diff --git a/components/carousel/nz-carousel.component.html b/components/carousel/nz-carousel.component.html
index dfdb4f84e00..8cf27e30c9c 100755
--- a/components/carousel/nz-carousel.component.html
+++ b/components/carousel/nz-carousel.component.html
@@ -1,4 +1,4 @@
-<div class="slick-initialized slick-slider" [class.slick-vertical]="nzVertical">
+<div class="slick-initialized slick-slider" [class.slick-vertical]="nzDotPosition === 'left' || nzDotPosition === 'right'">
   <div
     #slickList
     class="slick-list"
diff --git a/components/carousel/nz-carousel.component.ts b/components/carousel/nz-carousel.component.ts
index e2a4c29aa7d..66b3843bd5d 100755
--- a/components/carousel/nz-carousel.component.ts
+++ b/components/carousel/nz-carousel.component.ts
@@ -33,15 +33,7 @@ import {
 import { Subject } from 'rxjs';
 import { finalize, takeUntil } from 'rxjs/operators';
 
-import {
-  InputBoolean,
-  InputNumber,
-  NzConfigService,
-  NzDomEventService,
-  NzDragService,
-  warnDeprecation,
-  WithConfig
-} from 'ng-zorro-antd/core';
+import { InputBoolean, InputNumber, NzConfigService, NzDomEventService, NzDragService, WithConfig } from 'ng-zorro-antd/core';
 
 import { NzCarouselContentDirective } from './nz-carousel-content.directive';
 import {
@@ -102,17 +94,6 @@ export class NzCarouselComponent implements AfterContentInit, AfterViewInit, OnD
   @Input() @WithConfig(NZ_CONFIG_COMPONENT_NAME, 3000) @InputNumber() nzAutoPlaySpeed: number;
   @Input() @InputNumber() nzTransitionSpeed = 500;
 
-  @Input()
-  @InputBoolean()
-  get nzVertical(): boolean {
-    return this.vertical;
-  }
-
-  set nzVertical(value: boolean) {
-    warnDeprecation(`'nzVertical' is deprecated and will be removed in 9.0.0. Please use 'nzDotPosition' instead.`);
-    this.vertical = value;
-  }
-
   @Input()
   @WithConfig(NZ_CONFIG_COMPONENT_NAME, 'bottom')
   set nzDotPosition(value: NzCarouselDotPosition) {
@@ -314,7 +295,6 @@ export class NzCarouselComponent implements AfterContentInit, AfterViewInit, OnD
 
   /**
    * Drag carousel.
-   * @param event
    */
   pointerDown = (event: TouchEvent | MouseEvent) => {
     if (!this.isDragging && !this.isTransiting && this.nzEnableSwipe) {
diff --git a/components/carousel/nz-carousel.spec.ts b/components/carousel/nz-carousel.spec.ts
index 3cae71f67ee..cfc02446f84 100644
--- a/components/carousel/nz-carousel.spec.ts
+++ b/components/carousel/nz-carousel.spec.ts
@@ -15,7 +15,6 @@ import { NzCarouselOpacityStrategy } from './strategies/opacity-strategy';
   template: `
     <nz-carousel
       [nzEffect]="effect"
-      [nzVertical]="vertical"
       [nzDots]="dots"
       [nzDotPosition]="dotPosition"
       [nzDotRender]="dotRender"
@@ -37,7 +36,6 @@ export class NzTestCarouselBasicComponent {
   @ViewChild(NzCarouselComponent, { static: false }) nzCarouselComponent: NzCarouselComponent;
   dots = true;
   dotPosition = 'bottom';
-  vertical = false;
   effect = 'scrollx';
   array = [1, 2, 3, 4];
   autoPlay = false;
@@ -134,21 +132,6 @@ describe('carousel', () => {
       expect(carouselContents[0].nativeElement.classList).toContain('slick-active');
     }));
 
-    // @deprecated 9.0.0
-    it('should vertical work', () => {
-      fixture.detectChanges();
-
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).toContain('slick-initialized');
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).toContain('slick-slider');
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).not.toContain('slick-vertical');
-      testComponent.vertical = true;
-      fixture.detectChanges();
-
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).toContain('slick-initialized');
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).toContain('slick-slider');
-      expect(carouselWrapper.nativeElement.firstElementChild!.classList).toContain('slick-vertical');
-    });
-
     it('should nzDotPosition work', () => {
       testComponent.dotPosition = 'left';
       fixture.detectChanges();
@@ -165,7 +148,7 @@ describe('carousel', () => {
       expect(carouselWrapper.nativeElement.querySelector('.slick-track').style.transform).not.toBe('');
 
       testComponent.effect = 'fade';
-      testComponent.vertical = true;
+      testComponent.dotPosition = 'left';
       fixture.detectChanges();
       expect(carouselContents[0].nativeElement.classList).toContain('slick-active');
       carouselWrapper.nativeElement.querySelector('.slick-dots').lastElementChild.click();
@@ -297,8 +280,8 @@ describe('carousel', () => {
         expect(testComponent.nzCarouselComponent.slickTrackEl.style.transform).toBe(`translate3d(0px, 0px, 0px)`);
       }));
 
-      it('vertical transform', fakeAsync(() => {
-        testComponent.vertical = true;
+      it('vertical', fakeAsync(() => {
+        testComponent.dotPosition = 'left';
         fixture.detectChanges();
 
         expect(testComponent.nzCarouselComponent.slickTrackEl.style.transform).toBe(`translate3d(0px, 0px, 0px)`);