diff --git a/assets/less/markdown.less b/assets/less/markdown.less
index bded81c0..da06519c 100644
--- a/assets/less/markdown.less
+++ b/assets/less/markdown.less
@@ -141,8 +141,6 @@
 
     img {
         box-sizing: content-box;
-        background-color: @background-colour;
-        background-color: var(--background-colour);
         max-width: 100%;
         max-height: 100%;