diff --git a/src/replay/timer.ts b/src/replay/timer.ts
index d6db248b..ec457e24 100644
--- a/src/replay/timer.ts
+++ b/src/replay/timer.ts
@@ -49,7 +49,7 @@ export default class Timer {
   }
 
   public clear() {
-    this.actions = [];
+    this.actions.length = 0;
   }
 
   private findActionIndex(action: actionWithDelay): number {