diff --git a/phpBB/styles/prosilver/theme/bidi.css b/phpBB/styles/prosilver/theme/bidi.css
index a5b9b51dbf..45eaa8336b 100644
--- a/phpBB/styles/prosilver/theme/bidi.css
+++ b/phpBB/styles/prosilver/theme/bidi.css
@@ -631,10 +631,6 @@ li.breadcrumbs span:first-child > a {
 	float: right;
 }
 
-.rtl .online {
-	background-position: 0 0;
-}
-
 .rtl dl.pmlist dd {
 	margin-right: 61% !important;
 	margin-left: 0 !important;
diff --git a/phpBB/styles/prosilver/theme/colours.css b/phpBB/styles/prosilver/theme/colours.css
index f5b0211f03..e7b305efe5 100644
--- a/phpBB/styles/prosilver/theme/colours.css
+++ b/phpBB/styles/prosilver/theme/colours.css
@@ -737,7 +737,6 @@ dd.profile-warnings {
 .contact-icon { background-image: url("./images/icons_contact.png"); }
 
 /* profile icons */
-.online { background-image: url("./en/icon_user_online.gif"); }
 .pm-icon { background-position: 0 0; }
 .email-icon { background-position: -21px 0; }
 .jabber-icon { background-position: -80px 0; }
diff --git a/phpBB/styles/prosilver/theme/content.css b/phpBB/styles/prosilver/theme/content.css
index 5f0d46852e..cd98ded436 100644
--- a/phpBB/styles/prosilver/theme/content.css
+++ b/phpBB/styles/prosilver/theme/content.css
@@ -795,12 +795,6 @@ dd.profile-contact {
 	margin-right: -14px;
 }
 
-.online {
-	background-image: none;
-	background-repeat: no-repeat;
-	background-position: 100% 0;
-}
-
 /* Poster profile used by search */
 .search .postprofile {
 	width: 30%;
diff --git a/phpBB/styles/prosilver/theme/responsive.css b/phpBB/styles/prosilver/theme/responsive.css
index 3b556b22db..7d7485e910 100644
--- a/phpBB/styles/prosilver/theme/responsive.css
+++ b/phpBB/styles/prosilver/theme/responsive.css
@@ -557,10 +557,6 @@
 		right: 30px;
 	}
 
-	.online {
-		background-size: 40px;
-	}
-
 	/* Misc stuff
 	---------------------------------------------------------------- */
 	h2 {