diff --git a/harper-adams-university-harvard.csl b/harper-adams-university-harvard.csl
deleted file mode 100644
index ad36e6c6880..00000000000
--- a/harper-adams-university-harvard.csl
+++ /dev/null
@@ -1,423 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="sort-only" default-locale="en-GB">
-  <info>
-    <title>Harper Adams University - Harvard</title>
-    <id>http://www.zotero.org/styles/harper-adams-university-harvard</id>
-    <link href="http://www.zotero.org/styles/harper-adams-university-harvard" rel="self"/>
-    <link href="http://www.zotero.org/styles/harvard-anglia-ruskin-university" rel="template"/>
-    <link href="https://www.harper-adams.ac.uk/university-life/library/study-skills/citing-and-referencing.cfm" rel="documentation"/>
-    <link href="https://github.com/cpina/harvard-harper-adams-university-citation-style" rel="documentation"/>
-    <author>
-      <name>Carles Pina i Estany</name>
-      <email>carles@pina.cat</email>
-      <uri>https://carles.pina.cat</uri>
-    </author>
-    <author>
-      <name>Jen Thomas</name>
-      <email>jen@falciot.net</email>
-      <uri>https://falciot.net</uri>
-    </author>
-    <category citation-format="author-date"/>
-    <category field="generic-base"/>
-    <summary>Harper Adams University Harvard style</summary>
-    <updated>2020-11-13T12:00:00+00:00</updated>
-    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
-  </info>
-  <macro name="cite-author">
-    <choose>
-      <if type="broadcast" match="any">
-        <text variable="title" font-style="italic" suffix=","/>
-      </if>
-      <else-if type="bill legislation motion_picture" match="any">
-        <text variable="title" font-style="italic" suffix="."/>
-      </else-if>
-      <else-if type="legal_case" match="any">
-        <text variable="title" font-style="italic"/>
-      </else-if>
-      <else>
-        <names variable="author">
-          <name name-as-sort-order="all" and="text" sort-separator=", " initialize-with="." delimiter-precedes-last="never" delimiter=", "/>
-          <label form="short" prefix=" " font-style="italic"/>
-          <substitute>
-            <names variable="editor"/>
-            <text macro="anon"/>
-          </substitute>
-        </names>
-      </else>
-    </choose>
-  </macro>
-  <macro name="anon">
-    <text term="anonymous" form="short" text-case="capitalize-first" strip-periods="true"/>
-  </macro>
-  <macro name="year-date">
-    <choose>
-      <if type="bill legislation" match="none">
-        <choose>
-          <if type="legal_case" match="any">
-            <date variable="issued">
-              <date-part name="year" prefix="[" suffix="]"/>
-            </date>
-          </if>
-          <else-if variable="issued">
-            <date variable="issued">
-              <date-part name="year"/>
-            </date>
-          </else-if>
-          <else-if variable="accessed">
-            <choose>
-              <if type="webpage song" match="any">
-                <date variable="accessed">
-                  <date-part name="year"/>
-                </date>
-              </if>
-              <else>
-                <text term="no date" form="short"/>
-              </else>
-            </choose>
-          </else-if>
-          <else>
-            <text term="no date" form="short"/>
-          </else>
-        </choose>
-      </if>
-    </choose>
-  </macro>
-  <macro name="primary-title">
-    <choose>
-      <if type="chapter entry-dictionary entry-encyclopedia article-journal article-newspaper article-magazine paper-conference post-weblog post" match="any">
-        <group>
-          <text variable="title"/>
-        </group>
-      </if>
-      <else-if type="bill legal_case legislation motion_picture" match="any">
-        <text variable="collection-number"/>
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-      <else-if type="report">
-        <text variable="title" font-style="italic"/>
-      </else-if>
-      <else>
-        <choose>
-          <if type="broadcast" match="none">
-            <group delimiter=". ">
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-                <text variable="title" font-style="italic"/>
-                <text macro="edition-no"/>
-              </group>
-              <text variable="collection-title"/>
-            </group>
-          </if>
-        </choose>
-      </else>
-    </choose>
-  </macro>
-  <macro name="genre-online-marker">
-    <choose>
