diff --git a/README.md b/README.md
index b5745b5..2c3b129 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,6 @@
         <li><a href="https://brm.io/matter-js/demo/#airFriction">Air Friction</a></li>
         <li><a href="https://brm.io/matter-js/demo/#staticFriction">Static Friction</a></li>
         <li><a href="https://brm.io/matter-js/demo/#sleeping">Sleeping</a></li>
-        <li><a href="https://brm.io/matter-js/demo/#broadphase">Grid Broadphase</a></li>
         <li><a href="https://brm.io/matter-js/demo/#beachBalls">Beach Balls</a></li>
         <li><a href="https://brm.io/matter-js/demo/#stress">Stress 1</a></li>
         <li><a href="https://brm.io/matter-js/demo/#stress2">Stress 2</a></li>
diff --git a/examples/broadphase.js b/examples/broadphase.js
deleted file mode 100644
index deb7963..0000000
--- a/examples/broadphase.js
+++ /dev/null
@@ -1,103 +0,0 @@
-var Example = Example || {};
-
-Example.broadphase = function() {
-    var Engine = Matter.Engine,
-        Render = Matter.Render,
-        Runner = Matter.Runner,
-        Composites = Matter.Composites,
-        Common = Matter.Common,
-        MouseConstraint = Matter.MouseConstraint,
-        Mouse = Matter.Mouse,
-        Composite = Matter.Composite,
-        Bodies = Matter.Bodies;
-
-    // create engine
-    var engine = Engine.create(),
-        world = engine.world;
-
-    // create renderer
-    var render = Render.create({
-        element: document.body,
-        engine: engine,
-        options: {
-            width: 800,
-            height: 600,
-            showAngleIndicator: true,
-            showBroadphase: true
-        }
-    });
-
-    Render.run(render);
-
-    // create runner
-    var runner = Runner.create();
-    Runner.run(runner, engine);
-
-    // add bodies
-    Composite.add(world, [
-        // walls
-        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
-        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
-        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
-        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
-    ]);
-
-    var stack = Composites.stack(20, 20, 12, 5, 0, 0, function(x, y) {
-        switch (Math.round(Common.random(0, 1))) {
-
-        case 0:
-            if (Common.random() < 0.8) {
-                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
-            } else {
-                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
-            }
-        case 1:
-            return Bodies.polygon(x, y, Math.round(Common.random(1, 8)), Common.random(20, 50));
-
-        }
-    });
-    
-    Composite.add(world, stack);
-
-    // add mouse control
-    var mouse = Mouse.create(render.canvas),
-        mouseConstraint = MouseConstraint.create(engine, {
-            mouse: mouse,
-            constraint: {
-                stiffness: 0.2,
-                render: {
-                    visible: false
-                }
-            }
-        });
-
-    Composite.add(world, mouseConstraint);
-
-    // keep the mouse in sync with rendering
-    render.mouse = mouse;
-
-    // fit the render viewport to the scene
-    Render.lookAt(render, {
-        min: { x: 0, y: 0 },
-        max: { x: 800, y: 600 }
-    });
-
-    // context for MatterTools.Demo
-    return {
-        engine: engine,
-        runner: runner,
-        render: render,
-        canvas: render.canvas,
-        stop: function() {
-            Matter.Render.stop(render);
-            Matter.Runner.stop(runner);
-        }
-    };
-};
-
-Example.broadphase.title = 'Broadphase';
-Example.broadphase.for = '>=0.14.2';
-
-if (typeof module !== 'undefined') {
-    module.exports = Example.broadphase;
-}
diff --git a/examples/index.js b/examples/index.js
index 3205a4f..e11d4e9 100644
--- a/examples/index.js
+++ b/examples/index.js
@@ -3,7 +3,6 @@ module.exports = {
     avalanche: require('./avalanche.js'),
     ballPool: require('./ballPool.js'),
     bridge: require('./bridge.js'),
-    broadphase: require('./broadphase.js'),
     car: require('./car.js'),
     catapult: require('./catapult.js'),
     chains: require('./chains.js'),
diff --git a/examples/raycasting.js b/examples/raycasting.js
index 347f4de..4348c36 100644
--- a/examples/raycasting.js
+++ b/examples/raycasting.js
@@ -68,7 +68,7 @@ Example.raycasting = function() {
         Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
     ]);
 
-    var collisions,
+    var collisions = [],
         startPoint = { x: 400, y: 100 };
 
     Events.on(engine, 'afterUpdate', function() {