diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 643ebe7..8c41734 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -582,7 +582,6 @@ vertical-align: middle;
 .icon-mypage { background-image: url(../images/user_page.png); }
 .icon-admin { background-image: url(../images/admin.png); }
 .icon-projects { background-image: url(../images/projects.png); }
-.icon-logout { background-image: url(../images/logout.png); }
 .icon-help { background-image: url(../images/help.png); }
 .icon-attachment  { background-image: url(../images/attachment.png); }
 .icon-index  { background-image: url(../images/index.png); }
diff --git a/public/stylesheets/jstoolbar.css b/public/stylesheets/jstoolbar.css
index 4e9d44b..9514e3e 100644
--- a/public/stylesheets/jstoolbar.css
+++ b/public/stylesheets/jstoolbar.css
@@ -60,15 +60,9 @@
 .jstb_del {
 	background-image: url(../images/jstoolbar/bt_del.png);
 }
-.jstb_quote {
-	background-image: url(../images/jstoolbar/bt_quote.png);
-}
 .jstb_code {
 	background-image: url(../images/jstoolbar/bt_code.png);
 }
-.jstb_br {
-	background-image: url(../images/jstoolbar/bt_br.png);
-}
 .jstb_h1 {
 	background-image: url(../images/jstoolbar/bt_h1.png);
 }