diff --git a/packages/govuk-frontend-review/src/views/component-preview.njk b/packages/govuk-frontend-review/src/views/component-preview.njk
index 36ec621a39..4be66939d0 100644
--- a/packages/govuk-frontend-review/src/views/component-preview.njk
+++ b/packages/govuk-frontend-review/src/views/component-preview.njk
@@ -4,10 +4,6 @@
 
 {% block pageTitle %}{{ templateTitle }} - GOV.UK Frontend{% endblock %}
 
-{% set bodyClasses %}
-  {{ bodyClasses }}
-{% endset %}
-
 {# Remove standard template banners/headers/frontmatter #}
 {% block skipLink %}{% endblock %}
 {% block bodyStart %} {% endblock %}
diff --git a/packages/govuk-frontend-review/src/views/component.njk b/packages/govuk-frontend-review/src/views/component.njk
index a853ab803c..a9aea3017b 100644
--- a/packages/govuk-frontend-review/src/views/component.njk
+++ b/packages/govuk-frontend-review/src/views/component.njk
@@ -5,9 +5,7 @@
 
 {% block pageTitle %}{{ componentName | unslugify }} - GOV.UK Frontend{% endblock %}
 
-{% set bodyClasses %}
-  language-markup
-{% endset %}
+{% set bodyClasses = "language-markup" %}
 
 {% set htmlMarkup %}
   {% include componentName + "/" + componentName + ".njk" ignore missing %}
diff --git a/packages/govuk-frontend-review/src/views/components.njk b/packages/govuk-frontend-review/src/views/components.njk
index ea1c6f906c..eabcb04d29 100644
--- a/packages/govuk-frontend-review/src/views/components.njk
+++ b/packages/govuk-frontend-review/src/views/components.njk
@@ -5,9 +5,7 @@
 
 {% block pageTitle %}All components - GOV.UK Frontend{% endblock %}
 
-{% set bodyClasses %}
-  language-markup
-{% endset %}
+{% set bodyClasses = "language-markup" %}
 
 {% block beforeContent %}
   {{ govukBreadcrumbs({