diff --git a/themes/newsletter/templates/base.html b/themes/newsletter/templates/base.html
index 30841ff20..26c7faf4a 100644
--- a/themes/newsletter/templates/base.html
+++ b/themes/newsletter/templates/base.html
@@ -178,45 +178,6 @@
      blockquote p {
        white-space: pre-line;
      }
-
-    @media (prefers-color-scheme: dark) {
-      body {
-        background: black;
-        color: white;
-      }
-
-      p {
-        color: white;
-      }
-
-      td .row-header-01 {
-        color: white;
-      }
-
-      .ExternalClass {
-        color: white;
-      }
-
-      code {
-        color: #c7254e !important;
-        border: 1px solid #7f8c8d;
-        background-color: #ccd1d1;
-      }
-
-      h1,
-      h2 {
-        color: white;
-      }
-
-      table .container {
-        border-color: black;
-        border-top-color: #ccc;
-      }
-
-      blockquote {
-        background-color: #3c3c3c;
-      }
-    }
     </style>
   </head>