diff --git a/salsa_api.inc b/salsa_api.inc
index 30e4da8..82ea310 100644
--- a/salsa_api.inc
+++ b/salsa_api.inc
@@ -84,14 +84,23 @@ class SalsaAPI implements SalsaAPIInterface {
         $query[] = 'key=' . $key;
       }
 
-      $xml = simplexml_load_string($this->query('/delete', implode('&', $query)));
-
-      if (!$xml) {
-        throw new SalsaQueryException("Unable to retrieve response.");
-      }
-      else {
-        return $xml;
-      }
+      $this->query('/delete', implode('&', $query));
+
+      /* @todo Implement parsing of query results.
+       *
+       * This is not possible right now because salsa API returns an invalid
+       * response for supporter, donation and probably for some other objects.
+       * In case of an invalid response, simplexml_load_string() function
+       * throws Exception.
+       *
+       * $xml = simplexml_load_string($result);
+       * if (!$xml) {
+       *    throw new SalsaQueryException("Unable to retrieve response.");
+       * }
+       * else {
+       *    return $xml;
+       * }
+       */
     }
     else {
       throw new SalsaQueryException("The keys missing.");