diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index ee93c33b23..5702c3ae5d 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -98,7 +98,6 @@ set(SOURCES
     DOM/StaticRange.cpp
     DOM/Text.cpp
     DOM/Text.idl
-    DOM/Timer.cpp
     DOMParsing/InnerHTML.cpp
     DOMTreeModel.cpp
     Dump.cpp
@@ -213,6 +212,7 @@ set(SOURCES
     HTML/SyntaxHighlighter/SyntaxHighlighter.cpp
     HTML/TagNames.cpp
     HTML/TextMetrics.cpp
+    HTML/Timer.cpp
     HTML/Window.cpp
     HTML/Worker.cpp
     HTML/WorkerDebugConsoleClient.cpp
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 245a331602..5db7337726 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -119,7 +119,6 @@ class ShadowRoot;
 class StaticNodeList;
 class StaticRange;
 class Text;
-class Timer;
 enum class QuirksMode;
 struct EventListenerOptions;
 struct AddEventListenerOptions;
@@ -234,6 +233,7 @@ class WorkerDebugConsoleClient;
 class Storage;
 class SubmitEvent;
 class TextMetrics;
+class Timer;
 class Window;
 class WindowEnvironmentSettingsObject;
 class Worker;
diff --git a/Userland/Libraries/LibWeb/DOM/Timer.cpp b/Userland/Libraries/LibWeb/HTML/Timer.cpp
similarity index 70%
rename from Userland/Libraries/LibWeb/DOM/Timer.cpp
rename to Userland/Libraries/LibWeb/HTML/Timer.cpp
index e99a96de06..1ea86148f6 100644
--- a/Userland/Libraries/LibWeb/DOM/Timer.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Timer.cpp
@@ -5,17 +5,17 @@
  */
 
 #include <LibCore/Timer.h>
-#include <LibWeb/DOM/Timer.h>
+#include <LibWeb/HTML/Timer.h>
 #include <LibWeb/HTML/Window.h>
 
-namespace Web::DOM {
+namespace Web::HTML {
 
-NonnullRefPtr<Timer> Timer::create(HTML::Window& window, i32 milliseconds, Function<void()> callback, i32 id)
+NonnullRefPtr<Timer> Timer::create(Window& window, i32 milliseconds, Function<void()> callback, i32 id)
 {
     return adopt_ref(*new Timer(window, milliseconds, move(callback), id));
 }
 
-Timer::Timer(HTML::Window& window, i32 milliseconds, Function<void()> callback, i32 id)
+Timer::Timer(Window& window, i32 milliseconds, Function<void()> callback, i32 id)
     : m_window(window)
     , m_id(id)
 {
diff --git a/Userland/Libraries/LibWeb/DOM/Timer.h b/Userland/Libraries/LibWeb/HTML/Timer.h
similarity index 61%
rename from Userland/Libraries/LibWeb/DOM/Timer.h
rename to Userland/Libraries/LibWeb/HTML/Timer.h
index a9fb3a0970..66553028a8 100644
--- a/Userland/Libraries/LibWeb/DOM/Timer.h
+++ b/Userland/Libraries/LibWeb/HTML/Timer.h
@@ -11,20 +11,20 @@
 #include <LibCore/Forward.h>
 #include <LibWeb/Forward.h>
 
-namespace Web::DOM {
+namespace Web::HTML {
 
 class Timer final : public RefCounted<Timer> {
 public:
-    static NonnullRefPtr<Timer> create(HTML::Window& window, i32 milliseconds, Function<void()> callback, i32 id);
+    static NonnullRefPtr<Timer> create(Window& window, i32 milliseconds, Function<void()> callback, i32 id);
     ~Timer();
 
     void start();
 
 private:
-    Timer(HTML::Window& window, i32 milliseconds, Function<void()> callback, i32 id);
+    Timer(Window& window, i32 milliseconds, Function<void()> callback, i32 id);
 
     RefPtr<Core::Timer> m_timer;
-    HTML::Window& m_window;
+    Window& m_window;
     i32 m_id { 0 };
 };
 
diff --git a/Userland/Libraries/LibWeb/HTML/Window.cpp b/Userland/Libraries/LibWeb/HTML/Window.cpp
index cb6dc64a50..d8437d1064 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Window.cpp
@@ -15,7 +15,6 @@
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/DOM/EventDispatcher.h>
-#include <LibWeb/DOM/Timer.h>
 #include <LibWeb/HTML/BrowsingContext.h>
 #include <LibWeb/HTML/EventLoop/EventLoop.h>
 #include <LibWeb/HTML/MessageEvent.h>
@@ -23,6 +22,7 @@
 #include <LibWeb/HTML/Scripting/ClassicScript.h>
 #include <LibWeb/HTML/Scripting/ExceptionReporter.h>
 #include <LibWeb/HTML/Storage.h>
+#include <LibWeb/HTML/Timer.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/HighResolutionTime/Performance.h>
 #include <LibWeb/Layout/InitialContainingBlock.h>
@@ -174,7 +174,7 @@ void Window::clear_interval(i32 id)
     m_timers.remove(id);
 }
 
-void Window::deallocate_timer_id(Badge<DOM::Timer>, i32 id)
+void Window::deallocate_timer_id(Badge<Timer>, i32 id)
 {
     m_timer_id_allocator.deallocate(id);
 }
@@ -262,7 +262,7 @@ i32 Window::run_timer_initialization_steps(Bindings::TimerHandler handler, i32 t
     };
 
     // 13. Run steps after a timeout given global, "setTimeout/setInterval", timeout, completionStep, and id.
-    auto timer = DOM::Timer::create(*this, timeout, move(completion_step), id);
+    auto timer = Timer::create(*this, timeout, move(completion_step), id);
     m_timers.set(id, timer);
     timer->start();
 
diff --git a/Userland/Libraries/LibWeb/HTML/Window.h b/Userland/Libraries/LibWeb/HTML/Window.h
index 4a96829038..f9bca0fa15 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.h
+++ b/Userland/Libraries/LibWeb/HTML/Window.h
@@ -76,7 +76,7 @@ public:
 
     void set_wrapper(Badge<Bindings::WindowObject>, Bindings::WindowObject&);
 
-    void deallocate_timer_id(Badge<DOM::Timer>, i32);
+    void deallocate_timer_id(Badge<Timer>, i32);
 
     HighResolutionTime::Performance& performance() { return *m_performance; }
 
@@ -127,7 +127,7 @@ private:
     WeakPtr<Bindings::WindowObject> m_wrapper;
 
     IDAllocator m_timer_id_allocator;
-    HashMap<int, NonnullRefPtr<DOM::Timer>> m_timers;
+    HashMap<int, NonnullRefPtr<Timer>> m_timers;
 
     NonnullOwnPtr<HighResolutionTime::Performance> m_performance;
     NonnullRefPtr<Crypto::Crypto> m_crypto;