diff --git a/components/ILIAS/UI/src/Implementation/Component/Modal/Renderer.php b/components/ILIAS/UI/src/Implementation/Component/Modal/Renderer.php
index 3f987d347bea..e74e38553795 100755
--- a/components/ILIAS/UI/src/Implementation/Component/Modal/Renderer.php
+++ b/components/ILIAS/UI/src/Implementation/Component/Modal/Renderer.php
@@ -262,11 +262,9 @@ protected function renderLightbox(Component\Modal\Lightbox $modal, RendererInter
             $first = false;
         }
         if (count($pages) > 1) {
-            $tpl->setCurrentBlock('controls');
-            $tpl->setVariable('ID_CAROUSEL3', $id_carousel);
+            $tpl->touchBlock('controls');
             $tpl->parseCurrentBlock();
         }
-        $tpl->setVariable('ID_CAROUSEL4', $id_carousel);
         return $tpl->get();
     }
 
diff --git a/components/ILIAS/UI/src/templates/default/Modal/tpl.lightbox.html b/components/ILIAS/UI/src/templates/default/Modal/tpl.lightbox.html
index 642332a907f1..5a0081dd84b4 100755
--- a/components/ILIAS/UI/src/templates/default/Modal/tpl.lightbox.html
+++ b/components/ILIAS/UI/src/templates/default/Modal/tpl.lightbox.html
@@ -31,11 +31,11 @@ <h1 class="modal-title">{TITLE}</h1>
 					</div>
 
 					<!-- BEGIN controls -->
-					<button class="left carousel-control btn-link" href="#{ID_CAROUSEL3}" role="button" type="button" data-slide="prev">
+					<button class="left carousel-control btn-link" type="button" data-slide="prev">
 						<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
 						<span class="sr-only">Previous</span>
 					</button>
-					<button class="right carousel-control btn-link" href="#{ID_CAROUSEL3}" role="button" type="button" data-slide="next">
+					<button class="right carousel-control btn-link" type="button" data-slide="next">
 						<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
 						<span class="sr-only">Next</span>
 					</button>
diff --git a/components/ILIAS/UI/tests/Component/Modal/LightboxTest.php b/components/ILIAS/UI/tests/Component/Modal/LightboxTest.php
index e587b2760eee..06fc05d966b9 100755
--- a/components/ILIAS/UI/tests/Component/Modal/LightboxTest.php
+++ b/components/ILIAS/UI/tests/Component/Modal/LightboxTest.php
@@ -183,11 +183,11 @@ protected static function getExpectedMixedPagesHTML(): string
 						</div>
 					</div>
 
-					<button class="left carousel-control btn-link" href="#id_1_carousel" role="button" type="button" data-slide="prev">
+					<button class="left carousel-control btn-link" type="button" data-slide="prev">
 						<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
 						<span class="sr-only">Previous</span>
 					</button>
-					<button class="right carousel-control btn-link" href="#id_1_carousel" role="button" type="button" data-slide="next">
+					<button class="right carousel-control btn-link" type="button" data-slide="next">
 						<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
 						<span class="sr-only">Next</span>
 					</button>