diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index d783433cf99..cd638ac93f6 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -74,6 +74,16 @@
 
 namespace Web::DOM {
 
+NonnullRefPtr<Document> Document::create_with_global_object(Bindings::WindowObject&)
+{
+    return Document::create();
+}
+
+NonnullRefPtr<Document> Document::create(AK::URL const& url)
+{
+    return adopt_ref(*new Document(url));
+}
+
 Document::Document(const AK::URL& url)
     : ParentNode(*this, NodeType::DOCUMENT_NODE)
     , m_style_computer(make<CSS::StyleComputer>(*this))
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h
index 21a87925dc4..51409d8dabc 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.h
+++ b/Userland/Libraries/LibWeb/DOM/Document.h
@@ -51,15 +51,8 @@ public:
         HTML
     };
 
-    static NonnullRefPtr<Document> create(const AK::URL& url = "about:blank"sv)
-    {
-        return adopt_ref(*new Document(url));
-    }
-    static NonnullRefPtr<Document> create_with_global_object(Bindings::WindowObject&)
-    {
-        return Document::create();
-    }
-
+    static NonnullRefPtr<Document> create(AK::URL const& url = "about:blank"sv);
+    static NonnullRefPtr<Document> create_with_global_object(Bindings::WindowObject&);
     virtual ~Document() override;
 
     size_t next_layout_node_serial_id(Badge<Layout::Node>) { return m_next_layout_node_serial_id++; }