diff --git a/packages/animations/browser/src/render/transition_animation_engine.ts b/packages/animations/browser/src/render/transition_animation_engine.ts
index e1a1ae0041..dcaeccb4f7 100644
--- a/packages/animations/browser/src/render/transition_animation_engine.ts
+++ b/packages/animations/browser/src/render/transition_animation_engine.ts
@@ -1310,10 +1310,10 @@ export class TransitionAnimationPlayer implements AnimationPlayer {
 
   public markedForDestroy: boolean = false;
 
-  readonly queued: boolean = true;
-
   constructor(public namespaceId: string, public triggerName: string, public element: any) {}
 
+  get queued() { return this._containsRealPlayer == false; }
+
   setRealPlayer(player: AnimationPlayer) {
     if (this._containsRealPlayer) return;
 
@@ -1324,7 +1324,6 @@ export class TransitionAnimationPlayer implements AnimationPlayer {
     });
     this._queuedCallbacks = {};
     this._containsRealPlayer = true;
-    (this as{queued: boolean}).queued = false;
   }
 
   getRealPlayer() { return this._player; }
diff --git a/packages/common/http/test/jsonp_mock.ts b/packages/common/http/test/jsonp_mock.ts
index 872a55626b..c631e0c8fa 100644
--- a/packages/common/http/test/jsonp_mock.ts
+++ b/packages/common/http/test/jsonp_mock.ts
@@ -41,4 +41,4 @@ export class MockDocument {
   mockLoad(): void { this.mock !.listeners.load !(null as any); }
 
   mockError(err: Error) { this.mock !.listeners.error !(err); }
-}
+}
\ No newline at end of file
diff --git a/packages/core/src/di/reflective_key.ts b/packages/core/src/di/reflective_key.ts
index 2930744fce..bc51fcb649 100644
--- a/packages/core/src/di/reflective_key.ts
+++ b/packages/core/src/di/reflective_key.ts
@@ -27,11 +27,7 @@ import {resolveForwardRef} from './forward_ref';
  * @deprecated No replacement
  */
 export class ReflectiveKey {
-  /**
-   * Returns a stringified token.
-   */
-  readonly displayName: string;
-
+  public readonly displayName: string;
   /**
    * Private
    */
diff --git a/packages/core/src/di/reflective_provider.ts b/packages/core/src/di/reflective_provider.ts
index 1def0e83c0..1243d8c024 100644
--- a/packages/core/src/di/reflective_provider.ts
+++ b/packages/core/src/di/reflective_provider.ts
@@ -71,13 +71,11 @@ export interface ResolvedReflectiveProvider {
 }
 
 export class ResolvedReflectiveProvider_ implements ResolvedReflectiveProvider {
-  readonly resolvedFactory: ResolvedReflectiveFactory;
-
   constructor(
       public key: ReflectiveKey, public resolvedFactories: ResolvedReflectiveFactory[],
-      public multiProvider: boolean) {
-    this.resolvedFactory = this.resolvedFactories[0];
-  }
+      public multiProvider: boolean) {}
+
+  get resolvedFactory(): ResolvedReflectiveFactory { return this.resolvedFactories[0]; }
 }
 
 /**
diff --git a/packages/core/src/linker/component_factory_resolver.ts b/packages/core/src/linker/component_factory_resolver.ts
index 2ebb7fe369..32c3a8467c 100644
--- a/packages/core/src/linker/component_factory_resolver.ts
+++ b/packages/core/src/linker/component_factory_resolver.ts
@@ -66,20 +66,13 @@ export class CodegenComponentFactoryResolver implements ComponentFactoryResolver
 }
 
 export class ComponentFactoryBoundToModule<C> extends ComponentFactory<C> {
-  readonly selector: string;
-  readonly componentType: Type<any>;
-  readonly ngContentSelectors: string[];
-  readonly inputs: {propName: string, templateName: string}[];
-  readonly outputs: {propName: string, templateName: string}[];
+  constructor(private factory: ComponentFactory<C>, private ngModule: NgModuleRef<any>) { super(); }
 
