diff --git a/editors/demo/src/HHMI/HHMI.js b/editors/demo/src/HHMI/HHMI.js
index 9846f6526e36e131555b180f18b24e2a4f1661fd..956b2d8a90c985ef729c79273e102cd0e4a92db0 100644
--- a/editors/demo/src/HHMI/HHMI.js
+++ b/editors/demo/src/HHMI/HHMI.js
@@ -1,24 +1,10 @@
 import React from 'react';
-import { createGlobalStyle } from 'styled-components';
 
 import { Wax } from 'wax-prosemirror-core';
 
 import { HhmiLayout } from './layout';
 import { config } from './config';
 
-const GlobalStyle = createGlobalStyle`
-  body {
-    margin: 0;
-    overflow-y: hidden;
-    padding: 0;
-  }
-
-  #root {
-    height:100vh;
-    width:100vw;
-  }
-`;
-
 const renderImage = file => {
   const reader = new FileReader();
   return new Promise((accept, fail) => {
@@ -32,18 +18,15 @@ const renderImage = file => {
 const Hhmi = () => {
   return (
     <>
-      <GlobalStyle />
       <Wax
         config={config}
         autoFocus
-        placeholder="Type Something..."
         fileUpload={file => renderImage(file)}
         value=""
         targetFormat="JSON"
         // readonly
         layout={HhmiLayout}
         // onChange={source => console.log(source)}
-        // user={user}
       />
     </>
   );
diff --git a/editors/demo/src/HHMI/layout/EditorElements.js b/editors/demo/src/HHMI/layout/EditorElements.js
index deec1057692687c96a3c84d2567ae6642b424c29..bdf538bc6fda880ff6bc5e17096e879e32179f12 100644
--- a/editors/demo/src/HHMI/layout/EditorElements.js
+++ b/editors/demo/src/HHMI/layout/EditorElements.js
@@ -1,6 +1,6 @@
 import { css } from 'styled-components';
 
-import { lighten, th } from '@pubsweet/ui-toolkit';
+import { th } from '@pubsweet/ui-toolkit';
 
 /* All styles regarding ProseMirror surface and elements */
 
@@ -54,37 +54,17 @@ export default css`
     font-size: 14px;
   } */
 
-  .ProseMirror footnote {
-    font-variant-numeric: lining-nums proportional-nums;
-    display: inline-block;
-    text-align: center;
-    width: 17px;
-    height: 17px;
-    background: white;
-    border-bottom: 2px solid black;
-    color: black;
-    cursor: pointer;
-  }
-
-  .ProseMirror footnote::after {
-    content: counter(footnote);
-    position: relative;
-    bottom: 2px;
-    font-size: 16px;
-    counter-increment: footnote;
-  }
-
   hr {
-    padding: 2px 10px;
     border: none;
     margin: 1em 0;
+    padding: 2px 10px;
   }
 
   hr:after {
+    background-color: silver;
     content: '';
     display: block;
     height: 1px;
-    background-color: silver;
     line-height: 2px;
   }
 
@@ -94,10 +74,10 @@ export default css`
   }
 
   blockquote {
-    padding-left: 1em;
     border-left: 3px solid #eee;
     margin-left: 0;
     margin-right: 0;
+    padding-left: 1em;
   }
 
   figure {
@@ -144,15 +124,15 @@ export default css`
   /* Tables */
 
   table {
+    border: 1px solid #eee;
     border-collapse: initial;
     border-spacing: 0;
     border-width: 0 thin thin 0;
-    border: 1px solid #eee;
-    table-layout: fixed;
-    width: 100%;
     margin: 0;
     overflow: hidden;
     page-break-inside: avoid;
+    table-layout: fixed;
+    width: 100%;
   }
 
   th,
@@ -170,14 +150,14 @@ export default css`
   }
 
   .column-resize-handle {
+    background-color: #adf;
+    bottom: 0;
+    pointer-events: none;
     position: absolute;
     right: -2px;
     top: 0;
-    bottom: 0;
     width: 4px;
     z-index: 20;
-    background-color: #adf;
-    pointer-events: none;
   }
 
