diff --git a/packages/core/src/core_private_export.ts b/packages/core/src/core_private_export.ts
index f56c13e4e5..5b35140710 100644
--- a/packages/core/src/core_private_export.ts
+++ b/packages/core/src/core_private_export.ts
@@ -8,7 +8,7 @@
 
 export {ALLOW_MULTIPLE_PLATFORMS as ɵALLOW_MULTIPLE_PLATFORMS} from './application_ref';
 export {APP_ID_RANDOM_PROVIDER as ɵAPP_ID_RANDOM_PROVIDER} from './application_tokens';
-export {defaultIterableDiffers as ɵdefaultIterableDiffers} from './change_detection/change_detection';
+export {defaultIterableDiffers as ɵdefaultIterableDiffers, defaultKeyValueDiffers as ɵdefaultKeyValueDiffers} from './change_detection/change_detection';
 export {devModeEqual as ɵdevModeEqual} from './change_detection/change_detection_util';
 export {isListLikeIterable as ɵisListLikeIterable} from './change_detection/change_detection_util';
 export {ChangeDetectorStatus as ɵChangeDetectorStatus, isDefaultChangeDetectionStrategy as ɵisDefaultChangeDetectionStrategy} from './change_detection/constants';