diff --git a/public/index.html b/public/index.html
index 863ce55f807478b515982a345b129c37ecde6a40..68f4a58727ef446a10cf07ab501793aa250222d6 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,10 +5,6 @@
     <link rel="manifest" href="manifest.json" />
     <link rel="shortcut icon" href="logo.png" />
     <link rel="stylesheet" href="styles.css" />
-    <link
-      href="https://fonts.googleapis.com/css?family=Martel:300,400&display=swap"
-      rel="stylesheet"
-    />
 
     <link
       rel="stylesheet"
@@ -61,113 +57,6 @@
         <button id="pen-tool" class="selected">
           <i class="fa fa-paint-brush"></i>
         </button>
-        <div id="pen-properties" class="properties">
-          <div class="pen-contents">
-            <div class="pen-header">
-              <span class="close">&times</span>
-              <h2>Pen properties</h2>
-            </div>
-            <div class="pen-body">
-              <div id="brush-colour">
-                <h3>Brush colour</h3>
-              </div>
-              &nbsp;
-              <a href="#">
-                <div id="rectangle"></div>
-              </a>
-            </div>
-          </div>
-        </div>
-        <div id="palette" class="properties" style="padding-top: 150px">
-          <div class="palette-selector">
-            <div class="wheel-header">
-              <span class="close">&times</span>
-              <h2>Select a colour from the palette</h2>
-            </div>
-            <svg
-              id="wheel"
-              viewBox="0 10 100 100"
-              xmlns="http://www.w3.org/2000/svg"
-              xmlns:xlink="http://www.w3.org/1999/xlink"
-            >
-              <defs>
-                <path
-                  id="piePiece"
-                  d="M 42.2,78.9 46.1,64.4 Q 50,65 53.88,64.48 L 57.7,78.9 Q 50,80 42.2,78.9Z"
-                />
-              </defs>
-              <a href="#">
-                <use class="wheelPiece" xlink:href="#piePiece" fill="#329739" />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(30,50,50)"
-                  fill="#639b47"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(60,50,50)"
-                  fill="#9ac147"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(90,50,50)"
-                  fill="#A9AA39"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(120,50,50)"
-                  fill="#e1e23b"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(150,50,50)"
-                  fill="#f7941e"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(180,50,50)"
-                  fill="#ba3e2e"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(210,50,50)"
-                  fill="#9a1d34"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(240,50,50)"
-                  fill="#662a6c"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(270,50,50)"
-                  fill="#272b66"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(300,50,50)"
-                  fill="#2d559f"
-                />
-                <use
-                  class="wheelPiece"
-                  xlink:href="#piePiece"
-                  transform="rotate(330,50,50)"
-                  fill="#43a1cd"
-                />
-              </a>
-            </svg>
-          </div>
-        </div>
         <button id="eraser-tool"><i class="fa fa-eraser"></i></button>
         <div id="connected-room-info">
           You are connected to a room: <span id="connected-room-id"></span>
diff --git a/public/styles.css b/public/styles.css
index 067051c0e9aeea80bb3eb5826767c111626838e6..e79e429218c85986505ec9b3dcc945bd24be43b6 100644
--- a/public/styles.css
+++ b/public/styles.css
@@ -158,104 +158,3 @@ button.selected {
   background-color: #4f4f4f !important;
   transition-duration: 0.4s;
 }
-
-.properties {
-  display: none;
-  position: fixed;
-  z-index: 1;
-  padding-top: 100px;
-  left: 0;
-  top: 0;
-  width: 100%;
-  height: 100%;
-  overflow: auto;
-  background-color: rgb(0, 0, 0);
-  background-color: rgba(0, 0, 0, 0.4);
-}
-
-.pen-contents {
-  position: relative;
-  background-color: #fefefe;
-  margin: auto;
-  padding: 0;
-  border: 1px solid #888;
-  width: 80%;
-  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.1);
-  animation-name: animatetop;
-  animation-duration: 0.4s;
-  font-family: "Martel", serif;
-}
-
-.close {
-  color: white;
-  float: right;
-  font-size: 28px;
-  font-weight: bold;
-}
-
-.close:hover,
-.close:focus {
-  color: black;
-  text-decoration: none;
-  cursor: pointer;
-}
-
-.pen-header {
-  padding: 2px 16px;
-  background-color: #2f2f2f;
-  color: white;
-}
-
-.pen-body {
-  padding: 2px 16px;
-  display: flex;
-  align-items: center;
-}
-
-@keyframes animatetop {
-  from {
-    top: -300px;
-    opacity: 0;
-  }
-  to {
-    top: 0;
-    opacity: 1;
-  }
-}
-
-#rectangle {
-  height: 20px;
-  width: 30px;
-  background-color: blue;
-}
-
-.palette-selector {
-  position: relative;
-  background-color: #fefefe;
-  margin: auto;
-  padding: 0;
-  border: 1px solid #888;
-  width: 500px;
-  height: 500px;
-  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.1);
-  font-family: "Martel", serif;
-}
-
-.wheelPiece {
-  opacity: 0.8;
-}
-
-.wheelPiece:hover {
-  opacity: 1;
-}
-
-.wheel-header {
-  padding: 2px 16px;
-  background-color: #2f2f2f;
-  color: white;
-  text-align: center;
-}
-
-.properties:palette {
-  padding-top: 50px;
-}
diff --git a/src/app.js b/src/app.js
index 40f046eb207e012e24cbf7b9a020ec5ae62f25fa..075cd18d270f728be86fa11f5616f8118dc16026 100644
--- a/src/app.js
+++ b/src/app.js
@@ -63,44 +63,11 @@ let currentTool = tools.PEN
 const pathIDsByPointerID = new Map()
 
