diff --git a/angularjs/angular-component-router.d.ts b/angularjs/angular-component-router.d.ts
index 3b6e2b726..228db1e01 100644
--- a/angularjs/angular-component-router.d.ts
+++ b/angularjs/angular-component-router.d.ts
@@ -38,7 +38,7 @@ declare module angular {
     interface Instruction {
         component: ComponentInstruction;
         child: Instruction;
-        auxInstruction: {[key: string]: Instruction} = {};
+        auxInstruction: {[key: string]: Instruction};
 
         urlPath(): string;