diff --git a/src/css/photon.css b/src/css/photon.css
index c62285707..004781931 100644
--- a/src/css/photon.css
+++ b/src/css/photon.css
@@ -39,9 +39,6 @@
 :root.photon .catalog-postContainer:hover .catalog-reply {
   border-color: #CCC;
 }
-:root.photon .catalog-code {
-  background-color: rgba(150, 150, 150, 0.2);
-}
 
 /* Quote */
 :root.photon #arc-list tr:nth-of-type(odd) span.quote {
diff --git a/src/css/tomorrow.css b/src/css/tomorrow.css
index f80915324..4dd010601 100644
--- a/src/css/tomorrow.css
+++ b/src/css/tomorrow.css
@@ -38,9 +38,6 @@
 :root.tomorrow .catalog-postContainer:hover .catalog-reply {
   border-color: #111;
 }
-:root.tomorrow .catalog-code {
-  background-color: rgba(255, 255, 255, 0.1);
-}
 
 /* Quote */
 :root.tomorrow #arc-list span.quote {