(this._expected);
-
-  bool matches(actual, Map matchState) {
-    return compare(toData(_expected), toData(actual));
-  }
-
-  Description describeMismatch(item, Description mismatchDescription,
-      Map matchState, bool verbose) =>
-      mismatchDescription.add('is equal to ${toData(item)}. Expected: ${toData(_expected)}');
-
-  Description describe(Description description) =>
-      description.add('has different properties');
-
-  toData(obj) => new _FixedObjToData().call(obj);
-  compare(d1, d2) => new DeepCollectionEquality().equals(d1, d2);
-}
-
-// TODO(tbosch): remove when https://github.com/vsavkin/guinness/issues/41
-// is fixed
-class _FixedObjToData {
-  final visitedObjects = new Set();
-
-  call(obj) {
-    if (visitedObjects.contains(obj)) return null;
-    visitedObjects.add(obj);
-
-    if (obj is num || obj is String || obj is bool) return obj;
-    if (obj is Iterable) return obj.map(call).toList();
-    if (obj is Map) return mapToData(obj);
-    return toDataUsingReflection(obj);
-  }
-
-  mapToData(obj) {
-    var res = {};
-    obj.forEach((k,v) {
-      res[call(k)] = call(v);
-    });
-    return res;
-  }
-
-  toDataUsingReflection(obj) {
-    final clazz = reflectClass(obj.runtimeType);
-    final instance = reflect(obj);
-
-    return clazz.declarations.values.fold({}, (map, decl) {
-      if (decl is VariableMirror && !decl.isPrivate && !decl.isStatic) {
-        final field = instance.getField(decl.simpleName);
-        final name = MirrorSystem.getName(decl.simpleName);
-        map[name] = call(field.reflectee);
-      }
-      return map;
-    });
-  }
-}
-
 String elementText(n) {
   hasNodes(n) {
     var children = DOM.childNodes(n);
diff --git a/modules/angular2/test/test_lib/test_lib_spec.js b/modules/angular2/test/test_lib/test_lib_spec.js
index 8b84ecfa33..93d7feb301 100644
--- a/modules/angular2/test/test_lib/test_lib_spec.js
+++ b/modules/angular2/test/test_lib/test_lib_spec.js
@@ -1,6 +1,6 @@
 import {describe, it, iit, ddescribe, expect, tick, async, SpyObject, beforeEach, proxy} from 'angular2/test_lib';
-import {MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-import {IMPLEMENTS, Date, DateWrapper} from 'angular2/src/facade/lang';
+import {MapWrapper} from 'angular2/src/facade/collection';
+import {IMPLEMENTS} from 'angular2/src/facade/lang';
 
 class TestObj {
   prop;
@@ -24,19 +24,6 @@ export function main() {
         expect(actual).toEqual(expected);
         expect(falseActual).not.toEqual(expected);
       });
-
-      it('should structurally compare objects with private and static fields', () => {
-        expect(DateWrapper.fromMillis(1)).toEqual(DateWrapper.fromMillis(1));
-      });
-
-      it('should work for arrays of string maps', () => {
-        expect([{'a':'b'}]).toEqual([{'a':'b'}]);
-      });
-
-      it('should work for arrays of real maps', () => {
-        expect([MapWrapper.createFromStringMap({'a':'b'})]).toEqual([MapWrapper.createFromStringMap({'a':'b'})]);
-        expect([MapWrapper.createFromStringMap({'a':'b'})]).not.toEqual([MapWrapper.createFromStringMap({'a':'c'})]);
-      });
     });
 
     describe('toEqual for Maps', () => {
diff --git a/modules/benchpress/pubspec.yaml b/modules/benchpress/pubspec.yaml
index b0702439ac..1709063a2b 100644
--- a/modules/benchpress/pubspec.yaml
+++ b/modules/benchpress/pubspec.yaml
@@ -16,4 +16,4 @@ dependency_overrides:
   angular2:
     path: ../angular2
 dev_dependencies:
-  guinness: '^0.1.16'
+  guinness: '^0.1.17'
diff --git a/modules/examples/pubspec.yaml b/modules/examples/pubspec.yaml
index 5b9b95319f..c799570f0a 100644
--- a/modules/examples/pubspec.yaml
+++ b/modules/examples/pubspec.yaml
@@ -8,7 +8,7 @@ dependency_overrides:
   angular2:
     path: ../angular2
 dev_dependencies:
-  guinness: ">=0.1.16 <0.2.0"
+  guinness: ">=0.1.17 <0.2.0"
   benchpress:
     path: ../benchpress
 transformers:
diff --git a/pubspec.yaml b/pubspec.yaml
index 6f31654cc3..5ba90e5ee8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,4 +5,4 @@ dependencies:
   stack_trace: '>=1.1.1 <1.2.0'
 
 dev_dependencies:
-  guinness: ">=0.1.16 <0.2.0"
+  guinness: ">=0.1.17 <0.2.0"
diff --git a/tools/build/dartanalyzer.js b/tools/build/dartanalyzer.js
index ece942269c..107c515d66 100644
--- a/tools/build/dartanalyzer.js
+++ b/tools/build/dartanalyzer.js
@@ -64,6 +64,9 @@ module.exports = function(gulp, plugins, config) {
           if (line.match(/\/test\/core\/compiler\/view_.*spec\.dart/)) {
             return;
           }
+          if (line.match(/\/test_lib_spec\.dart/)) {
+            return;
+          }
         }
         if (line.match(/\[hint\]/)) {
           hintCount++;