diff --git a/src/web/app/desktop/tags/post-form-window.tag b/src/web/app/desktop/tags/post-form-window.tag
index 956e83ac6..adc70a93f 100644
--- a/src/web/app/desktop/tags/post-form-window.tag
+++ b/src/web/app/desktop/tags/post-form-window.tag
@@ -1,5 +1,5 @@
 <mk-post-form-window>
-	<mk-window ref="window" is-modal={ true } colored={ true }>
+	<mk-window ref="window" is-modal={ true }>
 		<yield to="header">
 			<span if={ !parent.opts.reply }>新規投稿</span>
 			<span if={ parent.opts.reply }>返信</span>
diff --git a/src/web/app/desktop/tags/repost-form-window.tag b/src/web/app/desktop/tags/repost-form-window.tag
index 75fe9f482..0f2a139fe 100644
--- a/src/web/app/desktop/tags/repost-form-window.tag
+++ b/src/web/app/desktop/tags/repost-form-window.tag
@@ -1,7 +1,11 @@
 <mk-repost-form-window>
-	<mk-window ref="window" is-modal={ true } colored={ true }><yield to="header"><i class="fa fa-retweet"></i>この投稿をRepostしますか？</yield>
-<yield to="content">
-		<mk-repost-form ref="form" post={ parent.opts.post }></mk-repost-form></yield>
+	<mk-window ref="window" is-modal={ true }>
+		<yield to="header">
+			<i class="fa fa-retweet"></i>この投稿をRepostしますか？
+		</yield>
+		<yield to="content">
+			<mk-repost-form ref="form" post={ parent.opts.post }></mk-repost-form>
+		</yield>
 	</mk-window>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/window.tag b/src/web/app/desktop/tags/window.tag
index 3e7da9076..55bb66623 100644
--- a/src/web/app/desktop/tags/window.tag
+++ b/src/web/app/desktop/tags/window.tag
@@ -1,4 +1,4 @@
-<mk-window data-flexible={ isFlexible } data-colored={ opts.colored } ondragover={ ondragover }>
+<mk-window data-flexible={ isFlexible } ondragover={ ondragover }>
 	<div class="bg" ref="bg" show={ isModal } onclick={ bgClick }></div>
 	<div class="main" ref="main" tabindex="-1" data-is-modal={ isModal } onmousedown={ onBodyMousedown } onkeydown={ onKeydown }>
 		<div class="body">
@@ -171,25 +171,6 @@
 				> .main > .body > .content
 					height calc(100% - 40px)
 
-			&[data-colored]
-
-				> .main > .body
-
-					> header
-						box-shadow 0 1px 0 rgba($theme-color, 0.1)
-
-						> h1
-							color #d0b4ac
-
-						> .close
-							color rgba($theme-color, 0.4)
-
-							&:hover
-								color rgba($theme-color, 0.6)
-
-							&:active
-								color darken($theme-color, 30%)
-
 	</style>
 	<script>
 		const contains = require('../../common/scripts/contains');