diff --git a/modules/nojs/mw.echo.badge.less b/modules/nojs/mw.echo.badge.less
index c0dd789fd..855c14903 100644
--- a/modules/nojs/mw.echo.badge.less
+++ b/modules/nojs/mw.echo.badge.less
@@ -95,5 +95,16 @@
 			background-image: url( ../icons/tray.svg );
 		}
 	}
+
+	&.oo-ui-flaggedElement-unseen,
+	&.mw-echo-unseen-notifications {
+		#pt-notifications-alert &:after {
+			background-color: @badge-counter-background-unseen-alert;
+		}
+
+		#pt-notifications-notice &:after {
+			background-color: @badge-counter-background-unseen-message;
+		}
+	}
 }
 /* stylelint-enable no-descending-specificity */
diff --git a/modules/nojs/mw.echo.badge.monobook.less b/modules/nojs/mw.echo.badge.monobook.less
index 576d49012..83f6fb71f 100644
--- a/modules/nojs/mw.echo.badge.monobook.less
+++ b/modules/nojs/mw.echo.badge.monobook.less
@@ -17,17 +17,6 @@
 			top: @badge-offscreen-offset + 3px;
 		}
 	}
-
-	&.oo-ui-flaggedElement-unseen,
-	&.mw-echo-unseen-notifications {
-		#pt-notifications-alert &:after {
-			background-color: @badge-counter-background-unseen-alert;
-		}
-
-		#pt-notifications-notice &:after {
-			background-color: @badge-counter-background-unseen-message;
-		}
-	}
 }
 
 #p-personal #pt-notifications-alert,
diff --git a/modules/nojs/mw.echo.badge.vector.less b/modules/nojs/mw.echo.badge.vector.less
index 0256eb627..86ed44f6b 100644
--- a/modules/nojs/mw.echo.badge.vector.less
+++ b/modules/nojs/mw.echo.badge.vector.less
@@ -1,19 +1,5 @@
 @import '../echo.variables';
 
-/* We have to include the #pt-notifications selector due to monobook */
-.mw-echo-notifications-badge {
-	&.oo-ui-flaggedElement-unseen,
-	&.mw-echo-unseen-notifications {
-		#pt-notifications-alert &:after {
-			background-color: @badge-counter-background-unseen-alert;
-		}
-
-		#pt-notifications-notice &:after {
-			background-color: @badge-counter-background-unseen-message;
-		}
-	}
-}
-
 #p-personal #pt-notifications-alert,
 #p-personal #pt-notifications-notice {
 	margin-right: 0.4em;