-  constructor(private factory: ComponentFactory<C>, private ngModule: NgModuleRef<any>) {
-    super();
-    this.selector = factory.selector;
-    this.componentType = factory.componentType;
-    this.ngContentSelectors = factory.ngContentSelectors;
-    this.inputs = factory.inputs;
-    this.outputs = factory.outputs;
-  }
+  get selector() { return this.factory.selector; }
+  get componentType() { return this.factory.componentType; }
+  get ngContentSelectors() { return this.factory.ngContentSelectors; }
+  get inputs() { return this.factory.inputs; }
+  get outputs() { return this.factory.outputs; }
 
   create(
       injector: Injector, projectableNodes?: any[][], rootSelectorOrNode?: string|any,
diff --git a/packages/core/src/linker/query_list.ts b/packages/core/src/linker/query_list.ts
index 07edc590e9..34fc10d5b2 100644
--- a/packages/core/src/linker/query_list.ts
+++ b/packages/core/src/linker/query_list.ts
@@ -41,9 +41,9 @@ export class QueryList<T>/* implements Iterable<T> */ {
   private _results: Array<T> = [];
   public readonly changes: Observable<any> = new EventEmitter();
 
-  readonly length: number;
-  readonly first: T;
-  readonly last: T;
+  get length(): number { return this._results.length; }
+  get first(): T { return this._results[0]; }
+  get last(): T { return this._results[this.length - 1]; }
 
   /**
    * See
@@ -98,9 +98,6 @@ export class QueryList<T>/* implements Iterable<T> */ {
   reset(res: Array<T|any[]>): void {
     this._results = flatten(res);
     (this as{dirty: boolean}).dirty = false;
-    (this as{length: number}).length = this._results.length;
-    (this as{last: T}).last = this._results[this.length - 1];
-    (this as{first: T}).first = this._results[0];
   }
 
   notifyOnChanges(): void { (this.changes as EventEmitter<any>).emit(this); }
diff --git a/packages/core/src/view/refs.ts b/packages/core/src/view/refs.ts
index 8108cd20fc..27de9521a6 100644
--- a/packages/core/src/view/refs.ts
+++ b/packages/core/src/view/refs.ts
@@ -478,8 +478,6 @@ class NgModuleRef_ implements NgModuleData, InternalNgModuleRef<any> {
   /** @internal */
   _providers: any[];
 
-  readonly injector: Injector = this;
-
   constructor(
       private _moduleType: Type<any>, public _parent: Injector,
       public _bootstrapComponents: Type<any>[], public _def: NgModuleDefinition) {
@@ -495,6 +493,8 @@ class NgModuleRef_ implements NgModuleData, InternalNgModuleRef<any> {
 
   get componentFactoryResolver() { return this.get(ComponentFactoryResolver); }
 
+  get injector(): Injector { return this; }
+
   destroy(): void {
     if (this._destroyed) {
       throw new Error(
diff --git a/packages/core/src/view/services.ts b/packages/core/src/view/services.ts
index c3c973591a..61df5225a7 100644
--- a/packages/core/src/view/services.ts
+++ b/packages/core/src/view/services.ts
@@ -618,8 +618,9 @@ class DebugRendererFactory2 implements RendererFactory2 {
 
 
 class DebugRenderer2 implements Renderer2 {
-  readonly data: {[key: string]: any};
-  constructor(private delegate: Renderer2) { this.data = this.delegate.data; }
+  constructor(private delegate: Renderer2) {}
+
+  get data() { return this.delegate.data; }
 
