diff --git a/lib/output.php b/lib/output.php
index 823a6631..8de81576 100644
--- a/lib/output.php
+++ b/lib/output.php
@@ -16,58 +16,3 @@ function formatOSMType($sType, $bIncludeExternal = true)
 
     return '';
 }
-
-function osmLink($aFeature, $sRefText = false)
-{
-    $sOSMType = formatOSMType($aFeature['osm_type'], false);
-    if ($sOSMType) {
-        return '<a href="//www.openstreetmap.org/'.$sOSMType.'/'.$aFeature['osm_id'].'">'.$sOSMType.' '.($sRefText?$sRefText:$aFeature['osm_id']).'</a>';
-    }
-    return '';
-}
-
-function wikipediaLink($aFeature)
-{
-    if ($aFeature['wikipedia']) {
-        list($sLanguage, $sArticle) = explode(':', $aFeature['wikipedia']);
-        return '<a href="https://'.$sLanguage.'.wikipedia.org/wiki/'.urlencode($sArticle).'" target="_blank">'.$aFeature['wikipedia'].'</a>';
-    }
-    return '';
-}
-
-function detailsLink($aFeature, $sTitle = false, $sExtraProperties = false)
-{
-    if (!$aFeature['place_id']) return '';
-
-    $sHtml = '<a ';
-    if ($sExtraProperties) {
-        $sHtml .= $sExtraProperties.' ';
-    }
-
-    $sHtml .= 'href="details.php?place_id='.$aFeature['place_id'].'">'.($sTitle?$sTitle:$aFeature['place_id']).'</a>';
-
-    return $sHtml;
-}
-
-function detailsPermaLink($aFeature, $sRefText = false, $sExtraProperties = false)
-{
-    $sOSMType = formatOSMType($aFeature['osm_type'], false);
-
-    if ($sOSMType) {
-        $sHtml = '<a ';
-        if ($sExtraProperties) {
-            $sHtml .= $sExtraProperties.' ';
-        }
-        $sHtml .= 'href="details.php?osmtype='.$aFeature['osm_type']
-                  .'&osmid='.$aFeature['osm_id'].'&class='.$aFeature['class'].'">';
-
-        if ($sRefText) {
-            $sHtml .= $sRefText.'</a>';
-        } else {
-            $sHtml .= $sOSMType.' '.$aFeature['osm_id'].'</a>';
-        }
-
-        return $sHtml;
-    }
-    return detailsLink($aFeature, $sRefText, $sExtraProperties);
-}
diff --git a/test/php/Nominatim/OutputTest.php b/test/php/Nominatim/OutputTest.php
deleted file mode 100644
index cbfebb7d..00000000
--- a/test/php/Nominatim/OutputTest.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?php
-
-namespace Nominatim;
-
-require_once(CONST_LibDir.'/output.php');
-
-class OutputTest extends \PHPUnit\Framework\TestCase
-{
-    public function testDetailsPermaLinkNode()
-    {
-        $aFeature = array('osm_type' => 'N', 'osm_id'=> 38274, 'class' => 'place');
-        $this->assertSame(
-            detailsPermaLink($aFeature),
-            '<a href="details.php?osmtype=N&osmid=38274&class=place">node 38274</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkWay()
-    {
-        $aFeature = array('osm_type' => 'W', 'osm_id'=> 65, 'class' => 'highway');
-        $this->assertSame(
-            detailsPermaLink($aFeature),
-            '<a href="details.php?osmtype=W&osmid=65&class=highway">way 65</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkRelation()
-    {
-        $aFeature = array('osm_type' => 'R', 'osm_id'=> 9908, 'class' => 'waterway');
-        $this->assertSame(
-            detailsPermaLink($aFeature),
-            '<a href="details.php?osmtype=R&osmid=9908&class=waterway">relation 9908</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkTiger()
-    {
-        $aFeature = array('osm_type' => 'T', 'osm_id'=> 2, 'place_id' => 334);
-        $this->assertSame(
-            detailsPermaLink($aFeature, 'foo'),
-            '<a href="details.php?place_id=334">foo</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkInterpolation()
-    {
-        $aFeature = array('osm_type' => 'I', 'osm_id'=> 400, 'place_id' => 3);
-        $this->assertSame(
-            detailsPermaLink($aFeature, 'foo'),
-            '<a href="details.php?place_id=3">foo</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkWithExtraPropertiesNode()
-    {
-        $aFeature = array('osm_type' => 'N', 'osm_id'=> 2, 'class' => 'amenity');
-        $this->assertSame(
-            detailsPermaLink($aFeature, 'something', 'class="xtype"'),
-            '<a class="xtype" href="details.php?osmtype=N&osmid=2&class=amenity">something</a>'
-        );
-    }
-
-    public function testDetailsPermaLinkWithExtraPropertiesTiger()
-    {
-        $aFeature = array('osm_type' => 'T', 'osm_id'=> 5, 'place_id' => 46);
-        $this->assertSame(
-            detailsPermaLink($aFeature, 'something', 'class="xtype"'),
-            '<a class="xtype" href="details.php?place_id=46">something</a>'
-        );
-    }
-}