diff --git a/watermark.html b/watermark.html
deleted file mode 100644
index 4765caf..0000000
--- a/watermark.html
+++ /dev/null
@@ -1,38 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="UTF-8">
-<title></title>
-<style type="text/css">
-html, body { height: 100%; overflow: hidden; }
-body {
-  background: url(images/logo.svg) center no-repeat #fff;
-  background-size: 30%;
-  background-blend-mode: luminosity;
-}
-html:not(.dark-mode) body:before {
-  content: "";
-  position: absolute;
-  top: 0;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  background: rgba(255, 255, 255, .85);
-}
-html.dark-mode > body {
-  background-color: #21292c;
-  background-blend-mode: soft-light;
-}
-</style>
-<script>
-  try {
-    if (document.cookie.indexOf('colorMode=dark') > -1
-      || (document.cookie.indexOf('colorMode=light') === -1 && window.matchMedia('(prefers-color-scheme: dark)').matches)
-    ) {
-      document.documentElement.className += ' dark-mode';
-    }
-  } catch (e) { }
-</script>
-</head>
-<body></body>
-</html>