   destroyNode(node: any) {
     removeDebugNodeFromIndex(getDebugNode(node) !);
diff --git a/packages/language-service/src/locate_symbol.ts b/packages/language-service/src/locate_symbol.ts
index eb634f877a..c1e9a0e161 100644
--- a/packages/language-service/src/locate_symbol.ts
+++ b/packages/language-service/src/locate_symbol.ts
@@ -171,13 +171,21 @@ function invertMap(obj: {[name: string]: string}): {[name: string]: string} {
 class OverrideKindSymbol implements Symbol {
   public readonly kind: string;
   constructor(private sym: Symbol, kindOverride: string) { this.kind = kindOverride; }
+
   get name(): string { return this.sym.name; }
+
   get language(): string { return this.sym.language; }
+
   get type(): Symbol|undefined { return this.sym.type; }
+
   get container(): Symbol|undefined { return this.sym.container; }
+
   get public(): boolean { return this.sym.public; }
+
   get callable(): boolean { return this.sym.callable; }
+
   get nullable(): boolean { return this.sym.nullable; }
+
   get definition(): Definition { return this.sym.definition; }
 
   members() { return this.sym.members(); }
diff --git a/packages/platform-browser/animations/src/animation_renderer.ts b/packages/platform-browser/animations/src/animation_renderer.ts
index b07e45b4fb..9c360da927 100644
--- a/packages/platform-browser/animations/src/animation_renderer.ts
+++ b/packages/platform-browser/animations/src/animation_renderer.ts
@@ -114,14 +114,13 @@ export class AnimationRendererFactory implements RendererFactory2 {
 }
 
 export class BaseAnimationRenderer implements Renderer2 {
-  readonly data: {[key: string]: any};
-
   constructor(
       protected namespaceId: string, public delegate: Renderer2, public engine: AnimationEngine) {
     this.destroyNode = this.delegate.destroyNode ? (n) => delegate.destroyNode !(n) : null;
-    this.data = delegate.data;
   }
 
+  get data() { return this.delegate.data; }
+
   destroyNode: ((n: any) => void)|null;
 
   destroy(): void {
diff --git a/packages/platform-browser/src/browser/location/browser_platform_location.ts b/packages/platform-browser/src/browser/location/browser_platform_location.ts
index 9bd72bf01b..523ef0b8cf 100644
--- a/packages/platform-browser/src/browser/location/browser_platform_location.ts
+++ b/packages/platform-browser/src/browser/location/browser_platform_location.ts
@@ -23,10 +23,7 @@ import {supportsState} from './history';
  */
 @Injectable()
 export class BrowserPlatformLocation extends PlatformLocation {
-  readonly location: Location;
-  readonly search: string;
-  readonly hash: string;
-
+  public readonly location: Location;
   private _history: History;
 
   constructor(@Inject(DOCUMENT) private _doc: any) {
@@ -39,8 +36,6 @@ export class BrowserPlatformLocation extends PlatformLocation {
   _init() {
     (this as{location: Location}).location = getDOM().getLocation();
     this._history = getDOM().getHistory();
-    (this as{hash: string}).hash = this.location.hash;
-    (this as{search: string}).search = this.location.search;
   }
 
   getBaseHrefFromDOM(): string { return getDOM().getBaseHref(this._doc) !; }
@@ -54,6 +49,8 @@ export class BrowserPlatformLocation extends PlatformLocation {
   }
 
   get pathname(): string { return this.location.pathname; }
+  get search(): string { return this.location.search; }
+  get hash(): string { return this.location.hash; }
   set pathname(newPath: string) { this.location.pathname = newPath; }
 
   pushState(state: any, title: string, url: string): void {
diff --git a/packages/platform-server/src/http.ts b/packages/platform-server/src/http.ts
index e9a52d3283..b2ad9bd7b8 100644
--- a/packages/platform-server/src/http.ts
+++ b/packages/platform-server/src/http.ts
@@ -117,7 +117,6 @@ export class ZoneMacroTaskConnection extends ZoneMacroTaskWrapper<Request, Respo
     Connection {
   response: Observable<Response>;
   lastConnection: Connection;
-  readonly readyState: ReadyState;
 
   constructor(public request: Request, private backend: XHRBackend) {
     super();
@@ -127,10 +126,12 @@ export class ZoneMacroTaskConnection extends ZoneMacroTaskWrapper<Request, Respo
 
