diff --git a/editors/editoria/src/layout/EditoriaLayout.js b/editors/editoria/src/layout/EditoriaLayout.js
index 417566f11d6b4f5687f272df7fbdedaf983d0027..1decde8c2b0be137236efd8659fb5d461cf10733 100644
--- a/editors/editoria/src/layout/EditoriaLayout.js
+++ b/editors/editoria/src/layout/EditoriaLayout.js
@@ -7,7 +7,9 @@ import { grid, th } from '@pubsweet/ui-toolkit';
 
 import { cokoTheme } from '../theme';
 import EditorElements from './EditorElements';
-import Katex from './Katex';
+
+/* Katex css */
+import '~../../katex/dist/katex.min.css';
 
 const divider = css`
   .panelGroup {
@@ -80,7 +82,6 @@ const WaxSurfaceScroll = styled.div`
   position: absolute;
   /* PM styles  for main content*/
   ${EditorElements};
-  ${Katex};
 `;
 
 const EditorContainer = styled.div`
diff --git a/editors/editoria/src/layout/EditoriaMobileLayout.js b/editors/editoria/src/layout/EditoriaMobileLayout.js
index 7968da4aafc50cd3d136bb4da74763735c1611b5..453c18cec642be3a03621f2e9b110ce2b76203a9 100644
--- a/editors/editoria/src/layout/EditoriaMobileLayout.js
+++ b/editors/editoria/src/layout/EditoriaMobileLayout.js
@@ -7,7 +7,9 @@ import { WaxContext, ComponentPlugin } from 'wax-prosemirror-core';
 import { grid, th } from '@pubsweet/ui-toolkit';
 import { cokoTheme } from '../theme';
 import EditorElements from './EditorElements';
-import Katex from './Katex';
+
+/* Katex css */
+import '~../../katex/dist/katex.min.css';
 
 const divider = css`
   .panelGroup {
@@ -96,7 +98,6 @@ const WaxSurfaceScroll = styled.div`
   position: absolute;
   /* PM styles  for main content*/
   ${EditorElements};
-  ${Katex};
 `;
 
 const EditorContainer = styled.div`
diff --git a/editors/editoria/src/layout/Katex.js b/editors/editoria/src/layout/Katex.js
deleted file mode 100644
index 21ecafcd9084955d103c427ddd0437099c62cdba..0000000000000000000000000000000000000000
--- a/editors/editoria/src/layout/Katex.js
+++ /dev/null
@@ -1,1078 +0,0 @@
-import { css } from 'styled-components';
-
-export default css`
-  /* stylelint-disable font-family-no-missing-generic-family-keyword */
-  @font-face {
-    font-family: 'KaTeX_AMS';
-    src: url(fonts/KaTeX_AMS-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_AMS-Regular.woff) format('woff'),
-      url(fonts/KaTeX_AMS-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Caligraphic';
-    src: url(fonts/KaTeX_Caligraphic-Bold.woff2) format('woff2'),
-      url(fonts/KaTeX_Caligraphic-Bold.woff) format('woff'),
-      url(fonts/KaTeX_Caligraphic-Bold.ttf) format('truetype');
-    font-weight: bold;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Caligraphic';
-    src: url(fonts/KaTeX_Caligraphic-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Caligraphic-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Caligraphic-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Fraktur';
-    src: url(fonts/KaTeX_Fraktur-Bold.woff2) format('woff2'),
-      url(fonts/KaTeX_Fraktur-Bold.woff) format('woff'),
-      url(fonts/KaTeX_Fraktur-Bold.ttf) format('truetype');
-    font-weight: bold;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Fraktur';
-    src: url(fonts/KaTeX_Fraktur-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Fraktur-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Fraktur-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Main';
