diff --git a/packages/backend/src/server/web/flush.css b/packages/backend/src/server/web/flush.css
deleted file mode 100644
index 6610eb4665..0000000000
--- a/packages/backend/src/server/web/flush.css
+++ /dev/null
@@ -1,16 +0,0 @@
-* {
-	font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
-}
-body,
-html {
-	background-color: #222;
-	color: #dfddcc;
-	justify-content: center;
-	margin: auto;
-	padding: 10px;
-	text-align: center;
-}
-a {
-	color: rgb(134, 179, 0);
-	text-decoration: none;
-}
diff --git a/packages/backend/src/server/web/views/flush.pug b/packages/backend/src/server/web/views/flush.pug
index 521946be2c..81d034d820 100644
--- a/packages/backend/src/server/web/views/flush.pug
+++ b/packages/backend/src/server/web/views/flush.pug
@@ -5,8 +5,23 @@ html
 		meta(charset='utf-8')
 		meta(name='application-name' content='Misskey')
 		title Flush Misskey
-		style
-			include ../flush.css
+		style.
+			* {
+				font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
+			}
+			body,
+			html {
+				background-color: #222;
+				color: #dfddcc;
+				justify-content: center;
+				margin: auto;
+				padding: 10px;
+				text-align: center;
+			}
+			a {
+				color: rgb(134, 179, 0);
+				text-decoration: none;
+			}
 
 	body
 		#msg