 HTML.penButton.addEventListener("click", () => {
-  if (currentTool == tools.PEN) {
-    HTML.properties.style.display = "block"
-  } else {
-    currentTool = tools.PEN
-    HTML.penButton.classList.add("selected")
-    HTML.eraserButton.classList.remove("selected")
-  }
+  currentTool = tools.PEN
+  HTML.penButton.classList.add("selected")
+  HTML.eraserButton.classList.remove("selected")
 })
 
-HTML.span.forEach((element) => {
-  element.addEventListener("click", () => {
-    element.parentNode.parentNode.parentNode.style.display = "none"
-  })
-})
-
-window.addEventListener("click", (event) => {
-  if (event.target == HTML.properties) {
-    HTML.properties.style.display = "none"
-  } else if (event.target == HTML.palette) {
-    HTML.palette.style.display = "none"
-    HTML.properties.style.display = "none"
-  }
-})
-
-HTML.rectangle.addEventListener("click", () => {
-  HTML.palette.style.display = "block"
-})
-
-var svg = HTML.wheel.children
-for (var i = 1; i < svg.length; i++) {
-  svg[i].addEventListener("click", (event) => {
-    var paletteColour = event.target.getAttribute("fill")
-    HTML.rectangle.style.backgroundColor = paletteColour
-    canvas.setStrokeColour(paletteColour)
-    HTML.palette.style.display = "none"
-  })
-}
-
 HTML.eraserButton.addEventListener("click", () => {
   currentTool = tools.ERASER
   HTML.penButton.classList.remove("selected")
@@ -160,10 +127,7 @@ canvas.input.addEventListener("strokestart", ({ detail: e }) => {
   const mousePos = [e.offsetX, e.offsetY]
 
   if (currentTool == tools.PEN) {
-    pathIDsByPointerID.set(
-      e.pointerId,
-      room.addPath([...mousePos, e.pressure, canvas.stroke_colour]),
-    )
+    pathIDsByPointerID.set(e.pointerId, room.addPath([...mousePos, e.pressure]))
   } else if (currentTool == tools.ERASER) {
     erasePoint(mousePos)
   }
@@ -184,7 +148,6 @@ canvas.input.addEventListener("strokemove", ({ detail: e }) => {
     room.extendPath(pathIDsByPointerID.get(e.pointerId), [
       ...mousePos,
       e.pressure,
-      canvas.stroke_colour,
     ])
   } else if (currentTool == tools.ERASER) {
     erasePoint(mousePos)
diff --git a/src/canvas.js b/src/canvas.js
index 7ea872de8af48046bb02ba8b0e637d910e6cb010..0620076a5a93b7fcae919d75e463d3c87e56ff77 100644
--- a/src/canvas.js
+++ b/src/canvas.js
@@ -16,7 +16,7 @@ const lineFn = line()
 
 const pathGroupElems = new Map()
 
-export var stroke_colour = "blue"
+export const STROKE_COLOUR = "blue"
 export const MIN_STROKE_RADIUS = 0.1
 export const MAX_STROKE_RADIUS = 3.9
 
@@ -35,13 +35,11 @@ const createPathElem = (d, width) => {
 
 export const renderPath = (id, points) => {
   points = points.filter(([x]) => x != null)
-  var colour = ""
 
