diff --git a/classes/pref/feeds.php b/classes/pref/feeds.php
index ab280a98e..da3a96282 100644
--- a/classes/pref/feeds.php
+++ b/classes/pref/feeds.php
@@ -36,8 +36,7 @@ class Pref_Feeds extends Handler_Protected {
 
 		// first one is set by API
 		$show_empty_cats = $_REQUEST['force_show_empty'] ||
-			($_REQUEST['mode'] != 2 && !$search &&
-				get_pref('_PREFS_SHOW_EMPTY_CATS'));
+			($_REQUEST['mode'] != 2 && !$search);
 
 		$items = array();
 
@@ -185,8 +184,7 @@ class Pref_Feeds extends Handler_Protected {
 
 		if ($enable_cats) {
 			$show_empty_cats = $_REQUEST['force_show_empty'] ||
-				($_REQUEST['mode'] != 2 && !$search &&
-				get_pref('_PREFS_SHOW_EMPTY_CATS'));
+				($_REQUEST['mode'] != 2 && !$search);
 
 			$result = $this->dbh->query("SELECT id, title FROM ttrss_feed_categories
 				WHERE owner_uid = " . $_SESSION["uid"] . " AND parent_cat IS NULL ORDER BY order_id, title");
@@ -305,11 +303,6 @@ class Pref_Feeds extends Handler_Protected {
 		return;
 	}
 
-	function togglehiddenfeedcats() {
-		set_pref('_PREFS_SHOW_EMPTY_CATS',
-			(get_pref('_PREFS_SHOW_EMPTY_CATS') ? 'false' : 'true'));
-	}
-
 	private function process_category_order(&$data_map, $item_id, $parent_id = false, $nest_level = 0) {
 		$debug = isset($_REQUEST["debug"]);
 
@@ -1351,9 +1344,6 @@ class Pref_Feeds extends Handler_Protected {
 		print $error_button;
 		print $inactive_button;
 
-		print "<button onclick=\"toggleHiddenFeedCats()\"
-			dojoType=\"dijit.form.Button\">".__('(Un)hide empty categories')."</button>";
-
 		if (defined('_ENABLE_FEED_DEBUGGING')) {
 
 			print "<select id=\"feedActionChooser\" onchange=\"feedActionChange()\">
diff --git a/js/prefs.js b/js/prefs.js
index 4346054ef..e226459fc 100644
--- a/js/prefs.js
+++ b/js/prefs.js
@@ -1610,21 +1610,6 @@ function resetCatOrder() {
 	}
 }
 
-function toggleHiddenFeedCats() {
-	try {
-		notify_progress("Loading, please wait...");
-
-		new Ajax.Request("backend.php", {
-			parameters: "?op=pref-feeds&method=togglehiddenfeedcats",
-			onComplete: function(transport) {
-		  		updateFeedList();
-			} });
-
-	} catch (e) {
-		exception_error("toggleHiddenFeedCats");
-	}
-}
-
 function editCat(id, item, event) {
 	try {
 		var new_name = prompt(__('Rename category to:'), item.name);