diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index f538340920..4a03234e90 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1259,14 +1259,6 @@ defineExpose({
 	background-size: auto auto;
 }
 
-html[data-color-scheme=dark] .preview {
-	background-image: repeating-linear-gradient(135deg, transparent, transparent 5px, #0004 5px, #0004 10px);
-}
-
-html[data-color-scheme=light] .preview {
-	background-image: repeating-linear-gradient(135deg, transparent, transparent 5px, #00000005 5px, #00000005 10px);
-}
-
 .targetNote {
 	padding: 0 20px 16px 20px;
 }