@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_ABOUT_SCREEN
-#define QGBA_ABOUT_SCREEN
+#pragma once
 
 #include <QDialog>
 
@@ -23,5 +22,3 @@ Ui::AboutScreen m_ui;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_ARCHIVE_INSPECTOR
-#define QGBA_ARCHIVE_INSPECTOR
+#pragma once
 
 #include "ui_ArchiveInspector.h"
 
@@ -26,5 +25,3 @@ Ui::ArchiveInspector m_ui;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_ASSET_TILE
-#define QGBA_ASSET_TILE
+#pragma once
 
 #include "ui_AssetTile.h"
 
@@ -44,5 +43,3 @@ int m_boundaryBase;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_ASSET_VIEW
-#define QGBA_ASSET_VIEW
+#pragma once
 
 #include <QTimer>
 #include <QWidget>
@@ -48,5 +47,3 @@ QTimer m_updateTimer;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_AUDIO_DEVICE
-#define QGBA_AUDIO_DEVICE
+#pragma once
 
 #include <QAudioFormat>
 #include <QIODevice>
@@ -31,5 +30,3 @@ mCoreThread* m_context;
 };
 
 }
-
-#endif

@@ -3,8 +3,8 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_AUDIO_PROCESSOR
-#define QGBA_AUDIO_PROCESSOR
+#pragma once
+
 #include <QObject>
 
 #include <memory>
@@ -59,5 +59,3 @@ static Driver s_driver;
 };
 
 }
-
-#endif

@@ -3,8 +3,8 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_AUDIO_PROCESSOR_QT
-#define QGBA_AUDIO_PROCESSOR_QT
+#pragma once
+
 #include "AudioProcessor.h"
 
 class QAudioOutput;
@@ -39,5 +39,3 @@ unsigned m_sampleRate = 44100;
 };
 
 }
-
-#endif

@@ -3,8 +3,8 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_AUDIO_PROCESSOR_SDL
-#define QGBA_AUDIO_PROCESSOR_SDL
+#pragma once
+
 #include "AudioProcessor.h"
 
 #ifdef BUILD_SDL
@@ -39,5 +39,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_CHEATS_MODEL
-#define QGBA_CHEATS_MODEL
+#pragma once
 
 #include <QAbstractItemModel>
 #include <QFont>
@@ -51,5 +50,3 @@ QFont m_font;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_CHEATS_VIEW
-#define QGBA_CHEATS_VIEW
+#pragma once
 
 #include <QWidget>
 
@@ -44,5 +43,3 @@ CheatsModel m_model;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_COLOR_PICKER
-#define QGBA_COLOR_PICKER
+#pragma once
 
 #include <QObject>
 
@@ -33,5 +32,3 @@ QWidget* m_parent = nullptr;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_CONFIG_CONTROLLER
-#define QGBA_CONFIG_CONTROLLER
+#pragma once
 
 #include "Override.h"
 
@@ -110,5 +109,3 @@ static QString s_configDir;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_CORE_CONTROLLER
-#define QGBA_CORE_CONTROLLER
+#pragma once
 
 #include <QByteArray>
 #include <QList>
@@ -216,5 +215,3 @@ #endif
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_CORE_MANAGER
-#define QGBA_CORE_MANAGER
+#pragma once
 
 #include <QFileInfo>
 #include <QObject>
@@ -41,5 +40,3 @@ bool m_preload = false;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DEBUGGER_CONSOLE
-#define QGBA_DEBUGGER_CONSOLE
+#pragma once
 
 #include "ui_DebuggerConsole.h"
 
@@ -29,5 +28,3 @@ DebuggerConsoleController* m_consoleController;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DEBUGGER_CONSOLE_CONTROLLER
-#define QGBA_DEBUGGER_CONSOLE_CONTROLLER
+#pragma once
 
 #include "DebuggerController.h"
 
@@ -59,5 +58,3 @@ } m_backend;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DEBUGGER_CONTROLLER
-#define QGBA_DEBUGGER_CONTROLLER
+#pragma once
 
 #include <QObject>
 
@@ -44,5 +43,3 @@ QMetaObject::Connection m_autoattach;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DISPLAY
-#define QGBA_DISPLAY
+#pragma once
 
 #include <mgba-util/common.h>
 
@@ -85,5 +84,3 @@ QTimer m_mouseTimer;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DISPLAY_GL
-#define QGBA_DISPLAY_GL
+#pragma once
 
 #if defined(BUILD_GL) || defined(BUILD_GLES)
 
@@ -130,5 +129,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_DISPLAY_QT
-#define QGBA_DISPLAY_QT
+#pragma once
 
 #include "Display.h"
 
@@ -48,5 +47,3 @@ std::shared_ptr<CoreController> m_context = nullptr;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_APP_H
-#define QGBA_APP_H
+#pragma once
 
 #include <QApplication>
 #include <QFileDialog>
@@ -83,5 +82,3 @@ #endif
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GBA_KEY_EDITOR
-#define QGBA_GBA_KEY_EDITOR
+#pragma once
 
