diff --git a/Userland/Libraries/LibWeb/HTML/Window.cpp b/Userland/Libraries/LibWeb/HTML/Window.cpp
index fb40af8e9d..7be0802bf7 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Window.cpp
@@ -1093,7 +1093,6 @@ WebIDL::ExceptionOr<void> Window::initialize_web_interfaces(Badge<WindowEnvironm
     // FIXME: These should be native accessors, not properties
     define_native_accessor(realm, "top", top_getter, nullptr, JS::Attribute::Enumerable);
     define_native_accessor(realm, "parent", parent_getter, {}, JS::Attribute::Enumerable);
-    define_native_accessor(realm, "document", document_getter, {}, JS::Attribute::Enumerable);
     define_native_accessor(realm, "frameElement", frame_element_getter, {}, JS::Attribute::Enumerable);
     define_native_accessor(realm, "name", name_getter, name_setter, JS::Attribute::Enumerable);
     define_native_accessor(realm, "history", history_getter, {}, JS::Attribute::Enumerable);
@@ -1215,6 +1214,13 @@ JS::NonnullGCPtr<WindowProxy> Window::self() const
     return verify_cast<WindowProxy>(relevant_realm(*this).global_environment().global_this_value());
 }
 
+// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-document-2
+JS::NonnullGCPtr<DOM::Document const> Window::document() const
+{
+    // The document getter steps are to return this's associated Document.
+    return associated_document();
+}
+
 // https://html.spec.whatwg.org/multipage/window-object.html#dom-frames
 JS::NonnullGCPtr<WindowProxy> Window::frames() const
 {
@@ -1551,12 +1557,6 @@ JS_DEFINE_NATIVE_FUNCTION(Window::parent_getter)
     return parent;
 }
 
-JS_DEFINE_NATIVE_FUNCTION(Window::document_getter)
-{
-    auto* impl = TRY(impl_from(vm));
-    return &impl->associated_document();
-}
-
 // https://html.spec.whatwg.org/multipage/browsers.html#dom-frameelement
 JS_DEFINE_NATIVE_FUNCTION(Window::frame_element_getter)
 {
diff --git a/Userland/Libraries/LibWeb/HTML/Window.h b/Userland/Libraries/LibWeb/HTML/Window.h
index 189c4abb79..35a81d036f 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.h
+++ b/Userland/Libraries/LibWeb/HTML/Window.h
@@ -142,6 +142,7 @@ public:
     // JS API functions
     JS::NonnullGCPtr<WindowProxy> window() const;
     JS::NonnullGCPtr<WindowProxy> self() const;
+    JS::NonnullGCPtr<DOM::Document const> document() const;
 
     JS::NonnullGCPtr<WindowProxy> frames() const;
 
@@ -221,8 +222,6 @@ private:
     JS_DECLARE_NATIVE_FUNCTION(length_getter);
     JS_DECLARE_NATIVE_FUNCTION(top_getter);
 
-    JS_DECLARE_NATIVE_FUNCTION(document_getter);
-
     JS_DECLARE_NATIVE_FUNCTION(frame_element_getter);
 
     JS_DECLARE_NATIVE_FUNCTION(location_getter);
diff --git a/Userland/Libraries/LibWeb/HTML/Window.idl b/Userland/Libraries/LibWeb/HTML/Window.idl
index f70ff80cd1..981837c0b0 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.idl
+++ b/Userland/Libraries/LibWeb/HTML/Window.idl
@@ -1,3 +1,4 @@
+#import <DOM/Document.idl>
 #import <DOM/EventHandler.idl>
 #import <DOM/EventTarget.idl>
 #import <HTML/Navigator.idl>
@@ -8,6 +9,7 @@ interface Window : EventTarget {
     // the current browsing context
     [LegacyUnforgeable] readonly attribute WindowProxy window;
     [Replaceable] readonly attribute WindowProxy self;
+    [LegacyUnforgeable] readonly attribute Document document;
 
     // other browsing contexts
     [Replaceable] readonly attribute WindowProxy frames;