-    src: url(fonts/KaTeX_Main-Bold.woff2) format('woff2'),
-      url(fonts/KaTeX_Main-Bold.woff) format('woff'),
-      url(fonts/KaTeX_Main-Bold.ttf) format('truetype');
-    font-weight: bold;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Main';
-    src: url(fonts/KaTeX_Main-BoldItalic.woff2) format('woff2'),
-      url(fonts/KaTeX_Main-BoldItalic.woff) format('woff'),
-      url(fonts/KaTeX_Main-BoldItalic.ttf) format('truetype');
-    font-weight: bold;
-    font-style: italic;
-  }
-  @font-face {
-    font-family: 'KaTeX_Main';
-    src: url(fonts/KaTeX_Main-Italic.woff2) format('woff2'),
-      url(fonts/KaTeX_Main-Italic.woff) format('woff'),
-      url(fonts/KaTeX_Main-Italic.ttf) format('truetype');
-    font-weight: normal;
-    font-style: italic;
-  }
-  @font-face {
-    font-family: 'KaTeX_Main';
-    src: url(fonts/KaTeX_Main-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Main-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Main-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Math';
-    src: url(fonts/KaTeX_Math-BoldItalic.woff2) format('woff2'),
-      url(fonts/KaTeX_Math-BoldItalic.woff) format('woff'),
-      url(fonts/KaTeX_Math-BoldItalic.ttf) format('truetype');
-    font-weight: bold;
-    font-style: italic;
-  }
-  @font-face {
-    font-family: 'KaTeX_Math';
-    src: url(fonts/KaTeX_Math-Italic.woff2) format('woff2'),
-      url(fonts/KaTeX_Math-Italic.woff) format('woff'),
-      url(fonts/KaTeX_Math-Italic.ttf) format('truetype');
-    font-weight: normal;
-    font-style: italic;
-  }
-  @font-face {
-    font-family: 'KaTeX_SansSerif';
-    src: url(fonts/KaTeX_SansSerif-Bold.woff2) format('woff2'),
-      url(fonts/KaTeX_SansSerif-Bold.woff) format('woff'),
-      url(fonts/KaTeX_SansSerif-Bold.ttf) format('truetype');
-    font-weight: bold;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_SansSerif';
-    src: url(fonts/KaTeX_SansSerif-Italic.woff2) format('woff2'),
-      url(fonts/KaTeX_SansSerif-Italic.woff) format('woff'),
-      url(fonts/KaTeX_SansSerif-Italic.ttf) format('truetype');
-    font-weight: normal;
-    font-style: italic;
-  }
-  @font-face {
-    font-family: 'KaTeX_SansSerif';
-    src: url(fonts/KaTeX_SansSerif-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_SansSerif-Regular.woff) format('woff'),
-      url(fonts/KaTeX_SansSerif-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Script';
-    src: url(fonts/KaTeX_Script-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Script-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Script-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Size1';
-    src: url(fonts/KaTeX_Size1-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Size1-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Size1-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Size2';
-    src: url(fonts/KaTeX_Size2-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Size2-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Size2-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Size3';
-    src: url(fonts/KaTeX_Size3-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Size3-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Size3-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Size4';
