diff --git a/modules/@angular/router-deprecated/src/router.ts b/modules/@angular/router-deprecated/src/router.ts
index ad8c6bd5f3..f6098fedb3 100644
--- a/modules/@angular/router-deprecated/src/router.ts
+++ b/modules/@angular/router-deprecated/src/router.ts
@@ -9,7 +9,6 @@ import {RouterOutlet} from './directives/router_outlet';
 import {getCanActivateHook} from './lifecycle/route_lifecycle_reflector';
 import {RouteDefinition} from './route_config/route_config_impl';
 import {Injectable, Inject} from '@angular/core';
-import {DefaultInstruction} from "./instruction";
 
 let _resolveToTrue = PromiseWrapper.resolve(true);
 let _resolveToFalse = PromiseWrapper.resolve(false);
@@ -132,9 +131,8 @@ export class Router {
    */
   isRouteActive(instruction: Instruction): boolean {
     var router: Router = this;
-    var currentInstruction = this.currentInstruction;
 
-    if (isBlank(currentInstruction)) {
+    if (isBlank(this.currentInstruction)) {
       return false;
     }
 
@@ -144,28 +142,22 @@ export class Router {
       instruction = instruction.child;
     }
 
-    let reason = true;
+    if (isBlank(instruction.component) || isBlank(this.currentInstruction.component) ||
+        this.currentInstruction.component.routeName != instruction.component.routeName) {
+      return false;
+    }
 
-    // check the instructions in depth
-    do {
-      if (isBlank(instruction.component) || isBlank(currentInstruction.component) ||
-          currentInstruction.component.routeName != instruction.component.routeName) {
-        return false;
-      }
-      if (isPresent(instruction.component.params)) {
-        StringMapWrapper.forEach(instruction.component.params, (value, key) => {
-          if (currentInstruction.component.params[key] !== value) {
-            reason = false;
-          }
-        });
-      }
-      currentInstruction = currentInstruction.child;
-      instruction = instruction.child;
-    } while (isPresent(currentInstruction) && isPresent(instruction) &&
-             !(instruction instanceof DefaultInstruction) && reason);
+    let paramEquals = true;
 
-    // ignore DefaultInstruction
-    return reason && (isBlank(instruction) || instruction instanceof DefaultInstruction);
+    if (isPresent(this.currentInstruction.component.params)) {
+      StringMapWrapper.forEach(instruction.component.params, (value, key) => {
+        if (this.currentInstruction.component.params[key] !== value) {
+          paramEquals = false;
+        }
+      });
+    }
+
+    return paramEquals;
   }
 
 
diff --git a/modules/@angular/router-deprecated/test/integration/router_link_spec.ts b/modules/@angular/router-deprecated/test/integration/router_link_spec.ts
index edf1c79372..55d7b2cf11 100644
--- a/modules/@angular/router-deprecated/test/integration/router_link_spec.ts
+++ b/modules/@angular/router-deprecated/test/integration/router_link_spec.ts
@@ -295,51 +295,6 @@ export function main() {
                  router.navigateByUrl('/child-with-grandchild/grandchild?extra=0');
                });
          }));
-
-      it('should not be added to links in other child routes',
-         inject([AsyncTestCompleter], (async) => {
-           router.config([
-                   new Route({path: '/child', component: HelloCmp, name: 'Child'}),
-                   new Route({
-                     path: '/child-with-grandchild/...',
-                     component: ParentCmp,
-                     name: 'ChildWithGrandchild'
-                   }),
-                   new Route({
-                     path: '/child-with-other-grandchild/...',
-                     component: ParentCmp,
-                     name: 'ChildWithOtherGrandchild'
-                   })
-                 ])
-               .then((_) => compile(`<a [routerLink]="['./Child']" class="child-link">Child</a>
-                    <a [routerLink]="['./ChildWithGrandchild/Grandchild']" class="child-with-grandchild-link">Better Child</a>
-                    <a [routerLink]="['./ChildWithOtherGrandchild/Grandchild']" class="child-with-other-grandchild-link">Better Child</a>
-                    <router-outlet></router-outlet>`))
-               .then((_) => {
-                 var element = fixture.debugElement.nativeElement;
-
-                 fixture.detectChanges();
-
-                 var link1 = getDOM().querySelector(element, '.child-link');
-                 var link2 = getDOM().querySelector(element, '.child-with-grandchild-link');
-                 var link3 = getDOM().querySelector(element, '.child-with-other-grandchild-link');
-
-                 expect(link1).not.toHaveCssClass('router-link-active');
-                 expect(link2).not.toHaveCssClass('router-link-active');
-                 expect(link3).not.toHaveCssClass('router-link-active');
-
-                 router.subscribe((_) => {
-                   fixture.detectChanges();
-
-                   expect(link1).not.toHaveCssClass('router-link-active');
-                   expect(link2).toHaveCssClass('router-link-active');
-                   expect(link3).not.toHaveCssClass('router-link-active');
-
-                   async.done();
-                 });
-                 router.navigateByUrl('/child-with-grandchild/grandchild?extra=0');
-               });
-         }));
     });
 
     describe('when clicked', () => {