diff --git a/docs/_preview/go.mod b/docs/_preview/go.mod
index db0dd4c..48711bc 100644
--- a/docs/_preview/go.mod
+++ b/docs/_preview/go.mod
@@ -3,7 +3,7 @@ module github.com/SpineEventEngine/documentation/docs/_preview
 go 1.22.0
 
 require (
-	github.com/SpineEventEngine/site-commons v0.0.0-20260722151517-5ab10187ff58 // indirect
+	github.com/SpineEventEngine/site-commons v0.0.0-20261001182820-d2b63aedd0f4 // indirect
 	github.com/SpineEventEngine/validation/docs v0.0.0-20260902132507-6465029c83b9 // indirect
 	github.com/gohugoio/hugo-mod-bootstrap-scss/v5 v5.20300.20800 // indirect
 	github.com/gohugoio/hugo-mod-jslibs-dist/popperjs/v2 v2.21100.20000 // indirect
diff --git a/docs/_preview/go.sum b/docs/_preview/go.sum
index e153af0..64c98fe 100644
--- a/docs/_preview/go.sum
+++ b/docs/_preview/go.sum
@@ -1,7 +1,5 @@
-github.com/SpineEventEngine/site-commons v0.0.0-20260522171914-2a606d89558f h1:yF43XTDNj+w1S0fLA/XhrWMrhAoDpqPB7gmc4mUF/9Q=
-github.com/SpineEventEngine/site-commons v0.0.0-20260522171914-2a606d89558f/go.mod h1:tkAl4StIREKmz9r5PiJtuDhvwMMkFXKWcaTyxhIikho=
-github.com/SpineEventEngine/site-commons v0.0.0-20260722151517-5ab10187ff58 h1:kk5qp6+puECLgtYMT855XHUbNidOMWviA6qmhU5Y+tA=
-github.com/SpineEventEngine/site-commons v0.0.0-20260722151517-5ab10187ff58/go.mod h1:tkAl4StIREKmz9r5PiJtuDhvwMMkFXKWcaTyxhIikho=
+github.com/SpineEventEngine/site-commons v0.0.0-20261001182820-d2b63aedd0f4 h1:PoGISjoFRXwKpWwG/oTaGuSG6qF3I3THV2p+/r7qgk0=
+github.com/SpineEventEngine/site-commons v0.0.0-20261001182820-d2b63aedd0f4/go.mod h1:tkAl4StIREKmz9r5PiJtuDhvwMMkFXKWcaTyxhIikho=
 github.com/SpineEventEngine/validation/docs v0.0.0-20260205202311-181ba8844107 h1:2DHRIwwLudP6l3Kh7Nd4KR4uXcsDtIAXE9adW68ivME=
 github.com/SpineEventEngine/validation/docs v0.0.0-20260205202311-181ba8844107/go.mod h1:STHyjXejVvPmfrxujfDvhofmjg55mMk+fwI3TVL0b4Y=
 github.com/SpineEventEngine/validation/docs v0.0.0-20260522175555-cf09b4c706ea h1:YEMSlr5KJXkZdK7epMSnN+6HSr2K41n8O3c8OhtF8pM=
diff --git a/docs/layouts/_shortcodes/date.html b/docs/layouts/_shortcodes/date.html
deleted file mode 100644
index 8428420..0000000
--- a/docs/layouts/_shortcodes/date.html
+++ /dev/null
@@ -1,19 +0,0 @@
-{{- /*
-Renders the page `lastmod` date.
-
-Usage:
-{{< date label="Last updated:" >}}
-
-The spine.io site has a shortcode of the same name and output, which takes
-precedence there. This one lets the preview render the pages that use it.
-*/ -}}
-
-{{- $label := .Get "label" -}}
-{{- $formattedDate := .Page.Lastmod | time.Format ":date_long" -}}
-{{- $isoDate := .Page.Lastmod | time.Format "2006-01-02" -}}
-<p class="date">
-    {{- with $label -}}
-        <span>{{ . }}&nbsp;</span>
-    {{- end -}}
-    <time datetime="{{ $isoDate }}">{{ $formattedDate }}</time>
-</p>