-    src: url(fonts/KaTeX_Size4-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Size4-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Size4-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  @font-face {
-    font-family: 'KaTeX_Typewriter';
-    src: url(fonts/KaTeX_Typewriter-Regular.woff2) format('woff2'),
-      url(fonts/KaTeX_Typewriter-Regular.woff) format('woff'),
-      url(fonts/KaTeX_Typewriter-Regular.ttf) format('truetype');
-    font-weight: normal;
-    font-style: normal;
-  }
-  .katex {
-    font: normal 1.21em KaTeX_Main, Times New Roman, serif;
-    line-height: 1.2;
-    text-indent: 0;
-    text-rendering: auto;
-    border-color: currentColor;
-  }
-  .katex * {
-    -ms-high-contrast-adjust: none !important;
-  }
-  .katex .katex-version::after {
-    content: '0.12.0';
-  }
-  .katex .katex-mathml {
-    position: absolute;
-    clip: rect(1px, 1px, 1px, 1px);
-    padding: 0;
-    border: 0;
-    height: 1px;
-    width: 1px;
-    overflow: hidden;
-  }
-  .katex .katex-html {
-    /* \newline is an empty block at top level, between .base elements */
-  }
-  .katex .katex-html > .newline {
-    display: block;
-  }
-  .katex .base {
-    position: relative;
-    display: inline-block;
-    white-space: nowrap;
-    width: min-content;
-  }
-  .katex .strut {
-    display: inline-block;
-  }
-  .katex .textbf {
-    font-weight: bold;
-  }
-  .katex .textit {
-    font-style: italic;
-  }
-  .katex .textrm {
-    font-family: KaTeX_Main;
-  }
-  .katex .textsf {
-    font-family: KaTeX_SansSerif;
-  }
-  .katex .texttt {
-    font-family: KaTeX_Typewriter;
-  }
-  .katex .mathnormal {
-    font-family: KaTeX_Math;
-    font-style: italic;
-  }
-  .katex .mathit {
-    font-family: KaTeX_Main;
-    font-style: italic;
-  }
-  .katex .mathrm {
-    font-style: normal;
-  }
-  .katex .mathbf {
-    font-family: KaTeX_Main;
-    font-weight: bold;
-  }
-  .katex .boldsymbol {
-    font-family: KaTeX_Math;
-    font-weight: bold;
-    font-style: italic;
-  }
-  .katex .amsrm {
-    font-family: KaTeX_AMS;
-  }
-  .katex .mathbb,
-  .katex .textbb {
-    font-family: KaTeX_AMS;
-  }
-  .katex .mathcal {
-    font-family: KaTeX_Caligraphic;
-  }
-  .katex .mathfrak,
-  .katex .textfrak {
-    font-family: KaTeX_Fraktur;
-  }
-  .katex .mathtt {
-    font-family: KaTeX_Typewriter;
-  }
-  .katex .mathscr,
-  .katex .textscr {
-    font-family: KaTeX_Script;
-  }
-  .katex .mathsf,
-  .katex .textsf {
-    font-family: KaTeX_SansSerif;
-  }
-  .katex .mathboldsf,
-  .katex .textboldsf {
-    font-family: KaTeX_SansSerif;
-    font-weight: bold;
-  }
-  .katex .mathitsf,
-  .katex .textitsf {
-    font-family: KaTeX_SansSerif;
-    font-style: italic;
-  }
-  .katex .mainrm {
-    font-family: KaTeX_Main;
-    font-style: normal;
-  }
-  .katex .vlist-t {
-    display: inline-table;
-    table-layout: fixed;
-    border-collapse: collapse;
-  }
-  .katex .vlist-r {
-    display: table-row;
-  }
-  .katex .vlist {
-    display: table-cell;
-    vertical-align: bottom;
-    position: relative;
-  }
-  .katex .vlist > span {
-    display: block;
-    height: 0;
-    position: relative;
-  }
-  .katex .vlist > span > span {
-    display: inline-block;
-  }
-  .katex .vlist > span > .pstrut {
-    overflow: hidden;
