diff --git a/app/javascript/src/styles/base/040_colors.css b/app/javascript/src/styles/base/040_colors.css
index 1b7c3c8b5..24b778c0a 100644
--- a/app/javascript/src/styles/base/040_colors.css
+++ b/app/javascript/src/styles/base/040_colors.css
@@ -171,8 +171,6 @@
   --bulk-update-request-approved-color: green;
   --bulk-update-request-failed-color: red;
 
-  --dmail-preview-border-color: #CCC;
-
   --notice-background: #FFFBBF;
   --notice-border: 1px solid #CCC999;
 
diff --git a/app/javascript/src/styles/specific/dmails.scss b/app/javascript/src/styles/specific/dmails.scss
index a98127514..311e7d6ec 100644
--- a/app/javascript/src/styles/specific/dmails.scss
+++ b/app/javascript/src/styles/specific/dmails.scss
@@ -1,18 +1,5 @@
-@import "../base/000_vars.scss";
-
 div#c-dmails {
   tr.read-false {
     font-weight: bold;
   }
-
-  div#preview {
-    margin: 1em 0;
-    border: 1px solid var(--dmail-preview-border-color);
-    padding: 1em;
-    width: 40em;
-
-    h1 {
-      font-size: $h2_size;
-    }
-  }
 }