diff --git a/Libraries/LibWeb/HTML/BrowsingContext.cpp b/Libraries/LibWeb/HTML/BrowsingContext.cpp
index 9592f795d1f..5abbbf51257 100644
--- a/Libraries/LibWeb/HTML/BrowsingContext.cpp
+++ b/Libraries/LibWeb/HTML/BrowsingContext.cpp
@@ -9,28 +9,20 @@
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/ElementFactory.h>
 #include <LibWeb/DOM/Event.h>
-#include <LibWeb/DOM/HTMLCollection.h>
 #include <LibWeb/DOM/Range.h>
-#include <LibWeb/DOMURL/DOMURL.h>
 #include <LibWeb/HTML/BrowsingContext.h>
 #include <LibWeb/HTML/BrowsingContextGroup.h>
-#include <LibWeb/HTML/CrossOrigin/OpenerPolicy.h>
-#include <LibWeb/HTML/DocumentState.h>
-#include <LibWeb/HTML/HTMLAnchorElement.h>
 #include <LibWeb/HTML/HTMLDocument.h>
 #include <LibWeb/HTML/HTMLInputElement.h>
-#include <LibWeb/HTML/NavigableContainer.h>
 #include <LibWeb/HTML/SandboxingFlagSet.h>
 #include <LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.h>
 #include <LibWeb/HTML/TraversableNavigable.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/HTML/WindowProxy.h>
 #include <LibWeb/HighResolutionTime/TimeOrigin.h>
-#include <LibWeb/Layout/BreakNode.h>
 #include <LibWeb/Layout/Viewport.h>
 #include <LibWeb/Namespace.h>
 #include <LibWeb/Page/Page.h>
-#include <LibWeb/Painting/Paintable.h>
 
 namespace Web::HTML {
 
@@ -312,7 +304,7 @@ void BrowsingContext::visit_edges(Cell::Visitor& visitor)
 }
 
 // https://html.spec.whatwg.org/multipage/document-sequences.html#bc-traversable
-GC::Ref<HTML::TraversableNavigable> BrowsingContext::top_level_traversable() const
+GC::Ref<TraversableNavigable> BrowsingContext::top_level_traversable() const
 {
     // A browsing context's top-level traversable is its active document's node navigable's top-level traversable.
     auto traversable = active_document()->navigable()->top_level_traversable();
@@ -435,15 +427,6 @@ BrowsingContext const* BrowsingContext::the_one_permitted_sandboxed_navigator()
     return nullptr;
 }
 
-GC::Ptr<BrowsingContext> BrowsingContext::first_child() const
-{
-    return m_first_child;
-}
-GC::Ptr<BrowsingContext> BrowsingContext::next_sibling() const
-{
-    return m_next_sibling;
-}
-
 // https://html.spec.whatwg.org/multipage/document-sequences.html#ancestor-browsing-context
 bool BrowsingContext::is_ancestor_of(BrowsingContext const& potential_descendant) const
 {
diff --git a/Libraries/LibWeb/HTML/BrowsingContext.h b/Libraries/LibWeb/HTML/BrowsingContext.h
index fd027bfaaaf..d0f5bf30256 100644
--- a/Libraries/LibWeb/HTML/BrowsingContext.h
+++ b/Libraries/LibWeb/HTML/BrowsingContext.h
@@ -6,24 +6,13 @@
 
 #pragma once
 
-#include <AK/Function.h>
 #include <AK/Noncopyable.h>
-#include <AK/RefPtr.h>
-#include <AK/WeakPtr.h>
-#include <LibGfx/Bitmap.h>
-#include <LibGfx/Rect.h>
-#include <LibGfx/Size.h>
-#include <LibJS/Forward.h>
 #include <LibJS/Heap/Cell.h>
 #include <LibURL/Origin.h>
-#include <LibWeb/HTML/ActivateTab.h>
 #include <LibWeb/HTML/NavigableContainer.h>
 #include <LibWeb/HTML/SandboxingFlagSet.h>
 #include <LibWeb/HTML/SessionHistoryEntry.h>
 #include <LibWeb/HTML/TokenizedFeatures.h>
-#include <LibWeb/HTML/VisibilityState.h>
-#include <LibWeb/Platform/Timer.h>
-#include <LibWeb/TreeNode.h>
 
 namespace Web::HTML {
 
@@ -42,58 +31,11 @@ public:
 
     virtual ~BrowsingContext() override;
 
