diff --git a/phpBB/styles/prosilver/theme/en/button_pm_forward.gif b/phpBB/styles/prosilver/theme/en/button_pm_forward.gif
deleted file mode 100644
index 3384df34be..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_pm_forward.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/button_pm_new.gif b/phpBB/styles/prosilver/theme/en/button_pm_new.gif
deleted file mode 100644
index cc0381c6b2..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_pm_new.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/button_pm_reply.gif b/phpBB/styles/prosilver/theme/en/button_pm_reply.gif
deleted file mode 100644
index 3275b06d52..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_pm_reply.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/button_topic_locked.gif b/phpBB/styles/prosilver/theme/en/button_topic_locked.gif
deleted file mode 100644
index b08918a24f..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_topic_locked.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/button_topic_new.gif b/phpBB/styles/prosilver/theme/en/button_topic_new.gif
deleted file mode 100644
index 5b7b1e0e60..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_topic_new.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/button_topic_reply.gif b/phpBB/styles/prosilver/theme/en/button_topic_reply.gif
deleted file mode 100644
index e900c80c70..0000000000
Binary files a/phpBB/styles/prosilver/theme/en/button_topic_reply.gif and /dev/null differ
diff --git a/phpBB/styles/prosilver/theme/en/stylesheet.css b/phpBB/styles/prosilver/theme/en/stylesheet.css
index 1a3d0acb4b..82b7df0830 100644
--- a/phpBB/styles/prosilver/theme/en/stylesheet.css
+++ b/phpBB/styles/prosilver/theme/en/stylesheet.css
@@ -32,33 +32,3 @@ ul.profile-icons li.edit-icon	{ width: 42px; height: 20px; }
 	padding-left: 58px;
 	padding-top: 58px;
 }
-.imageset.button_pm_forward {
-	background-image: url("./button_pm_forward.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_pm_new {
-	background-image: url("./button_pm_new.gif");
-	padding-left: 84px;
-	padding-top: 25px;
-}
-.imageset.button_pm_reply {
-	background-image: url("./button_pm_reply.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_topic_locked {
-	background-image: url("./button_topic_locked.gif");
-	padding-left: 88px;
-	padding-top: 25px;
-}
-.imageset.button_topic_new {
-	background-image: url("./button_topic_new.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_topic_reply {
-	background-image: url("./button_topic_reply.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
diff --git a/phpBB/styles/prosilver/theme/imageset.css b/phpBB/styles/prosilver/theme/imageset.css
index 296c617f17..7aa19df06e 100644
--- a/phpBB/styles/prosilver/theme/imageset.css
+++ b/phpBB/styles/prosilver/theme/imageset.css
@@ -378,33 +378,3 @@ span.imageset {
 	padding-left: 58px;
 	padding-top: 58px;
 }
-.imageset.button_pm_forward {
-	background-image: url("./en/button_pm_forward.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_pm_new {
-	background-image: url("./en/button_pm_new.gif");
-	padding-left: 84px;
-	padding-top: 25px;
-}
-.imageset.button_pm_reply {
-	background-image: url("./en/button_pm_reply.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_topic_locked {
-	background-image: url("./en/button_topic_locked.gif");
-	padding-left: 88px;
-	padding-top: 25px;
-}
-.imageset.button_topic_new {
-	background-image: url("./en/button_topic_new.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}
-.imageset.button_topic_reply {
-	background-image: url("./en/button_topic_reply.gif");
-	padding-left: 96px;
-	padding-top: 25px;
-}