diff --git a/lib/plots/canopy.js b/lib/plots/canopy.js
index 0915dfe9..db631316 100644
--- a/lib/plots/canopy.js
+++ b/lib/plots/canopy.js
@@ -3,7 +3,7 @@
 
 import etch from 'etch';
 import { prewalk, postwalk, prefor } from './tree.js';
-import { Etch, Tip, Button, toView } from '../util/etch.js';
+import { Etch, Button, toView } from '../util/etch.js';
 
 function clamp (x, min, max) {
   return Math.min(Math.max(x, min), max)
@@ -26,12 +26,12 @@ function dims(tree) {
       left += ch.width;
     });
     // Centre align children
-    chwidth = parent.children.map(({width})=>width).reduce((a,b)=>a+b, 0);
+    const chwidth = parent.children.map(({width})=>width).reduce((a,b)=>a+b, 0);
     parent.children.forEach(ch => ch.left += (parent.width-chwidth)/2);
     return parent;
   });
   // Scale total height to 100%
-  let max = postwalk(tree, ({height, children}) =>
+  const max = postwalk(tree, ({height, children}) =>
     Math.max(height, ...children.map(x=>x+height)));
   prewalk(tree, (node) => {
     node.top /= max;
@@ -172,7 +172,7 @@ export class Pannable extends Etch {
       this.toolbar = this.toolbar.concat(this.item.toolbar)
     }
 
-    let style = {position:'relative', height:'inherit', width:'inherit', transformOrigin: '0px 0px'}
+    const style = { position:'relative', height:'inherit', width:'inherit', transformOrigin: '0px 0px' }
 
     if (this.zoomstrategy == 'width') {
       style.transform = 'translate('+this.left+'px,'+this.top+'px)'
@@ -214,22 +214,27 @@ export class Pannable extends Etch {
 
 class NodeView extends Etch {
   render() {
-    let {height, width, top, left, onclick, onmouseover, onmouseout} = this.props;
-    return <Clickable onclick={onclick}><div className='node' {...{onmouseover, onmouseout}} style={{
-      height: 100*height+'%',
-      width:  100*width +'%',
-      top:    100*top   +'%',
-      left:   100*left  +'%'
-    }}>
-      <div><div></div></div>
-    </div></Clickable>;
+    const { height, width, top, left, onclick, onmouseover, onmouseout } = this.props;
+    return <Clickable onclick={onclick}>
+      <div className='node' {...{onmouseover, onmouseout}} style={{
+        height: 100*height+'%',
+        width:  100*width +'%',
+        top:    100*top   +'%',
+        left:   100*left  +'%'
+      }}>
+        <div>
+          <div>
+          </div>
+        </div>
+      </div>
+    </Clickable>;
   }
 }
 
 export default class Canopy extends Etch {
-  update({data}) {}
+  update({ data }) {}
   render() {
-    let nodes = [];
+    const nodes = [];
     prefor(dims(this.props.data), node => nodes.push(<NodeView {...node} />));
     return <div className="ink-canopy">
       {nodes}
diff --git a/lib/util/etch.js b/lib/util/etch.js
index 4597d2c6..f4297b69 100644
--- a/lib/util/etch.js
+++ b/lib/util/etch.js
@@ -108,7 +108,6 @@ export class Tip {
       this.tooltip = atom.tooltips.add(this.element, {title: () => this.text});
     }
 
-
     this.text = alt;
     this.child = child;
     etch.update(this, false);