diff --git a/src/xenia/emulator.cc b/src/xenia/emulator.cc
index 52acd61f2..b961146cb 100644
--- a/src/xenia/emulator.cc
+++ b/src/xenia/emulator.cc
@@ -127,7 +127,7 @@ X_STATUS Emulator::Setup(ui::Window* display_window) {
   });
 
   // Initialize the HID.
-  input_system_ = xe::hid::InputSystem::Create(this);
+  input_system_ = xe::hid::InputSystem::Create(display_window_);
   if (!input_system_) {
     return X_STATUS_NOT_IMPLEMENTED;
   }
diff --git a/src/xenia/hid/input_system.cc b/src/xenia/hid/input_system.cc
index e6772e7ef..16b3e3513 100644
--- a/src/xenia/hid/input_system.cc
+++ b/src/xenia/hid/input_system.cc
@@ -9,8 +9,6 @@
 
 #include "xenia/hid/input_system.h"
 
-#include "xenia/cpu/processor.h"
-#include "xenia/emulator.h"
 #include "xenia/hid/hid_flags.h"
 #include "xenia/hid/input_driver.h"
 #include "xenia/profiling.h"
@@ -19,13 +17,13 @@
 #if XE_PLATFORM_WIN32
 #include "xenia/hid/winkey/winkey_hid.h"
 #include "xenia/hid/xinput/xinput_hid.h"
-#endif  // WIN32
+#endif  // XE_PLATFORM_WIN32
 
 namespace xe {
 namespace hid {
 
-std::unique_ptr<InputSystem> InputSystem::Create(Emulator* emulator) {
-  auto input_system = std::make_unique<InputSystem>(emulator);
+std::unique_ptr<InputSystem> InputSystem::Create(xe::ui::Window* window) {
+  std::unique_ptr<InputSystem> input_system(new InputSystem(window));
 
   if (FLAGS_hid.compare("nop") == 0) {
     input_system->AddDriver(xe::hid::nop::Create(input_system.get()));
@@ -63,16 +61,11 @@ std::unique_ptr<InputSystem> InputSystem::Create(Emulator* emulator) {
   return input_system;
 }
 
-InputSystem::InputSystem(Emulator* emulator)
-    : emulator_(emulator), memory_(emulator->memory()) {}
+InputSystem::InputSystem(xe::ui::Window* window) : window_(window) {}
 
 InputSystem::~InputSystem() = default;
 
-X_STATUS InputSystem::Setup() {
-  processor_ = emulator_->processor();
-
-  return X_STATUS_SUCCESS;
-}
+X_STATUS InputSystem::Setup() { return X_STATUS_SUCCESS; }
 
 void InputSystem::AddDriver(std::unique_ptr<InputDriver> driver) {
   drivers_.push_back(std::move(driver));
diff --git a/src/xenia/hid/input_system.h b/src/xenia/hid/input_system.h
index 987b6f847..adcefcf85 100644
--- a/src/xenia/hid/input_system.h
+++ b/src/xenia/hid/input_system.h
@@ -13,13 +13,13 @@
 #include <memory>
 #include <vector>
 
-#include "xenia/cpu/processor.h"
 #include "xenia/hid/input.h"
-#include "xenia/memory.h"
 #include "xenia/xbox.h"
 
 namespace xe {
-class Emulator;
+namespace ui {
+class Window;
+}  // namespace ui
 }  // namespace xe
 
 namespace xe {
@@ -29,14 +29,11 @@ class InputDriver;
 
 class InputSystem {
  public:
-  explicit InputSystem(Emulator* emulator);
   ~InputSystem();
 
-  static std::unique_ptr<InputSystem> Create(Emulator* emulator);
+  static std::unique_ptr<InputSystem> Create(xe::ui::Window* window);
 
-  Emulator* emulator() const { return emulator_; }
-  Memory* memory() const { return memory_; }
-  cpu::Processor* processor() const { return processor_; }
+  xe::ui::Window* window() const { return window_; }
 
   X_STATUS Setup();
 
@@ -50,9 +47,9 @@ class InputSystem {
                         X_INPUT_KEYSTROKE* out_keystroke);
 
  private:
-  Emulator* emulator_ = nullptr;
-  Memory* memory_ = nullptr;
-  cpu::Processor* processor_ = nullptr;
+  explicit InputSystem(xe::ui::Window* window);
+
+  xe::ui::Window* window_ = nullptr;
 
   std::vector<std::unique_ptr<InputDriver>> drivers_;
 };
diff --git a/src/xenia/hid/winkey/premake5.lua b/src/xenia/hid/winkey/premake5.lua
index 44736b50d..6c7c77e72 100644
--- a/src/xenia/hid/winkey/premake5.lua
+++ b/src/xenia/hid/winkey/premake5.lua
@@ -9,6 +9,7 @@ project("xenia-hid-winkey")
   links({
     "xenia-base",
     "xenia-hid",
+    "xenia-ui",
   })
   defines({
   })
diff --git a/src/xenia/hid/winkey/winkey_input_driver.cc b/src/xenia/hid/winkey/winkey_input_driver.cc
index ae58e3df7..aff500486 100644
--- a/src/xenia/hid/winkey/winkey_input_driver.cc
+++ b/src/xenia/hid/winkey/winkey_input_driver.cc
@@ -22,28 +22,26 @@ namespace winkey {
 WinKeyInputDriver::WinKeyInputDriver(InputSystem* input_system)
     : InputDriver(input_system), packet_number_(1) {
   // Register a key listener.
-  input_system_->emulator()->display_window()->on_key_down.AddListener(
-      [this](ui::KeyEvent* evt) {
-        auto global_lock = global_critical_region_.Acquire();
+  input_system_->window()->on_key_down.AddListener([this](ui::KeyEvent* evt) {
+    auto global_lock = global_critical_region_.Acquire();
 
-        KeyEvent key;
-        key.vkey = evt->key_code();
-        key.transition = true;
-        key.prev_state = evt->prev_state();
-        key.repeat_count = evt->repeat_count();
-        key_events_.push(key);
-      });
-  input_system_->emulator()->display_window()->on_key_up.AddListener(
-      [this](ui::KeyEvent* evt) {
-        auto global_lock = global_critical_region_.Acquire();
+    KeyEvent key;
+    key.vkey = evt->key_code();
+    key.transition = true;
+    key.prev_state = evt->prev_state();
+    key.repeat_count = evt->repeat_count();
+    key_events_.push(key);
+  });
+  input_system_->window()->on_key_up.AddListener([this](ui::KeyEvent* evt) {
+    auto global_lock = global_critical_region_.Acquire();
 
-        KeyEvent key;
-        key.vkey = evt->key_code();
-        key.transition = false;
-        key.prev_state = evt->prev_state();
-        key.repeat_count = evt->repeat_count();
-        key_events_.push(key);
-      });
+    KeyEvent key;
+    key.vkey = evt->key_code();
+    key.transition = false;
+    key.prev_state = evt->prev_state();
+    key.repeat_count = evt->repeat_count();
+    key_events_.push(key);
+  });
 }
 
 WinKeyInputDriver::~WinKeyInputDriver() = default;
@@ -91,7 +89,7 @@ X_RESULT WinKeyInputDriver::GetState(uint32_t user_index,
   int16_t thumb_rx = 0;
   int16_t thumb_ry = 0;
 
-  if (input_system_->emulator()->display_window()->has_focus()) {
+  if (input_system_->window()->has_focus()) {
     if (IS_KEY_TOGGLED(VK_CAPITAL)) {
       // dpad toggled
       if (IS_KEY_DOWN(0x41)) {