diff --git a/client/index.js b/client/index.js
index c141961..0946691 100644
--- a/client/index.js
+++ b/client/index.js
@@ -3,14 +3,12 @@ import {EntityList} from '@avocado/entity';
 import {ActionRegistry} from '@avocado/input';
 import {Container, Renderer, ShapeView} from '@avocado/graphics';
 import {shapeFromJSON} from '@avocado/physics';
-import {World} from '@avocado/physics/dummy';
 import {StateSynchronizer} from '@avocado/state';
 import {Animation} from '@avocado/timing';
 
 const stage = new Container();
 
 const entityList = new EntityList();
-entityList.world = new World();
 const stateSynchronizer = new StateSynchronizer({
   entityList,
 });
@@ -69,16 +67,16 @@ const messageHandle = setInterval(() => {
   }
 }, 1000 / 60);
 // Prediction.
-let lastTime = performance.now();
-const predictionHandle = setInterval(() => {
-  const now = performance.now();
-  const elapsed = (now - lastTime) / 1000;
-  lastTime = now;
-  if (hasSelfEntity()) {
-    selfEntity.inputState = actionState.toJS();
-  }
-  entityList.tick(elapsed);
-}, 1000 / 80);
+// let lastTime = performance.now();
+// const predictionHandle = setInterval(() => {
+//   const now = performance.now();
+//   const elapsed = (now - lastTime) / 1000;
+//   lastTime = now;
+//   if (hasSelfEntity()) {
+//     selfEntity.inputState = actionState.toJS();
+//   }
+//   entityList.tick(elapsed);
+// }, 1000 / 80);
 // State updates.
 let dirty = false;
 function onMessage({type, payload}) {