diff --git a/lib/Doctrine/MongoDB/Query/Expr.php b/lib/Doctrine/MongoDB/Query/Expr.php
index ab6beaf1..d98bb99f 100644
--- a/lib/Doctrine/MongoDB/Query/Expr.php
+++ b/lib/Doctrine/MongoDB/Query/Expr.php
@@ -93,7 +93,7 @@ public function field($field)
         return $this;
     }
 
-    public function equals($value, array $options = array())
+    public function equals($value)
     {
         if ($this->currentField) {
             $this->query[$this->currentField] = $value;