diff --git a/controllers/bookmark.php b/controllers/bookmark.php
index ba590bf..4ea7cbd 100644
--- a/controllers/bookmark.php
+++ b/controllers/bookmark.php
@@ -3,7 +3,6 @@
 use PicoFarad\Router;
 use PicoFarad\Response;
 use PicoFarad\Request;
-use PicoFarad\Session;
 use PicoFarad\Template;
 use PicoFeed\Syndication\Atom;
 
diff --git a/controllers/config.php b/controllers/config.php
index fe3e5b2..f9dd8f5 100644
--- a/controllers/config.php
+++ b/controllers/config.php
@@ -172,6 +172,7 @@ Router\post_action('config', function() {
     )));
 });
 
+// Get configuration parameters (AJAX request)
 Router\post_action('get-config', function() {
     $return = array();
     $options = Request\values();
diff --git a/controllers/console.php b/controllers/console.php
index ea040c8..773a423 100644
--- a/controllers/console.php
+++ b/controllers/console.php
@@ -2,8 +2,6 @@
 
 use PicoFarad\Router;
 use PicoFarad\Response;
-use PicoFarad\Request;
-use PicoFarad\Session;
 use PicoFarad\Template;
 
 // Flush console messages
diff --git a/controllers/history.php b/controllers/history.php
index f75ab08..4fd5a27 100644
--- a/controllers/history.php
+++ b/controllers/history.php
@@ -3,7 +3,6 @@
 use PicoFarad\Router;
 use PicoFarad\Response;
 use PicoFarad\Request;
-use PicoFarad\Session;
 use PicoFarad\Template;
 
 // Display history page
diff --git a/controllers/item.php b/controllers/item.php
index 475d64b..f20c564 100644
--- a/controllers/item.php
+++ b/controllers/item.php
@@ -3,7 +3,6 @@
 use PicoFarad\Router;
 use PicoFarad\Response;
 use PicoFarad\Request;
-use PicoFarad\Session;
 use PicoFarad\Template;
 
 // Display unread items
@@ -126,17 +125,6 @@ Router\post_action('download-item', function() {
     Response\json($download);
 });
 
-// Ajax call change item status
-Router\post_action('change-item-status', function() {
-
-    $id = Request\param('id');
-
-    Response\json(array(
-        'item_id' => $id,
-        'status' => Model\Item\switch_status($id)
-    ));
-});
-
 // Ajax call to mark item read
 Router\post_action('mark-item-read', function() {
 
diff --git a/controllers/user.php b/controllers/user.php
index 5d653cd..885c684 100644
--- a/controllers/user.php
+++ b/controllers/user.php
@@ -3,7 +3,6 @@
 use PicoFarad\Router;
 use PicoFarad\Response;
 use PicoFarad\Request;
-use PicoFarad\Session;
 use PicoFarad\Template;
 
 // Logout and destroy session
diff --git a/models/auto_update.php b/models/auto_update.php
index 447b0b2..e651033 100644
--- a/models/auto_update.php
+++ b/models/auto_update.php
@@ -4,7 +4,6 @@ namespace Model\AutoUpdate;
 
 use ZipArchive;
 use DirectoryIterator;
-use RecursiveIterator;
 use RecursiveIteratorIterator;
 use RecursiveDirectoryIterator;
 use Model\Config;
diff --git a/models/item.php b/models/item.php
index 7e4e07a..0c1b956 100644
--- a/models/item.php
+++ b/models/item.php
@@ -7,7 +7,6 @@ use Model\Config;
 use PicoDb\Database;
 use PicoFeed\Logging\Logger;
 use PicoFeed\Client\Grabber;
-use PicoFeed\Filter\Filter;
 
 // Get all items without filtering
 function get_all()
@@ -327,37 +326,6 @@ function set_bookmark_value($id, $value)
         ->save(array('bookmark' => $value));
 }
 
-// Swap item status read <-> unread
-function switch_status($id)
-{
-    $item = Database::get('db')
-        ->table('items')
-        ->columns('status')
-        ->eq('id', $id)
-        ->findOne();
-
-    if ($item['status'] == 'unread') {
-
-        Database::get('db')
-            ->table('items')
-            ->eq('id', $id)
-            ->save(array('status' => 'read'));
-
-        return 'read';
-    }
-    else {
-
-        Database::get('db')
-            ->table('items')
-            ->eq('id', $id)
-            ->save(array('status' => 'unread'));
-
-        return 'unread';
-    }
-
-    return '';
-}
-
 // Mark all unread items as read
 function mark_all_as_read()
 {
diff --git a/models/remember_me.php b/models/remember_me.php
index 7e12491..d09a897 100644
--- a/models/remember_me.php
+++ b/models/remember_me.php
@@ -99,21 +99,6 @@ function refresh()
     }
 }
 
-/**
- * Remove a session record
- *
- * @access public
- * @param  integer  $session_id   Session id
- * @return mixed
- */
-function remove($session_id)
-{
-    return Database::get('db')
-                ->table(TABLE)
-                ->eq('id', $session_id)
-                ->remove();
-}
-
 /**
  * Remove the current RememberMe session and the cookie
  *