   delegate(request: Request): Observable<Response> {
     this.lastConnection = this.backend.createConnection(request);
-    (this as{readyState: ReadyState}).readyState =
-        !!this.lastConnection ? this.lastConnection.readyState : ReadyState.Unsent;
     return this.lastConnection.response as Observable<Response>;
   }
+
+  get readyState(): ReadyState {
+    return !!this.lastConnection ? this.lastConnection.readyState : ReadyState.Unsent;
+  }
 }
 
 export class ZoneMacroTaskBackend implements ConnectionBackend {
diff --git a/packages/platform-webworker/src/web_workers/worker/platform_location.ts b/packages/platform-webworker/src/web_workers/worker/platform_location.ts
index 83ee65443f..4322cad88a 100644
--- a/packages/platform-webworker/src/web_workers/worker/platform_location.ts
+++ b/packages/platform-webworker/src/web_workers/worker/platform_location.ts
@@ -23,9 +23,6 @@ export class WebWorkerPlatformLocation extends PlatformLocation {
   public initialized: Promise<any>;
   private initializedResolve: () => void;
 
-  readonly search: string;
-  readonly hash: string;
-
   constructor(
       brokerFactory: ClientMessageBrokerFactory, bus: MessageBus, private _serializer: Serializer) {
     super();
@@ -45,7 +42,7 @@ export class WebWorkerPlatformLocation extends PlatformLocation {
 
           if (listeners) {
             // There was a popState or hashChange event, so the location object thas been updated
-            this._setLocation(this._serializer.deserialize(msg['location'], LocationType));
+            this._location = this._serializer.deserialize(msg['location'], LocationType);
             listeners.forEach((fn: Function) => fn(msg['event']));
           }
         }
@@ -60,7 +57,7 @@ export class WebWorkerPlatformLocation extends PlatformLocation {
 
     return this._broker.runOnService(args, LocationType) !.then(
         (val: LocationType) => {
-          this._setLocation(val);
+          this._location = val;
           this.initializedResolve();
           return true;
         },
@@ -78,6 +75,10 @@ export class WebWorkerPlatformLocation extends PlatformLocation {
 
   get pathname(): string { return this._location ? this._location.pathname ! : '<unknown>'; }
 
+  get search(): string { return this._location ? this._location.search : '<unknown>'; }
+
+  get hash(): string { return this._location ? this._location.hash : '<unknown>'; }
+
   set pathname(newPath: string) {
     if (this._location === null) {
       throw new Error('Attempt to set pathname before value is obtained from UI');
@@ -90,12 +91,6 @@ export class WebWorkerPlatformLocation extends PlatformLocation {
     this._broker.runOnService(args, null);
   }
 
-  private _setLocation(location: LocationType) {
-    this._location = location;
-    (this as{search: string}).search = this._location ? this._location.search : '<unknown>';
-    (this as{hash: string}).hash = this._location ? this._location.hash : '<unknown>';
-  }
-
   pushState(state: any, title: string, url: string): void {
     const fnArgs = [
       new FnArg(state, SerializerTypes.PRIMITIVE),
diff --git a/packages/router/src/pre_activation.ts b/packages/router/src/pre_activation.ts
index bad6aa8dbf..b247d58ed8 100644
--- a/packages/router/src/pre_activation.ts
+++ b/packages/router/src/pre_activation.ts
@@ -26,10 +26,8 @@ import {andObservables, forEach, shallowEqual, wrapIntoObservable} from './utils
 import {TreeNode, nodeChildrenAsMap} from './utils/tree';
 
 class CanActivate {
-  readonly route: ActivatedRouteSnapshot;
-  constructor(public path: ActivatedRouteSnapshot[]) {
-    this.route = this.path[this.path.length - 1];
-  }
+  constructor(public path: ActivatedRouteSnapshot[]) {}
+  get route(): ActivatedRouteSnapshot { return this.path[this.path.length - 1]; }
 }
 
 class CanDeactivate {