diff --git a/rwgame/DrawUI.hpp b/rwgame/DrawUI.hpp
index 74f38af5..38f113f2 100644
--- a/rwgame/DrawUI.hpp
+++ b/rwgame/DrawUI.hpp
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef _RWGAME_DRAWUI_HPP_
+#define _RWGAME_DRAWUI_HPP_
 #include <engine/GameWorld.hpp>
 #include <render/GameRenderer.hpp>
 
@@ -8,3 +9,5 @@ void drawHUD(ViewCamera& currentView, PlayerController* player,
              GameWorld* world, GameRenderer* render);
 
 void drawOnScreenText(GameWorld* world, GameRenderer* renderer);
+
+#endif
diff --git a/rwviewer/ViewerWindow.cpp b/rwviewer/ViewerWindow.cpp
index 92f230a6..8f17d632 100644
--- a/rwviewer/ViewerWindow.cpp
+++ b/rwviewer/ViewerWindow.cpp
@@ -167,7 +167,7 @@ void ViewerWindow::loadGame(const QString& path) {
 }
 
 void ViewerWindow::showObjectModel(uint16_t) {
-#pragma message("implement me")
+    RW_MESSAGE("showObjectModel unimplemented");  // FIXME: unimplemented
 }
 
 void ViewerWindow::updateRecentGames() {
diff --git a/rwviewer/models/AnimationListModel.hpp b/rwviewer/models/AnimationListModel.hpp
index 81323400..e4c7f96a 100644
--- a/rwviewer/models/AnimationListModel.hpp
+++ b/rwviewer/models/AnimationListModel.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _ANIMATIONLISTMODEL_HPP_
 #define _ANIMATIONLISTMODEL_HPP_
 #include <QAbstractItemModel>
diff --git a/rwviewer/models/DFFFramesTreeModel.hpp b/rwviewer/models/DFFFramesTreeModel.hpp
index 3e764024..2237d43b 100644
--- a/rwviewer/models/DFFFramesTreeModel.hpp
+++ b/rwviewer/models/DFFFramesTreeModel.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _DFFFRAMESTREEMODEL_HPP_
 #define _DFFFRAMESTREEMODEL_HPP_
 #include <QAbstractItemModel>
diff --git a/rwviewer/models/IMGArchiveModel.hpp b/rwviewer/models/IMGArchiveModel.hpp
index ed885dec..350f9068 100644
--- a/rwviewer/models/IMGArchiveModel.hpp
+++ b/rwviewer/models/IMGArchiveModel.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _IMGARCHIVEMODEL_HPP_
 #define _IMGARCHIVEMODEL_HPP_
 #include <QAbstractItemModel>
diff --git a/rwviewer/views/ModelViewer.hpp b/rwviewer/views/ModelViewer.hpp
index 02acc42c..dc926c8d 100644
--- a/rwviewer/views/ModelViewer.hpp
+++ b/rwviewer/views/ModelViewer.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _MODELVIEWER_HPP_
 #define _MODELVIEWER_HPP_
 #include <engine/GameData.hpp>
diff --git a/rwviewer/widgets/AnimationListWidget.hpp b/rwviewer/widgets/AnimationListWidget.hpp
index c0e4dd02..9546398b 100644
--- a/rwviewer/widgets/AnimationListWidget.hpp
+++ b/rwviewer/widgets/AnimationListWidget.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _ANIMATIONLISTWIDGET_HPP_
 #define _ANIMATIONLISTWIDGET_HPP_
 #include <QDockWidget>
diff --git a/rwviewer/widgets/ItemListWidget.hpp b/rwviewer/widgets/ItemListWidget.hpp
index c6d959f2..a522649f 100644
--- a/rwviewer/widgets/ItemListWidget.hpp
+++ b/rwviewer/widgets/ItemListWidget.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _ITEMLISTWIDGET_HPP_
 #define _ITEMLISTWIDGET_HPP_
 #include <QDockWidget>
diff --git a/rwviewer/widgets/ModelFramesWidget.hpp b/rwviewer/widgets/ModelFramesWidget.hpp
index 53bb0783..1f9487fb 100644
--- a/rwviewer/widgets/ModelFramesWidget.hpp
+++ b/rwviewer/widgets/ModelFramesWidget.hpp
@@ -1,4 +1,3 @@
-#pragma once
 #ifndef _MODELFRAMESWIDGET_HPP_
 #define _MODELFRAMESWIDGET_HPP_
 #include <QDockWidget>