   .ProseMirror.resize-cursor {
@@ -186,15 +166,15 @@ export default css`
   }
   /* Give selected cells a blue overlay */
   .selectedCell:after {
-    z-index: 2;
-    position: absolute;
+    background: rgba(200, 200, 255, 0.4);
+    bottom: 0;
     content: '';
     left: 0;
+    pointer-events: none;
+    position: absolute;
     right: 0;
     top: 0;
-    bottom: 0;
-    background: rgba(200, 200, 255, 0.4);
-    pointer-events: none;
+    z-index: 2;
   }
 
   /* placeholder */
@@ -238,77 +218,6 @@ export default css`
     content: '¶';
   }
 
-  span.deletion {
-    text-decoration: line-through;
-    color: ${th('colorError')};
-    footnote {
-      background: ${th('colorError')};
-    }
-  }
-
-  span.insertion {
-    color: royalblue;
-    footnote {
-      background: royalblue;
-    }
-  }
-
-  .selected-insertion {
-    background: ${lighten('royalblue', 0.65)};
-  }
-
-  .selected-deletion {
-    background: ${lighten('indianred', 0.65)};
-  }
-
-  .selected-format-change,
-  .selected-block-change {
-    background-color: #eefbfb;
-  }
-
-  .format-change {
-    border-bottom: 2px solid royalblue;
-  }
-
-  [data-track] {
-    position: relative;
-  }
-
-  [data-track]::before {
-    content: '';
-    position: absolute;
-    border-left: 2px solid royalblue;
-    left: -10px;
-    height: 100%;
-  }
-
-  .insertion .show-insertion {
-    color: black;
-  }
-
-  .deletion .hide-deletion {
-    display: none;
-  }
-
-  li[data-track]::before,
-  li [data-track]::before {
-    left: -5px;
-  }
-
-  span.comment {
-    border-bottom: 2px solid gold;
-    border-radius: 3px 3px 0 0;
-
-    .active-comment {
-      background-color: gold;
-      /* color: black; */
-    }
-  }
-
-  span.search-result {
-    background: #bee594;
-  }
-
   /* == Math Nodes ======================================== */
 
   .math-node {
@@ -342,8 +251,8 @@ export default css`
   }
 
   .math-node .math-src {
-    display: none;
     color: rgb(132, 33, 162);
+    display: none;
     tab-size: 4;
   }
 
@@ -424,52 +333,6 @@ export default css`
     padding-top: 2px;
   }
 
-  span[data-type='inline'] {
-    display: inline;
-    font-weight: 500;
-  }
-
-  span[data-type='inline']:before {
-    color: #006f19;
-    content: ' | ';
-    font-weight: 600;
-    margin-left: 0;
-  }
-
-  span[data-type='inline']:after {
-    color: #006f19;
-    content: ' | ';
-    display: inline;
-    font-weight: 600;
-  }
-
-  p[data-type='block'] {
-    display: block;
-    margin-top: 1em;
-  }
-
-  p[data-type='block']:before {
-    color: #006f19;
-    content: '⌜';
-    display: inline;
-    font-weight: 600;
-    font-size: 22px;
-    position: relative;
-    top: 2px;
-    left: 6px;
-  }
-
-  p[data-type='block']:after {
-    color: #006f19;
-    content: '⌟';
-    display: inline;
-    font-weight: 600;
-    font-size: 22px;
-    position: relative;
-    top: 5px;
-    right: 6px;
-  }
-
   .transform-icon {
     transform: rotate(40deg);
   }
diff --git a/editors/demo/src/HHMI/layout/HhmiLayout.js b/editors/demo/src/HHMI/layout/HhmiLayout.js
index e0c14eb82a6709978b66f766bf786ef2ccbd3602..4ad5f65d176cab6b0cc9710dde33c8c6136d0cfa 100644
--- a/editors/demo/src/HHMI/layout/HhmiLayout.js
+++ b/editors/demo/src/HHMI/layout/HhmiLayout.js
@@ -1,7 +1,5 @@
-import React, { useContext, useState, useCallback, useEffect } from 'react';
-import styled, { css, ThemeProvider } from 'styled-components';
-import PanelGroup from 'react-panelgroup';
-import { DocumentHelpers } from 'wax-prosemirror-utilities';
+import React, { useContext } from 'react';
+import styled, { ThemeProvider } from 'styled-components';
 import { WaxContext, ComponentPlugin } from 'wax-prosemirror-core';
 import { grid, th } from '@pubsweet/ui-toolkit';
 import { cokoTheme } from '../theme';
@@ -10,37 +8,16 @@ import EditorElements from './EditorElements';
 /* Katex css */
 import '~../../katex/dist/katex.min.css';
 
