diff --git a/packages/animations/browser/src/dsl/animation_transition_factory.ts b/packages/animations/browser/src/dsl/animation_transition_factory.ts
index 8c2a8cb073..80c93757d5 100644
--- a/packages/animations/browser/src/dsl/animation_transition_factory.ts
+++ b/packages/animations/browser/src/dsl/animation_transition_factory.ts
@@ -9,7 +9,7 @@ import {AnimationOptions, ɵStyleData} from '@angular/animations';
 
 import {AnimationDriver} from '../render/animation_driver';
 import {getOrSetAsInMap} from '../render/shared';
-import {copyObj, interpolateParams, iteratorToArray, mergeAnimationOptions} from '../util';
+import {copyObj, interpolateParams, iteratorToArray} from '../util';
 
 import {StyleAst, TransitionAst} from './animation_ast';
 import {buildAnimationTimelines} from './animation_timeline_builder';
diff --git a/packages/animations/browser/src/util.ts b/packages/animations/browser/src/util.ts
index 2f9efc914d..24c51b1547 100644
--- a/packages/animations/browser/src/util.ts
+++ b/packages/animations/browser/src/util.ts
@@ -252,23 +252,6 @@ export function iteratorToArray(iterator: any): any[] {
   return arr;
 }
 
-export function mergeAnimationOptions(
-    source: AnimationOptions, destination: AnimationOptions): AnimationOptions {
-  if (source.params) {
-    const p0 = source.params;
-    if (!destination.params) {
-      destination.params = {};
-    }
-    const p1 = destination.params;
-    Object.keys(p0).forEach(param => {
-      if (!p1.hasOwnProperty(param)) {
-        p1[param] = p0[param];
-      }
-    });
-  }
-  return destination;
-}
-
 const DASH_CASE_REGEXP = /-+([a-z0-9])/g;
 export function dashCaseToCamelCase(input: string): string {
   return input.replace(DASH_CASE_REGEXP, (...m: any[]) => m[1].toUpperCase());