diff --git a/src/datepicker/datepicker-navigation-select.ts b/src/datepicker/datepicker-navigation-select.ts
index 95732887a2..897a139d0d 100644
--- a/src/datepicker/datepicker-navigation-select.ts
+++ b/src/datepicker/datepicker-navigation-select.ts
@@ -1,4 +1,15 @@
-import {Component, Input, Output, EventEmitter, ChangeDetectionStrategy, ViewEncapsulation} from '@angular/core';
+import {
+ Component,
+ Input,
+ Output,
+ EventEmitter,
+ ChangeDetectionStrategy,
+ ViewEncapsulation,
+ AfterViewChecked,
+ ViewChild,
+ ElementRef,
+ Renderer2
+} from '@angular/core';
import {NgbDate} from './ngb-date';
import {toInteger} from '../util/util';
import {NgbDatepickerI18n} from './datepicker-i18n';
@@ -9,19 +20,17 @@ import {NgbDatepickerI18n} from './datepicker-i18n';
encapsulation: ViewEncapsulation.None,
styleUrls: ['./datepicker-navigation-select.scss'],
template: `
-