diff --git a/app/ecs/components/sprite.js b/app/ecs/components/sprite.js
index 0e604c6..4ba4c8e 100644
--- a/app/ecs/components/sprite.js
+++ b/app/ecs/components/sprite.js
@@ -9,11 +9,22 @@ export default class Sprite extends Component {
       get scale() {
         return {x: this.scaleX, y: this.scaleY};
       }
+      toNet() {
+        // eslint-disable-next-line no-unused-vars
+        const {elapsed, ...rest} = super.toNet();
+        return rest;
+      }
     };
   }
   async load(instance) {
     instance.$$sourceJson = await this.ecs.readJson(instance.source);
   }
+  markChange(entityId, key, value) {
+    if ('elapsed' === key) {
+      return;
+    }
+    super.markChange(entityId, key, value);
+  }
   static properties = {
     anchorX: {defaultValue: 0.5, type: 'float32'},
     anchorY: {defaultValue: 0.5, type: 'float32'},