-const divider = css`
-  .panelGroup {
-    background: #fff;
-  }
-  .divider {
-    > div {
-      background: ${th('colorBorder')};
-      height: ${grid(1)};
-      max-height: ${grid(1)};
-
-      &:hover {
-        height: ${grid(2)};
-        max-height: ${grid(2)};
-      }
-    }
-  }
-`;
-
 const Wrapper = styled.div`
   background: ${th('colorBackground')};
-  font-family: ${th('fontInterface')};
-  font-size: ${th('fontSizeBase')};
-  line-height: ${grid(4)};
   display: flex;
   flex-direction: column;
-
+  font-family: ${th('fontInterface')};
+  font-size: ${th('fontSizeBase')};
   height: 100%;
-  width: 100%;
+  line-height: ${grid(4)};
   overflow: hidden;
-
-  ${divider}
+  width: 100%;
 
   * {
     box-sizing: border-box;
@@ -54,12 +31,12 @@ const Main = styled.div`
 `;
 
 const TopMenu = styled.div`
+  background: ${th('colorBackgroundToolBar')};
+  border-bottom: ${th('borderWidth')} ${th('borderStyle')} ${th('colorBorder')};
+  border-top: ${th('borderWidth')} ${th('borderStyle')} ${th('colorBorder')};
   display: flex;
   min-height: 40px;
   user-select: none;
-  background: ${th('colorBackgroundToolBar')};
-  border-top: ${th('borderWidth')} ${th('borderStyle')} ${th('colorBorder')};
-  border-bottom: ${th('borderWidth')} ${th('borderStyle')} ${th('colorBorder')};
 
   > div:not(:last-child) {
     border-right: ${th('borderWidth')} ${th('borderStyle')}
@@ -85,19 +62,19 @@ const EditorArea = styled.div`
 `;
 
 const WaxSurfaceScroll = styled.div`
-  overflow-y: auto;
-  display: flex;
   box-sizing: border-box;
+  display: flex;
   height: 100%;
-  width: 100%;
+  overflow-y: auto;
   position: absolute;
+  width: 100%;
   /* PM styles  for main content*/
   ${EditorElements};
 `;
 
 const EditorContainer = styled.div`
-  width: 65%;
   height: 100%;
+  width: 65%;
 
   .ProseMirror {
     box-shadow: 0 0 8px #ecedf1;
@@ -106,107 +83,11 @@ const EditorContainer = styled.div`
   }
 `;
 
-const CommentsContainer = styled.div`
-  display: flex;
-  flex-direction: column;
-  width: 35%;
-  height: 100%;
-`;
-
-const CommentsContainerNotes = styled.div`
-  display: flex;
-  flex-direction: column;
-  width: 35%;
-  height: 100%;
-`;
-
-const CommentTrackToolsContainer = styled.div`
-  display: flex;
-  position: fixed;
-  padding-top: 5px;
-  right: 30px;
-  z-index: 1;
-  background: white;
-  width: 25%;
-`;
-
-const CommentTrackTools = styled.div`
-  margin-left: auto;
-  display: flex;
-  position: relative;
-  z-index: 1;
-`;
-
-const CommentTrackOptions = styled.div`
-  display: flex;
-  margin-left: 10px;
-  bottom: 5px;
-  position: relative;
-`;
-
-const NotesAreaContainer = styled.div`
-  background: #fff;
-  display: flex;
-  flex-direction: row;
-  width: 100%;
-  height: 100%;
-  overflow-y: scroll;
-  position: absolute;
-  /* PM styles  for note content*/
-  ${EditorElements};
-  .ProseMirror {
-    display: inline;
-  }
-`;
-
-const NotesContainer = styled.div`
-  box-shadow: 0 0 8px #ecedf1;
-  counter-reset: footnote-view;
-  display: flex;
-  flex-direction: column;
-  padding-bottom: ${grid(4)};
-  height: 100%;
-  width: 65%;
-`;
-const WaxBottomRightInfo = styled.div``;
-const InfoContainer = styled.div`
-  display: flex;
-  position: fixed;
-  bottom: 1px;
-  right: 21px;
-  z-index: 999;
-`;
-
-let surfaceHeight = (window.innerHeight / 5) * 3;
-let notesHeight = (window.innerHeight / 5) * 2;
-
-const onResizeEnd = arr => {
-  surfaceHeight = arr[0].size;
-  notesHeight = arr[1].size;
-};
-
-const getNotes = main => {
-  const notes = DocumentHelpers.findChildrenByType(
-    main.state.doc,
-    main.state.schema.nodes.footnote,
-    true,
-  );
-  return notes;
-};
-
-const LeftSideBar = ComponentPlugin('leftSideBar');
 const MainMenuToolBar = ComponentPlugin('mainMenuToolBar');
-const NotesArea = ComponentPlugin('notesArea');
-const RightArea = ComponentPlugin('rightArea');
-const CommentTrackToolBar = ComponentPlugin('commentTrackToolBar');
 const WaxOverlays = ComponentPlugin('waxOverlays');
-const BottomRightInfo = ComponentPlugin('BottomRightInfo');
 
