diff --git a/openstack_dashboard/static/dashboard/img/right_droparrow.png b/openstack_dashboard/static/dashboard/img/right_droparrow.png
deleted file mode 100644
index c01f67c7eb..0000000000
Binary files a/openstack_dashboard/static/dashboard/img/right_droparrow.png and /dev/null differ
diff --git a/openstack_dashboard/static/dashboard/scss/horizon.scss b/openstack_dashboard/static/dashboard/scss/horizon.scss
index 70a87b4fdb..732bea3d76 100644
--- a/openstack_dashboard/static/dashboard/scss/horizon.scss
+++ b/openstack_dashboard/static/dashboard/scss/horizon.scss
@@ -985,22 +985,6 @@ tr.terminated {
   word-wrap: break-word;
 }
 
-.volume_boot_disclosure {
-  font-weight: bold;
-  color: $gray;
-  cursor: pointer;
-  background-image: url(../img/right_droparrow.png);
-  background-repeat: no-repeat;
-  background-position: 130px center;
-}
-
-.volume_boot_disclosure.on {
-  width: 334px;
-  margin-bottom: 10px;
-  border-bottom: solid 1px $border-color;
-  background-image: url(../img/drop_arrow.png);
-}
-
 .nav-tabs a {
   cursor: pointer;
 }