diff --git a/web/themes/contrib/civictheme/civictheme.layouts.yml b/web/themes/contrib/civictheme/civictheme.layouts.yml
index 3578b396f..967d37e50 100644
--- a/web/themes/contrib/civictheme/civictheme.layouts.yml
+++ b/web/themes/contrib/civictheme/civictheme.layouts.yml
@@ -20,31 +20,3 @@ civictheme_three_columns:
       label: 'Sidebar Top Right'
     sidebar_bottom_right:
       label: 'Sidebar Bottom Right'
-
-# Deprecated and will be removed in 1.9. Switch to civictheme_three_columns.
-civictheme_one_column:
-  label: 'Deprecated. Single column - edge to edge content.'
-  library: civictheme/layouts
-  category: 'CivicTheme Layouts'
-  path: templates/layout/
-  template: layout--single-column
-  default_region: content
-  icon_map:
-    - [ content ]
-  regions:
-    content:
-      label: Main content
-
-# Deprecated and will be removed in 1.9. Switch to civictheme_three_columns.
-civictheme_one_column_contained:
-  label: 'Deprecated. Single column - contained content'
-  library: civictheme/layouts
-  category: 'CivicTheme Layouts'
-  path: templates/layout/
-  template: layout--single-column-contained
-  default_region: content
-  icon_map:
-    - [ content ]
-  regions:
-    content:
-      label: Main content
diff --git a/web/themes/contrib/civictheme/templates/layout/layout--single-column-contained.html.twig b/web/themes/contrib/civictheme/templates/layout/layout--single-column-contained.html.twig
deleted file mode 100644
index 9fd3cc634..000000000
--- a/web/themes/contrib/civictheme/templates/layout/layout--single-column-contained.html.twig
+++ /dev/null
@@ -1,25 +0,0 @@
-{#
-/**
- * @file
- * CivicTheme implementation to display a one-column contained layout.
- *
- * Available variables:
- * - content: The content for this layout.
- * - modifier_class: CSS modifying class
- *
- * @deprecated in CivicTheme 1.8.0, will be removed in CivicTheme 1.9.0. Use
- * layout--three-columns.html.twig instead.
- */
-#}
-
-{% if content %}
-  <main class="ct-layout">
-    <div class="ct-layout__inner container">
-      {% block content_block %}
-        <section class="ct-layout__main ct-layout__content {{ modifier_class }}">
-          {{ content }}
-        </section>
-      {% endblock %}
-    </div>
-  </main>
-{% endif %}
diff --git a/web/themes/contrib/civictheme/templates/layout/layout--single-column.html.twig b/web/themes/contrib/civictheme/templates/layout/layout--single-column.html.twig
deleted file mode 100644
index ae90fc672..000000000
--- a/web/themes/contrib/civictheme/templates/layout/layout--single-column.html.twig
+++ /dev/null
@@ -1,25 +0,0 @@
-{#
-/**
- * @file
- * CivicTheme implementation to display a one-column edge to edge layout.
- *
- * Available variables:
- * - content: The content for this layout.
- * - modifier_class: CSS modifying class
- *
- * @deprecated in CivicTheme 1.8.0, will be removed in CivicTheme 1.9.0. Use
- * layout--three-columns.html.twig instead.
- */
-#}
-
-{% if content %}
-  <main class="ct-layout">
-    <div class="ct-layout__inner container-fluid">
-      {% block content_block %}
-        <section class="ct-layout__main ct-layout__content {{ modifier_class }}">
-          {{ content }}
-        </section>
-      {% endblock %}
-    </div>
-  </main>
-{% endif %}