diff --git a/src/framework/components/camera/system.js b/src/framework/components/camera/system.js
index 21ae340e601..6e66a97320e 100644
--- a/src/framework/components/camera/system.js
+++ b/src/framework/components/camera/system.js
@@ -44,8 +44,6 @@ class CameraComponentSystem extends ComponentSystem {
 
         this.on('beforeremove', this.onBeforeRemove, this);
         this.app.on('prerender', this.onAppPrerender, this);
-
-        this.app.systems.on('update', this.onUpdate, this);
     }
 
     initializeComponentData(component, data, properties) {
@@ -153,9 +151,6 @@ class CameraComponentSystem extends ComponentSystem {
         component.onRemove();
     }
 
-    onUpdate(dt) {
-    }
-
     onAppPrerender() {
         for (let i = 0, len = this.cameras.length; i < len; i++) {
             this.cameras[i].onAppPrerender();
@@ -176,9 +171,9 @@ class CameraComponentSystem extends ComponentSystem {
     }
 
     destroy() {
-        super.destroy();
+        this.app.off('prerender', this.onAppPrerender, this);
 
-        this.app.systems.off('update', this.onUpdate, this);
+        super.destroy();
     }
 }