-    width: 0;
-  }
-  .katex .vlist-t2 {
-    margin-right: -2px;
-  }
-  .katex .vlist-s {
-    display: table-cell;
-    vertical-align: bottom;
-    font-size: 1px;
-    width: 2px;
-    min-width: 2px;
-  }
-  .katex .vbox {
-    display: -ms-inline-flexbox;
-    display: inline-flex;
-    -ms-flex-direction: column;
-    flex-direction: column;
-    align-items: baseline;
-  }
-  .katex .hbox {
-    display: -ms-inline-flexbox;
-    display: inline-flex;
-    -ms-flex-direction: row;
-    flex-direction: row;
-    width: 100%;
-  }
-  .katex .thinbox {
-    display: inline-flex;
-    flex-direction: row;
-    width: 0;
-    max-width: 0;
-  }
-  .katex .msupsub {
-    text-align: left;
-  }
-  .katex .mfrac > span > span {
-    text-align: center;
-  }
-  .katex .mfrac .frac-line {
-    display: inline-block;
-    width: 100%;
-    border-bottom-style: solid;
-  }
-  .katex .mfrac .frac-line,
-  .katex .overline .overline-line,
-  .katex .underline .underline-line,
-  .katex .hline,
-  .katex .hdashline,
-  .katex .rule {
-    min-height: 1px;
-  }
-  .katex .mspace {
-    display: inline-block;
-  }
-  .katex .llap,
-  .katex .rlap,
-  .katex .clap {
-    width: 0;
-    position: relative;
-  }
-  .katex .llap > .inner,
-  .katex .rlap > .inner,
-  .katex .clap > .inner {
-    position: absolute;
-  }
-  .katex .llap > .fix,
-  .katex .rlap > .fix,
-  .katex .clap > .fix {
-    display: inline-block;
-  }
-  .katex .llap > .inner {
-    right: 0;
-  }
-  .katex .rlap > .inner,
-  .katex .clap > .inner {
-    left: 0;
-  }
-  .katex .clap > .inner > span {
-    margin-left: -50%;
-    margin-right: 50%;
-  }
-  .katex .rule {
-    display: inline-block;
-    border: solid 0;
-    position: relative;
-  }
-  .katex .overline .overline-line,
-  .katex .underline .underline-line,
-  .katex .hline {
-    display: inline-block;
-    width: 100%;
-    border-bottom-style: solid;
-  }
-  .katex .hdashline {
-    display: inline-block;
-    width: 100%;
-    border-bottom-style: dashed;
-  }
-  .katex .sqrt > .root {
-    margin-left: 0.27777778em;
-    margin-right: -0.55555556em;
-  }
-  .katex .sizing.reset-size1.size1,
-  .katex .fontsize-ensurer.reset-size1.size1 {
-    font-size: 1em;
-  }
-  .katex .sizing.reset-size1.size2,
-  .katex .fontsize-ensurer.reset-size1.size2 {
-    font-size: 1.2em;
-  }
-  .katex .sizing.reset-size1.size3,
-  .katex .fontsize-ensurer.reset-size1.size3 {
-    font-size: 1.4em;
-  }
-  .katex .sizing.reset-size1.size4,
-  .katex .fontsize-ensurer.reset-size1.size4 {
-    font-size: 1.6em;
-  }
-  .katex .sizing.reset-size1.size5,
-  .katex .fontsize-ensurer.reset-size1.size5 {
-    font-size: 1.8em;
-  }
-  .katex .sizing.reset-size1.size6,
-  .katex .fontsize-ensurer.reset-size1.size6 {
-    font-size: 2em;
-  }
-  .katex .sizing.reset-size1.size7,
-  .katex .fontsize-ensurer.reset-size1.size7 {
-    font-size: 2.4em;
-  }
-  .katex .sizing.reset-size1.size8,
-  .katex .fontsize-ensurer.reset-size1.size8 {
-    font-size: 2.88em;
-  }
-  .katex .sizing.reset-size1.size9,
-  .katex .fontsize-ensurer.reset-size1.size9 {
-    font-size: 3.456em;
-  }
-  .katex .sizing.reset-size1.size10,
-  .katex .fontsize-ensurer.reset-size1.size10 {
-    font-size: 4.148em;
-  }
-  .katex .sizing.reset-size1.size11,