 #include <QList>
 #include <QPicture>
@@ -92,5 +91,3 @@ QPicture m_background;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GBA_OVERRIDE
-#define QGBA_GBA_OVERRIDE
+#pragma once
 
 #include "Override.h"
 
@@ -22,5 +21,3 @@ struct GBACartridgeOverride override;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GB_OVERRIDE
-#define QGBA_GB_OVERRIDE
+#pragma once
 
 #include "Override.h"
 
@@ -22,5 +21,3 @@ struct GBCartridgeOverride override;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GDB_CONTROLLER
-#define QGBA_GDB_CONTROLLER
+#pragma once
 
 #include "DebuggerController.h"
 
@@ -47,5 +46,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GDB_WINDOW
-#define QGBA_GDB_WINDOW
+#pragma once
 
 #include <QDialog>
 
@@ -40,5 +39,3 @@ QPushButton* m_breakButton;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GIF_VIEW
-#define QGBA_GIF_VIEW
+#pragma once
 
 #ifdef USE_MAGICK
 
@@ -55,5 +54,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GAMEPAD_AXIS_EVENT
-#define QGBA_GAMEPAD_AXIS_EVENT
+#pragma once
 
 #include <QEvent>
 
@@ -42,5 +41,3 @@ GBAKey m_key;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GAMEPAD_BUTTON_EVENT
-#define QGBA_GAMEPAD_BUTTON_EVENT
+#pragma once
 
 #include <QEvent>
 
@@ -34,5 +33,3 @@ GBAKey m_key;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GAMEPAD_HAT_EVENT
-#define QGBA_GAMEPAD_HAT_EVENT
+#pragma once
 
 #include <QEvent>
 
@@ -44,5 +43,3 @@ GBAKey m_key;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_IOVIEWER
-#define QGBA_IOVIEWER
+#pragma once
 
 #include <QDialog>
 #include <QList>
@@ -71,5 +70,3 @@ std::shared_ptr<CoreController> m_controller;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_INPUT_CONTROLLER_H
-#define QGBA_INPUT_CONTROLLER_H
+#pragma once
 
 #include "GamepadAxisEvent.h"
 #include "GamepadHatEvent.h"
@@ -179,5 +178,3 @@ QSet<GBAKey> m_pendingEvents;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_INPUT_PROFILE
-#define QGBA_INPUT_PROFILE
+#pragma once
 
 #include "GamepadAxisEvent.h"
 
@@ -94,5 +93,3 @@ float m_gyroSensitivity;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_KEY_EDITOR
-#define QGBA_KEY_EDITOR
+#pragma once
 
 #include "GamepadAxisEvent.h"
 #include "GamepadHatEvent.h"
@@ -64,5 +63,3 @@ QTimer m_lastKey;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LOAD_SAVE_STATE
-#define QGBA_LOAD_SAVE_STATE
+#pragma once
 
 #include <QWidget>
 
@@ -57,5 +56,3 @@ QPixmap m_currentImage;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LOG_CONTROLLER
-#define QGBA_LOG_CONTROLLER
+#pragma once
 
 #include "GBAApp.h"
 
@@ -66,5 +65,3 @@
 #define LOG(C, L) (*LogController::global())(mLOG_ ## L, _mLOG_CAT_ ## C ())
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LOG_VIEW
-#define QGBA_LOG_VIEW
+#pragma once
 
 #include <QQueue>
 #include <QWidget>
@@ -50,5 +49,3 @@ void clearLine();
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_MEMORY_MODEL
-#define QGBA_MEMORY_MODEL
+#pragma once
 
 #include <QAbstractScrollArea>
 #include <QFont>
@@ -99,5 +98,3 @@ int m_currentBank;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_MEMORY_SEARCH
-#define QGBA_MEMORY_SEARCH
+#pragma once
 
 #include <memory>
 
@@ -45,5 +44,3 @@ QByteArray m_string;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_MEMORY_VIEW
-#define QGBA_MEMORY_VIEW
+#pragma once
 
 #include "MemoryModel.h"
 
@@ -38,5 +37,3 @@ QPair<uint32_t, uint32_t> m_selection;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_MESSAGE_PAINTER
-#define QGBA_MESSAGE_PAINTER
+#pragma once
 
 #include <QMutex>
 #include <QObject>
@@ -43,5 +42,3 @@ qreal m_scaleFactor = 1;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_MULTIPLAYER_CONTROLLER
-#define QGBA_MULTIPLAYER_CONTROLLER
+#pragma once
 
 #include <QMutex>
 #include <QList>
@@ -64,4 +63,3 @@ QMutex m_lock;
 };
 
 }
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_OBJ_VIEW
-#define QGBA_OBJ_VIEW
+#pragma once
 
 #include "AssetView.h"
 
