diff --git a/components/cascader/cascader.component.ts b/components/cascader/cascader.component.ts
index a51d54aa2af..a34b65525b8 100644
--- a/components/cascader/cascader.component.ts
+++ b/components/cascader/cascader.component.ts
@@ -556,7 +556,6 @@ export class NzCascaderComponent implements NzCascaderComponentAsSource, OnInit,
     this.delaySetMenuVisible(true, this.nzMouseEnterDelay, true);
   }
 
-  @HostListener('mouseleave', ['$event'])
   onTriggerMouseLeave(event: MouseEvent): void {
     if (this.nzDisabled || !this.menuVisible || this.isOpening || !this.isActionTrigger('hover')) {
       event.preventDefault();