-      <if type="report webpage dataset book thesis interview patent speech" match="any">
-        <choose>
-          <if variable="URL">
-            <choose>
-              <if variable="genre">
-                <text variable="genre" prefix="[" suffix="]"/>
-              </if>
-              <else-if variable="medium">
-                <text variable="medium" prefix="[" suffix="]"/>
-              </else-if>
-              <else>
-                <text term="online" prefix="[" suffix="]." text-case="capitalize-first"/>
-              </else>
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-          <else-if type="thesis">
-            <text variable="genre" suffix="."/>
-          </else-if>
-        </choose>
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-      <else-if type="graphic manuscript song personal_communication post-weblog post" match="any">
-        <group delimiter=". ">
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-      <else-if type="broadcast">
-        <text variable="medium" prefix="[" suffix="]"/>
-      </else-if>
-    </choose>
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-  <macro name="edition-no">
-    <group delimiter=" ">
-      <number variable="edition" form="ordinal"/>
-      <text term="edition" form="short"/>
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-  </macro>
-  <macro name="translator">
-    <names variable="translator">
-      <name and="text" initialize-with="." delimiter=". " prefix="Translated by " suffix="."/>
-    </names>
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-  <macro name="bill-detail">
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-        <group delimiter=". ">
-          <text variable="section"/>
-          <text variable="volume"/>
-        </group>
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-  </macro>
-  <macro name="publisher">
-    <choose>
-      <if type="thesis">
-        <group delimiter=", ">
-          <text variable="publisher"/>
-        </group>
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-      <else-if type="manuscript">
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-            <text variable="publisher-place"/>
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-          <group delimiter=": ">
-            <text variable="publisher-place"/>
-            <text variable="publisher"/>
-          </group>
-        </group>
-      </else>
-    </choose>
-  </macro>
-  <macro name="container">
-    <choose>
-      <if type="chapter entry-dictionary entry-encyclopedia paper-conference" match="any">
-        <group suffix=".">
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-      </else-if>
-      <else-if type="motion_picture">
-        <text variable="medium" prefix="[" suffix="]"/>
-        <names variable="author">
-          <name and="text" sort-separator=", " initialize-with="." delimiter-precedes-last="never" delimiter=", " prefix=" Directed by " suffix="."/>
-          <label form="short" prefix=" "/>
-        </names>
-      </else-if>
-      <else>
-        <choose>
-          <if variable="volume issue page" match="any">
-            <text variable="container-title" font-style="italic" suffix=", "/>
-          </if>
-          <else>
-            <text variable="container-title" font-style="italic" suffix="."/>
-          </else>
-        </choose>
-      </else>
-    </choose>
-  </macro>
-  <macro name="container-online">
-    <choose>
-      <if variable="URL">
-        <choose>
-          <if type="article-journal article-magazine article-newspaper bill chapter entry-dictionary entry-encyclopedia legislation paper-conference" match="any">
-            <text term="online" prefix="[" suffix="]." text-case="capitalize-first"/>
-          </if>
-        </choose>
-      </if>
-    </choose>
-  </macro>
-  <macro name="legal-detail">
-    <group delimiter=", ">
-      <choose>
-        <if type="legal_case">
-          <group>
-            <text variable="volume" prefix=" "/>
-            <text variable="authority" prefix=" (" suffix=")"/>
-          </group>
-          <group>
-            <label variable="page" form="short"/>
-            <text variable="page"/>
-          </group>
-        </if>
-      </choose>
-    </group>
-  </macro>
-  <macro name="locator">
-    <choose>
-      <if type="article-journal article-newspaper article-magazine interview" match="any">
-        <group delimiter=", " suffix=".">
-          <group delimiter=" ">