@@ -60,5 +59,3 @@ int m_tileOffset;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_OVERRIDE
-#define QGBA_OVERRIDE
+#pragma once
 
 struct Configuration;
 struct mCore;
@@ -21,5 +20,3 @@ virtual void save(struct Configuration*) const = 0;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_OVERRIDE_VIEW
-#define QGBA_OVERRIDE_VIEW
+#pragma once
 
 #include <QDialog>
 
@@ -59,5 +58,3 @@ #endif
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_PALETTE_VIEW
-#define QGBA_PALETTE_VIEW
+#pragma once
 
 #include <QWidget>
 
@@ -40,5 +39,3 @@ std::shared_ptr<CoreController> m_controller;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_PRINTER_VIEW
-#define QGBA_PRINTER_VIEW
+#pragma once
 
 #include <QDialog>
 #include <QPixmap>
@@ -46,5 +45,3 @@ std::shared_ptr<CoreController> m_controller;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_ROM_INFO
-#define QGBA_ROM_INFO
+#pragma once
 
 #include <QWidget>
 
@@ -27,5 +26,3 @@ Ui::ROMInfo m_ui;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SAVESTATE_BUTTON
-#define QGBA_SAVESTATE_BUTTON
+#pragma once
 
 #include <QAbstractButton>
 
@@ -19,5 +18,3 @@ virtual void paintEvent(QPaintEvent*) override;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SENSOR_VIEW
-#define QGBA_SENSOR_VIEW
+#pragma once
 
 #include <QTimer>
 #include <QDialog>
@@ -53,5 +52,3 @@ void jiggerer(QAbstractButton*, void (InputController::*)(int));
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SETTINGS_VIEW
-#define QGBA_SETTINGS_VIEW
+#pragma once
 
 #include <QDialog>
 
@@ -79,5 +78,3 @@ QString loadSetting(const char* key);
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SHADER_SELECTOR_H
-#define QGBA_SHADER_SELECTOR_H
+#pragma once
 
 #if defined(BUILD_GL) || defined(BUILD_GLES)
 
@@ -58,5 +57,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SHORTCUT_MODEL
-#define QGBA_SHORTCUT_MODEL
+#pragma once
 
 #include "GamepadAxisEvent.h"
 
@@ -144,5 +143,3 @@ const InputProfile* m_profile = nullptr;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SHORTCUT_VIEW
-#define QGBA_SHORTCUT_VIEW
+#pragma once
 
 #include "GamepadAxisEvent.h"
 
@@ -45,5 +44,3 @@ InputController* m_input = nullptr;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_SWATCH
-#define QGBA_SWATCH
+#pragma once
 
 #include <QColor>
 #include <QWidget>
@@ -41,5 +40,3 @@ void updateFill(int index);
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_TILE_PAINTER
-#define QGBA_TILE_PAINTER
+#pragma once
 
 #include <QColor>
 #include <QWidget>
@@ -38,5 +37,3 @@ int m_tileCount;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_TILE_VIEW
-#define QGBA_TILE_VIEW
+#pragma once
 
 #include "AssetView.h"
 
@@ -41,5 +40,3 @@ int m_paletteId = 0;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_VFILE_DEVICE
-#define QGBA_VFILE_DEVICE
+#pragma once
 
 #include <QFileDevice>
 
@@ -41,5 +40,3 @@ VFile* m_vf;
 };
 
 }
-
-#endif

@@ -3,8 +3,8 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_VIDEO_DUMPER
-#define QGBA_VIDEO_DUMPER
+#pragma once
+
 #include <QAbstractVideoSurface>
 
 namespace QGBA {
@@ -23,5 +23,3 @@ void imageAvailable(const QImage& image);
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_VIDEO_VIEW
-#define QGBA_VIDEO_VIEW
+#pragma once
 
 #ifdef USE_FFMPEG
 
@@ -117,5 +116,3 @@
 }
 
 #endif
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_WINDOW
-#define QGBA_WINDOW
+#pragma once
 
 #include <QDateTime>
 #include <QList>
@@ -245,5 +244,3 @@ bool m_lockIntegerScaling;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LIBRARY_CONTROLLER
-#define QGBA_LIBRARY_CONTROLLER
+#pragma once
 
 #include <memory>
 
@@ -125,5 +124,3 @@ LibraryTree* m_libraryTree = nullptr;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LIBRARY_GRID
-#define QGBA_LIBRARY_GRID
+#pragma once
 
 #include <QListWidget>
 
@@ -46,5 +45,3 @@ LibraryStyle m_currentStyle;
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_LIBRARY_TREE
-#define QGBA_LIBRARY_TREE
+#pragma once
 
 #include <QTreeWidget>
 
@@ -53,5 +52,3 @@ void resizeAllCols();
 };
 
 }
-
-#endif

@@ -3,8 +3,7 @@ *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_UTILS_H
-#define QGBA_UTILS_H
+#pragma once
 
 #include <mgba/core/core.h>
 
@@ -16,5 +15,3 @@ QString niceSizeFormat(size_t filesize);
 QString nicePlatformFormat(mPlatform platform);
 
 }
-
-#endif