diff --git a/src/Collection.php b/src/Collection.php
index 0a59b4c..72116b5 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -3,6 +3,12 @@ namespace MadLisp;
 
 abstract class Collection
 {
+    public static function new(array $data = []): self
+    {
+        // late static binding
+        return new static($data);
+    }
+
     protected array $data = [];
 
     public function __construct(array $data = [])
diff --git a/src/Seq.php b/src/Seq.php
index 1b4ee41..bc04873 100644
--- a/src/Seq.php
+++ b/src/Seq.php
@@ -3,9 +3,5 @@ namespace MadLisp;
 
 abstract class Seq extends Collection
 {
-    public static function new(array $data = []): self
-    {
-        // late static binding
-        return new static($data);
-    }
+
 }