diff --git a/custom/assets/instance.css b/custom/assets/instance.css
index ada817e51..201cc71ab 100644
--- a/custom/assets/instance.css
+++ b/custom/assets/instance.css
@@ -282,103 +282,3 @@ section.modal._popup>div.form>textarea {
 .profile~.contents>div>._panel .content:not(.omitted) .empty {
 	display: none;
 }
-
-/* Koppers Reply */
-:root {
-	--originalAvatarSize: var(--avatarSize);
-}
-
-.list .note-container .reply-to {
-	--avatarSize: 16px;
-
-	.avatar-container {
-		margin-left: calc((var(--originalAvatarSize) - var(--avatarSize)) / 2);
-		align-self: center;
-	}
-
-	.cat:before,
-	.cat:after {
-		margin-bottom: 5px;
-	}
-
-	.body {
-		display: flex;
-		align-items: baseline;
-		overflow-x: hidden;
-
-		>.header {
-			align-items: initial;
-
-			.user-info {
-
-				>div>.name,
-				.info {
-					display: none;
-				}
-
-				&,
-				>div:first-child {
-					width: auto;
-				}
-			}
-
-			div:has(> .hpaizdrt) {
-				display: none
-			}
-		}
-
-		>.body {
-			flex-grow: 1;
-			max-height: 32px;
-
-			br,
-			.files,
-			.reply-icon,
-			&:has(.cw:not(._cw_style_modern)) .wrmlmaau,
-			.showMoreButton,
-			.rp,
-			.cw button {
-				display: none
-			}
-
-			.mfm-object :not(br) {
-				display: inline;
-			}
-
-			.mfm-object,
-			.mfm-object * {
-				--mfm-zoom-size: 100% !important;
-
-				white-space: nowrap;
-				word-break: keep-all;
-			}
-		}
-
-		.content {
-			&.collapsed>.body {
-				mask: none;
-				-webkit-mask: none;
-			}
-
-			&._cw_style_modern.showContent {
-				min-height: initial;
-
-				>.hiddenNote {
-					text-align: left;
-					font-weight: inherit;
-					font-size: inherit;
-					padding: 0;
-				}
-
-				>button,
-				>.body {
-					display: none;
-				}
-			}
-		}
-
-		.footer {
-			display: none !important;
-		}
-	}
-}