   // Split up points into completely non-erased segments.
   let segments = [[]]
   for (const point of points) {
-    colour = point[3]
-    if (point[4] != false) {
+    if (point[3] != false) {
       segments[segments.length - 1].push(point)
     } else {
       segments.push([])
@@ -61,7 +59,7 @@ export const renderPath = (id, points) => {
 
   if (pathGroupElem == null) {
     pathGroupElem = document.createElementNS(SVG_URL, "g")
-    pathGroupElem.setAttribute("stroke", colour)
+    pathGroupElem.setAttribute("stroke", STROKE_COLOUR)
     pathGroupElem.setAttribute("fill", "none")
     pathGroupElem.setAttribute("stroke-linecap", "round")
     pathGroupElem.setAttribute("pointer-events", "none")
@@ -75,7 +73,7 @@ export const renderPath = (id, points) => {
     if (subpath.length == 1) {
       const circleElem = document.createElementNS(SVG_URL, "circle")
       circleElem.setAttribute("stroke", "none")
-      circleElem.setAttribute("fill", colour)
+      circleElem.setAttribute("fill", STROKE_COLOUR)
       circleElem.setAttribute("cx", subpath[0][0])
       circleElem.setAttribute("cy", subpath[0][1])
       circleElem.setAttribute("r", getStrokeRadius(subpath[0][2]))
@@ -84,7 +82,6 @@ export const renderPath = (id, points) => {
       // Further split up segments based on thickness.
       const subpath_ = subpath.slice()
       let w = subpath_[0][2]
-      console.log(w)
       for (let i = 1; i < subpath_.length; i++) {
         if (subpath_[i][2] != w) {
           const d = lineFn([...subpath_.splice(0, i), subpath_[0]])
@@ -122,7 +119,3 @@ canvas.addEventListener("pointerup", dispatchPointerEvent("strokeend"))
 canvas.addEventListener("pointerleave", dispatchPointerEvent("strokeend"))
 canvas.addEventListener("pointermove", dispatchPointerEvent("strokemove"))
 canvas.addEventListener("touchmove", (e) => e.preventDefault())
-
-export function setStrokeColour(colour) {
-  stroke_colour = colour
-}
diff --git a/src/elements.js b/src/elements.js
index dc03849bff521e250947acef6b6fea3a802502fd..0d8400f1e240bf971ce9758ed664eae0d9c7d81a 100644
--- a/src/elements.js
+++ b/src/elements.js
@@ -14,9 +14,3 @@ export const connectedRoomID = document.getElementById("connected-room-id")
 export const connectedRoomInfoContainer = document.getElementById(
   "connected-room-info",
 )
-
-export const properties = document.getElementById("pen-properties")
-export const span = document.querySelectorAll(".close")
-export const palette = document.getElementById("palette")
-export const rectangle = document.getElementById("rectangle")
-export const wheel = document.getElementById("wheel")
diff --git a/src/liowebrtc b/src/liowebrtc
index 545380d3c27797799f3013ad112f9f17c64bc8c7..9b066b28a56a902b7ba0fe1532508bf28f269604 160000
--- a/src/liowebrtc
+++ b/src/liowebrtc
@@ -1 +1 @@
-Subproject commit 545380d3c27797799f3013ad112f9f17c64bc8c7
+Subproject commit 9b066b28a56a902b7ba0fe1532508bf28f269604
diff --git a/src/room.js b/src/room.js
index e7ad251629752b78678a5c2e35ce94e419c6d5f3..ae28294abeeb45dd0831723c01b891702d423516 100644
--- a/src/room.js
+++ b/src/room.js
@@ -23,14 +23,14 @@ class Room extends EventTarget {
     this._y.destroy()
   }
 
-  addPath([x, y, w, z]) {
+  addPath([x, y, w]) {
     const id = uuidv4()
-    this._y.share.strokeAdd.set(id, Y.Array).push([[x, y, w, z]])
+    this._y.share.strokeAdd.set(id, Y.Array).push([[x, y, w]])
     return id
   }
 
-  extendPath(id, [x, y, w, z]) {
-    this._y.share.strokeAdd.get(id).push([[x, y, w, z]])
+  extendPath(id, [x, y, w]) {
+    this._y.share.strokeAdd.get(id).push([[x, y, w]])
   }
 
   getPaths() {
@@ -65,7 +65,7 @@ class Room extends EventTarget {
 
     return addSet
       .toArray()
-      .map((p = [], i) => [p[0], p[1], p[2], p[3], !eraseSet.get(i.toString())])
+      .map((p = [], i) => [p[0], p[1], p[2], !eraseSet.get(i.toString())])
   }
 
   inviteUser(id) {