diff --git a/docs/tests/infinite-iframe-creation.html b/docs/tests/infinite-iframe-creation.html
deleted file mode 100644
index 086b31db5..000000000
--- a/docs/tests/infinite-iframe-creation.html
+++ /dev/null
@@ -1,39 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<title>Infinite iframe creation</title>
-</head>
-<body>
-<h1>Infinite iframe creation</h1>
-<div style="display:flex;flex-wrap:wrap;">
-<div class="iframeContainer"></div>
-<div class="iframeContainer"></div>
-<div class="iframeContainer"></div>
-<div class="iframeContainer"></div>
-</div>
-<script>
-let containers = document.querySelectorAll('.iframeContainer');
-let iContainer = 0;
-function randomStr(size) {
-    const part = Math.random().toString().slice(2);
-    return part.repeat((size + part.length - 1) / part.length);
-}
-function createFrame() {
-    iContainer += 1;
-    const i = iContainer % containers.length;
-    const container = containers[i];
-    if ( container.firstElementChild !== null ) {
-        container.firstElementChild.remove();
-    }
-    const iframe = document.createElement('iframe');
-    iframe.src = 'plagiomnium_affine_laminazellen.jpeg?_=' + randomStr(8000);
-    container.appendChild(iframe);
-    setTimeout(( ) => {
-        createFrame();
-    }, 333);
-}
-createFrame();
-</script>
-<div><a href="https://commons.wikimedia.org/wiki/File:Plagiomnium_affine_laminazellen.jpeg">Image from commons.wikimedia.org</a></div>
-</body>
-</html>
diff --git a/docs/tests/plagiomnium_affine_laminazellen.jpeg b/docs/tests/plagiomnium_affine_laminazellen.jpeg
deleted file mode 100644
index 9c0b8d281..000000000
Binary files a/docs/tests/plagiomnium_affine_laminazellen.jpeg and /dev/null differ