-            <text variable="volume"/>
-            <text variable="issue" prefix="(" suffix=")"/>
-          </group>
-          <choose>
-            <if type="article-magazine article-newspaper interview" match="any">
-              <date variable="issued" delimiter=" ">
-                <date-part name="day"/>
-                <date-part name="month"/>
-              </date>
-            </if>
-          </choose>
-          <choose>
-            <if variable="page">
-              <group>
-                <label variable="page" form="short"/>
-                <text variable="page"/>
-              </group>
-            </if>
-          </choose>
-        </group>
-      </if>
-      <else-if type="book dataset chapter paper-conference manuscript entry-dictionary entry-encyclopedia thesis motion_picture song report" match="any">
-        <group suffix=".">
-          <text variable="event" suffix=". "/>
-          <group delimiter=".">
-            <text macro="publisher"/>
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-              <label variable="page" form="short"/>
-              <text variable="page"/>
-            </group>
-          </group>
-        </group>
-      </else-if>
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-          <text variable="event"/>
-          <text macro="publisher"/>
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-              <date-part name="day"/>
-              <date-part name="month"/>
-            </date>
-          </group>
-        </group>
-      </else-if>
-    </choose>
-  </macro>
-  <macro name="online-access">
-    <choose>
-      <if variable="URL">
-        <group>
-          <group>
-            <text prefix=" " value="Available from: "/>
-            <text variable="URL"/>
-          </group>
-          <group prefix=" [" suffix="].">
-            <text term="accessed" text-case="capitalize-first" suffix=" "/>
-            <date variable="accessed" delimiter=" ">
-              <date-part name="day"/>
-              <date-part name="month"/>
-              <date-part name="year"/>
-            </date>
-          </group>
-        </group>
-      </if>
-    </choose>
-  </macro>
-  <macro name="author-short">
-    <choose>
-      <if type="bill broadcast legal_case legislation motion_picture" match="any">
-        <text variable="title"/>
-      </if>
-      <else>
-        <names variable="author">
-          <name form="short" and="text" sort-separator=", " initialize-with="." delimiter-precedes-last="never" delimiter=", "/>
-          <et-al font-style="italic"/>
-          <substitute>
-            <names variable="editor"/>
-            <text variable="title"/>
-          </substitute>
-        </names>
-      </else>
-    </choose>
-  </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" collapse="year-suffix">
-    <layout prefix="(" suffix=")" delimiter="; ">
-      <group delimiter=", ">
-        <group delimiter=", ">
-          <text macro="author-short"/>
-          <text macro="year-date"/>
-        </group>
-        <group prefix=" ">
-          <label variable="locator" form="short"/>
-          <text variable="locator"/>
-        </group>
-      </group>
-    </layout>
-  </citation>
-  <bibliography hanging-indent="false">
-    <sort>
-      <key macro="cite-author"/>
-      <key macro="year-date"/>
-      <key variable="title"/>
-    </sort>
-    <layout suffix=".">
-      <group delimiter=" ">
-        <text macro="cite-author" suffix="."/>
-        <choose>
-          <if type="legal_case" match="any">
-            <text macro="year-date"/>
-          </if>
-          <else>
-            <text macro="year-date" suffix=". "/>
-          </else>
-        </choose>
-      </group>
-      <group delimiter=" ">
-        <text macro="primary-title" suffix="."/>
-        <choose>
-          <if type="webpage">
-            <text macro="genre-online-marker"/>
-          </if>
-        </choose>
-        <group delimiter=". " prefix=" ">
-          <text macro="translator"/>
-          <text macro="bill-detail"/>
-          <text macro="container"/>
-        </group>
-        <text macro="locator"/>
-        <text macro="container-online"/>
-        <choose>
-          <if type="article-journal">
-            <text macro="publisher" suffix="."/>
-          </if>
-        </choose>
-        <text macro="legal-detail"/>
-      </group>
-      <text macro="online-access"/>
-    </layout>
-  </bibliography>
-</style>