-    GC::Ref<HTML::TraversableNavigable> top_level_traversable() const;
-
-    GC::Ptr<BrowsingContext> first_child() const;
-    GC::Ptr<BrowsingContext> next_sibling() const;
+    GC::Ref<TraversableNavigable> top_level_traversable() const;
 
     bool is_ancestor_of(BrowsingContext const&) const;
     bool is_familiar_with(BrowsingContext const&) const;
 
-    template<typename Callback>
-    TraversalDecision for_each_in_inclusive_subtree(Callback callback) const
-    {
-        if (callback(*this) == TraversalDecision::Break)
-            return TraversalDecision::Break;
-        for (auto child = first_child(); child; child = child->next_sibling()) {
-            if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
-                return TraversalDecision::Break;
-        }
-        return TraversalDecision::Continue;
-    }
-
-    template<typename Callback>
-    TraversalDecision for_each_in_inclusive_subtree(Callback callback)
-    {
-        if (callback(*this) == TraversalDecision::Break)
-            return TraversalDecision::Break;
-        for (auto child = first_child(); child; child = child->next_sibling()) {
-            if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
-                return TraversalDecision::Break;
-        }
-        return TraversalDecision::Continue;
-    }
-
-    template<typename Callback>
-    TraversalDecision for_each_in_subtree(Callback callback) const
-    {
-        for (auto child = first_child(); child; child = child->next_sibling()) {
-            if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
-                return TraversalDecision::Break;
-        }
-        return TraversalDecision::Continue;
-    }
-
-    template<typename Callback>
-    TraversalDecision for_each_in_subtree(Callback callback)
-    {
-        for (auto child = first_child(); child; child = child->next_sibling()) {
-            if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
-                return TraversalDecision::Break;
-        }
-        return TraversalDecision::Continue;
-    }
-
     bool is_top_level() const;
     bool is_auxiliary() const { return m_is_auxiliary; }
 
@@ -147,7 +89,7 @@ private:
     GC::Ref<Page> m_page;
 
     // https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context
-    GC::Ptr<HTML::WindowProxy> m_window_proxy;
+    GC::Ptr<WindowProxy> m_window_proxy;
 
     // https://html.spec.whatwg.org/multipage/browsers.html#opener-browsing-context
     GC::Ptr<BrowsingContext> m_opener_browsing_context;
diff --git a/Libraries/LibWeb/XHR/XMLHttpRequest.cpp b/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
index cdf536d06d3..e28aba712ad 100644
--- a/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
+++ b/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
@@ -47,6 +47,7 @@
 #include <LibWeb/Loader/ResourceLoader.h>
 #include <LibWeb/Page/Page.h>
 #include <LibWeb/Platform/EventLoopPlugin.h>
+#include <LibWeb/Platform/Timer.h>
 #include <LibWeb/WebIDL/DOMException.h>
 #include <LibWeb/WebIDL/ExceptionOr.h>
 #include <LibWeb/XHR/EventNames.h>
diff --git a/Services/WebContent/ConnectionFromClient.cpp b/Services/WebContent/ConnectionFromClient.cpp
index 0bd32fa6bdd..4a9db43f0d0 100644
--- a/Services/WebContent/ConnectionFromClient.cpp
+++ b/Services/WebContent/ConnectionFromClient.cpp
@@ -439,14 +439,11 @@ void ConnectionFromClient::inspect_dom_node(u64 page_id, Web::UniqueNodeID const
     if (!page.has_value())
         return;
 
-    auto& top_context = page->page().top_level_browsing_context();
-
-    top_context.for_each_in_inclusive_subtree([&](auto& ctx) {
-        if (ctx.active_document() != nullptr) {
-            ctx.active_document()->set_inspected_node(nullptr, {});
+    for (auto& navigable : Web::HTML::all_navigables()) {
+        if (navigable->active_document() != nullptr) {
+            navigable->active_document()->set_inspected_node(nullptr, {});
         }
-        return Web::TraversalDecision::Continue;
-    });
+    }
 
     auto* node = Web::DOM::Node::from_unique_id(node_id);
     // Note: Nodes without layout (aka non-visible nodes, don't have style computed)