diff --git a/plugins/FeedsNodeProcessor.inc b/plugins/FeedsNodeProcessor.inc
index 37f8afe..82ca1aa 100644
--- a/plugins/FeedsNodeProcessor.inc
+++ b/plugins/FeedsNodeProcessor.inc
@@ -29,16 +29,23 @@ class FeedsNodeProcessor extends FeedsProcessor {
     $batch_size = variable_get('feeds_node_batch_size', FEEDS_NODE_BATCH_SIZE);
     if (!$batch->getTotal(FEEDS_PROCESSING)) {
       $batch->setTotal(FEEDS_PROCESSING, count($batch->items));
+      if($this->config['synchronize']) {
+        $batch->processing_started = FEEDS_REQUEST_TIME;
+      }
     }
 
     while ($item = $batch->shiftItem()) {
 
       // Create/update if item does not exist or update existing is enabled.
-      if (!($nid = $this->existingItemId($batch, $source)) || ($this->config['update_existing'] != FEEDS_SKIP_EXISTING)) {
-        // Only proceed if item has actually changed.
+
+      $skip_update = ($nid = $this->existingItemId($batch, $source)) && $this->config['update_existing'] === FEEDS_SKIP_EXISTING;
+      if (!$skip_update || $this->config['synchronize']) {
         $hash = $this->hash($item);
-        if (!empty($nid) && $hash == $this->getHash($nid)) {
-          continue;
+        // Only proceed if item has actually changed.
+        if(!$this->config['synchronize']) {
+          if (!empty($nid) && $hash == $this->getHash($nid)) {
+            continue;
+          }
         }
 
         $node = $this->buildNode($nid, $source->feed_nid);
@@ -47,25 +54,30 @@ class FeedsNodeProcessor extends FeedsProcessor {
         // Map and save node. If errors occur don't stop but report them.
         try {
           $this->map($batch, $node);
-          if ($this->config['authorize']) {
-            if (empty($node->nid)) {
-              $op = 'create';
+          if($skip_update && $this->config['synchronize']) {
+            _feeds_nodeapi_node_processor($node, 'update');
+          }
+          else {
+            if ($this->config['authorize']) {
+              if (empty($node->nid)) {
+                $op = 'create';
+              }
+              else {
+                $op = 'update';
+              }
+              $account = user_load($node->uid);
+              if (!node_access($op, $node, $account)) {
+                throw new Exception('User ' . $account->uid . ' not authorized to ' . $op . ' content type ' . $node->type);
+              }
             }
-            else {
-              $op = 'update';
+            node_save($node);
+            if (!empty($nid)) {
+              $batch->updated++;
             }
-            $account = user_load($node->uid);
-            if (!node_access($op, $node, $account)) {
-              throw new Exception('User ' . $account->uid . ' not authorized to ' . $op . ' content type ' . $node->type);
+            else {
+              $batch->created++;
             }
           }
-          node_save($node);
-          if (!empty($nid)) {
-            $batch->updated++;
-          }
-          else {
-            $batch->created++;
-          }
         }
         catch (Exception $e) {
           drupal_set_message($e->getMessage(), 'warning');
@@ -81,7 +93,22 @@ class FeedsNodeProcessor extends FeedsProcessor {
       }
     }
 
+    if($this->config['synchronize']) {
+      $result = db_query("SELECT nid FROM {feeds_node_item} WHERE id = '%s' AND imported < %d", $this->id, $batch->processing_started);
+      $nids = array();
+      while($nid = db_result($result)) {
+        $nids[] = $nid;
+      }
+      $batch->deleted = count($nids);
+      foreach($nids as $nid) {
+        _feeds_node_delete($nid);
+      }
+    }
+
     // Set messages.
+    if ($batch->deleted) {
+      drupal_set_message(format_plural($batch->created, 'Deleted @number @type node.', 'Deleted @number @type nodes.', array('@number' => $batch->created, '@type' => node_get_types('name', $this->config['content_type']))));
+    }
     if ($batch->created) {
       drupal_set_message(format_plural($batch->created, 'Created @number @type node.', 'Created @number @type nodes.', array('@number' => $batch->created, '@type' => node_get_types('name', $this->config['content_type']))));
     }
@@ -164,6 +191,7 @@ class FeedsNodeProcessor extends FeedsProcessor {
       'mappings' => array(),
       'author' => 0,
       'authorize' => 0,
+      'synchronize' => FALSE,
     );
   }
 
@@ -225,6 +253,15 @@ class FeedsNodeProcessor extends FeedsProcessor {
       ),
       '#default_value' => $this->config['update_existing'],
     );
+    $form['synchronize'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Synchronize nodes'),
+      '#description' => t(
+        'Nodes will be deleted if they can no logner be found in source feed, requires that guid is mapped and set as a "unique target".'
+      ),
+      '#default_value' => $this->config['synchronize'],
+    );
+ 
     return $form;
   }