-  .katex .fontsize-ensurer.reset-size1.size11 {
-    font-size: 4.976em;
-  }
-  .katex .sizing.reset-size2.size1,
-  .katex .fontsize-ensurer.reset-size2.size1 {
-    font-size: 0.83333333em;
-  }
-  .katex .sizing.reset-size2.size2,
-  .katex .fontsize-ensurer.reset-size2.size2 {
-    font-size: 1em;
-  }
-  .katex .sizing.reset-size2.size3,
-  .katex .fontsize-ensurer.reset-size2.size3 {
-    font-size: 1.16666667em;
-  }
-  .katex .sizing.reset-size2.size4,
-  .katex .fontsize-ensurer.reset-size2.size4 {
-    font-size: 1.33333333em;
-  }
-  .katex .sizing.reset-size2.size5,
-  .katex .fontsize-ensurer.reset-size2.size5 {
-    font-size: 1.5em;
-  }
-  .katex .sizing.reset-size2.size6,
-  .katex .fontsize-ensurer.reset-size2.size6 {
-    font-size: 1.66666667em;
-  }
-  .katex .sizing.reset-size2.size7,
-  .katex .fontsize-ensurer.reset-size2.size7 {
-    font-size: 2em;
-  }
-  .katex .sizing.reset-size2.size8,
-  .katex .fontsize-ensurer.reset-size2.size8 {
-    font-size: 2.4em;
-  }
-  .katex .sizing.reset-size2.size9,
-  .katex .fontsize-ensurer.reset-size2.size9 {
-    font-size: 2.88em;
-  }
-  .katex .sizing.reset-size2.size10,
-  .katex .fontsize-ensurer.reset-size2.size10 {
-    font-size: 3.45666667em;
-  }
-  .katex .sizing.reset-size2.size11,
-  .katex .fontsize-ensurer.reset-size2.size11 {
-    font-size: 4.14666667em;
-  }
-  .katex .sizing.reset-size3.size1,
-  .katex .fontsize-ensurer.reset-size3.size1 {
-    font-size: 0.71428571em;
-  }
-  .katex .sizing.reset-size3.size2,
-  .katex .fontsize-ensurer.reset-size3.size2 {
-    font-size: 0.85714286em;
-  }
-  .katex .sizing.reset-size3.size3,
-  .katex .fontsize-ensurer.reset-size3.size3 {
-    font-size: 1em;
-  }
-  .katex .sizing.reset-size3.size4,
-  .katex .fontsize-ensurer.reset-size3.size4 {
-    font-size: 1.14285714em;
-  }
-  .katex .sizing.reset-size3.size5,
-  .katex .fontsize-ensurer.reset-size3.size5 {
-    font-size: 1.28571429em;
-  }
-  .katex .sizing.reset-size3.size6,
-  .katex .fontsize-ensurer.reset-size3.size6 {
-    font-size: 1.42857143em;
-  }
-  .katex .sizing.reset-size3.size7,
-  .katex .fontsize-ensurer.reset-size3.size7 {
-    font-size: 1.71428571em;
-  }
-  .katex .sizing.reset-size3.size8,
-  .katex .fontsize-ensurer.reset-size3.size8 {
-    font-size: 2.05714286em;
-  }
-  .katex .sizing.reset-size3.size9,
-  .katex .fontsize-ensurer.reset-size3.size9 {
-    font-size: 2.46857143em;
-  }
-  .katex .sizing.reset-size3.size10,
-  .katex .fontsize-ensurer.reset-size3.size10 {
-    font-size: 2.96285714em;
-  }
-  .katex .sizing.reset-size3.size11,
-  .katex .fontsize-ensurer.reset-size3.size11 {
-    font-size: 3.55428571em;
-  }
-  .katex .sizing.reset-size4.size1,
-  .katex .fontsize-ensurer.reset-size4.size1 {
-    font-size: 0.625em;
-  }
-  .katex .sizing.reset-size4.size2,
-  .katex .fontsize-ensurer.reset-size4.size2 {
-    font-size: 0.75em;
-  }
-  .katex .sizing.reset-size4.size3,
-  .katex .fontsize-ensurer.reset-size4.size3 {
-    font-size: 0.875em;
-  }
-  .katex .sizing.reset-size4.size4,
-  .katex .fontsize-ensurer.reset-size4.size4 {
-    font-size: 1em;
-  }
-  .katex .sizing.reset-size4.size5,
-  .katex .fontsize-ensurer.reset-size4.size5 {
-    font-size: 1.125em;
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