diff --git a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/data.html b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/data.html
index a8086cd96a85..02721cd1b757 100644
--- a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/data.html
+++ b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/data.html
@@ -387,7 +387,6 @@ <h3>References</h3>
       <ul>
 	<li><a href="https://www.clarin.eu/content/standards">CLARIN ERIC: Standards</a></li>
 	<li><a href="https://www.clarin.eu/content/standards-and-formats">CLARIN ERIC: Standards and Formats</a></li>
-	<li><a href="https://arche.acdh.oeaw.ac.at/browser/formats-filenames-and-metadata">ARCHE: Filenames, Formats &amp; Metadata</a></li>
 	<li><a href="https://www.mpi.nl/corpus/html/lamus2/apa.html">MPI: Appendix A. Accepted file types and formats</a></li>
 	<li><a href="http://fedora.clarin-d.uni-saarland.de/ressources/AcceptedFormats.en.pdf">CLARIN-D: Llist of accepted formats</a></li>
       </ul>
diff --git a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/sl/data.html b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/sl/data.html
index 55db81a15637..b75100752752 100644
--- a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/sl/data.html
+++ b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/sl/data.html
@@ -262,7 +262,6 @@ <h3>Viri</h3>
       <ul>
 	<li><a href="https://www.clarin.eu/content/standards">CLARIN ERIC: Standards</a></li>
 	<li><a href="https://www.clarin.eu/content/standards-and-formats">CLARIN ERIC: Standards and Formats</a></li>
-	<li><a href="https://arche.acdh.oeaw.ac.at/browser/formats-filenames-and-metadata">ARCHE: Filenames, Formats &amp; Metadata</a></li>
 	<li><a href="https://www.mpi.nl/corpus/html/lamus2/apa.html">MPI: Appendix A. Accepted file types and formats</a></li>
 	<li><a href="http://fedora.clarin-d.uni-saarland.de/ressources/AcceptedFormats.en.pdf">CLARIN-D: List of accepted formats</a></li>
       </ul>