 const HhmiLayout = ({ editor }) => {
-  const {
-    view: { main },
-    options,
-  } = useContext(WaxContext);
+  const { options } = useContext(WaxContext);
 
   let fullScreenStyles = {};
 
@@ -223,26 +104,6 @@ const HhmiLayout = ({ editor }) => {
       zIndex: '99999',
     };
   }
-  const notes = main && getNotes(main);
-  const commentsTracksCount =
-    main && DocumentHelpers.getCommentsTracksCount(main);
-  const trackBlockNodesCount =
-    main && DocumentHelpers.getTrackBlockNodesCount(main);
-
-  const areNotes = notes && !!notes.length && notes.length > 0;
-
-  const [hasNotes, setHasNotes] = useState(areNotes);
-
-  const showNotes = () => {
-    setHasNotes(areNotes);
-  };
-
-  const delayedShowedNotes = useCallback(
-    setTimeout(() => showNotes(), 100),
-    [],
-  );
-
-  useEffect(() => {}, [delayedShowedNotes]);
 
   return (
     <ThemeProvider theme={cokoTheme}>
@@ -253,49 +114,12 @@ const HhmiLayout = ({ editor }) => {
 
         <Main>
           <EditorArea>
-            <PanelGroup
-              direction="column"
-              panelWidths={[
-                { size: surfaceHeight, resize: 'stretch' },
-                { size: notesHeight, resize: 'resize' },
-              ]}
-              onResizeEnd={onResizeEnd}
-            >
-              <WaxSurfaceScroll>
-                <EditorContainer>{editor}</EditorContainer>
-                <CommentsContainer>
-                  <CommentTrackToolsContainer>
-                    <CommentTrackTools>
-                      {commentsTracksCount + trackBlockNodesCount} COMMENTS AND
-                      SUGGESTIONS
-                      <CommentTrackOptions>
-                        <CommentTrackToolBar />
-                      </CommentTrackOptions>
-                    </CommentTrackTools>
-                  </CommentTrackToolsContainer>
-                  <RightArea area="main" />
-                </CommentsContainer>
-              </WaxSurfaceScroll>
-
-              {hasNotes && (
-                <NotesAreaContainer>
-                  <NotesContainer id="notes-container">
-                    <NotesArea view={main} />
-                  </NotesContainer>
-                  <CommentsContainerNotes>
-                    <RightArea area="notes" />
-                  </CommentsContainerNotes>
-                </NotesAreaContainer>
-              )}
-            </PanelGroup>
+            <WaxSurfaceScroll>
+              <EditorContainer>{editor}</EditorContainer>
+            </WaxSurfaceScroll>
           </EditorArea>
         </Main>
         <WaxOverlays />
-        <WaxBottomRightInfo>
-          <InfoContainer id="info-container">
-            <BottomRightInfo />
-          </InfoContainer>
-        </WaxBottomRightInfo>
       </Wrapper>
     </ThemeProvider>
   );