diff --git a/app/routes.py b/app/routes.py
index d643b15..3b074fa 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -251,8 +251,7 @@ def opensearch():
         main_url=opensearch_url,
         request_type='' if get_only else 'method="post"',
         search_type=request.args.get('tbm'),
-        search_name=get_search_name(request.args.get('tbm')),
-        preferences=g.user_config.preferences
+        search_name=get_search_name(request.args.get('tbm'))
     ), 200, {'Content-Type': 'application/xml'}
 
 
diff --git a/app/templates/opensearch.xml b/app/templates/opensearch.xml
index 0dd6b0f..df421e3 100644
--- a/app/templates/opensearch.xml
+++ b/app/templates/opensearch.xml
@@ -17,9 +17,6 @@
         {% if search_type %}
             <Param name="tbm" value="{{ search_type }}"/>
         {% endif %}
-        {% if preferences %}
-            <Param name="preferences" value="{{ preferences }}"/>
-        {% endif %}
     </Url>
     <Url type="application/x-suggestions+json" {{ request_type|safe }} template="{{ main_url }}/autocomplete">
         <Param name="q" value="{searchTerms}"/>