diff --git a/source/tools/atlas/AtlasUI/ActorEditor/ActorEditor.h b/source/tools/atlas/AtlasUI/ActorEditor/ActorEditor.h
index 269a257e46..60a047b0f6 100644
--- a/source/tools/atlas/AtlasUI/ActorEditor/ActorEditor.h
+++ b/source/tools/atlas/AtlasUI/ActorEditor/ActorEditor.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -18,7 +18,6 @@
 #include "tools/atlas/AtlasObject/AtlasObject.h"
 #include "tools/atlas/AtlasUI/CustomControls/Windows/AtlasWindow.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class ActorEditorListCtrl;
diff --git a/source/tools/atlas/AtlasUI/ActorEditor/ActorEditorListCtrl.cpp b/source/tools/atlas/AtlasUI/ActorEditor/ActorEditorListCtrl.cpp
index a2b4c8d2e0..31aad3f8ab 100644
--- a/source/tools/atlas/AtlasUI/ActorEditor/ActorEditorListCtrl.cpp
+++ b/source/tools/atlas/AtlasUI/ActorEditor/ActorEditorListCtrl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -31,7 +31,6 @@
 #include <vector>
 #include <wx/chartype.h>
 #include <wx/colour.h>
-#include <wx/defs.h>
 #include <wx/toolbar.h>
 #include <wx/translation.h>
 
diff --git a/source/tools/atlas/AtlasUI/ActorEditor/AnimListEditor.cpp b/source/tools/atlas/AtlasUI/ActorEditor/AnimListEditor.cpp
index e70718a013..fb8d22f253 100644
--- a/source/tools/atlas/AtlasUI/ActorEditor/AnimListEditor.cpp
+++ b/source/tools/atlas/AtlasUI/ActorEditor/AnimListEditor.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@
 #include <cstddef>
 #include <vector>
 #include <wx/chartype.h>
-#include <wx/defs.h>
 #include <wx/gdicmn.h>
 #include <wx/listctrl.h>
 #include <wx/panel.h>
diff --git a/source/tools/atlas/AtlasUI/ActorEditor/PropListEditor.cpp b/source/tools/atlas/AtlasUI/ActorEditor/PropListEditor.cpp
index 877c9c4763..b3c0833f86 100644
--- a/source/tools/atlas/AtlasUI/ActorEditor/PropListEditor.cpp
+++ b/source/tools/atlas/AtlasUI/ActorEditor/PropListEditor.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@
 #include <cstddef>
 #include <vector>
 #include <wx/chartype.h>
-#include <wx/defs.h>
 #include <wx/gdicmn.h>
 #include <wx/listctrl.h>
 #include <wx/panel.h>
diff --git a/source/tools/atlas/AtlasUI/ActorEditor/TexListEditor.cpp b/source/tools/atlas/AtlasUI/ActorEditor/TexListEditor.cpp
index 8a8ca58cc4..919094c377 100644
--- a/source/tools/atlas/AtlasUI/ActorEditor/TexListEditor.cpp
+++ b/source/tools/atlas/AtlasUI/ActorEditor/TexListEditor.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. is free software: you can redistribute it and/or modify
@@ -26,7 +26,6 @@
 #include <cstddef>
 #include <vector>
 #include <wx/chartype.h>
-#include <wx/defs.h>
 #include <wx/gdicmn.h>
 #include <wx/listctrl.h>
 #include <wx/panel.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/Buttons/ActionButton.h b/source/tools/atlas/AtlasUI/CustomControls/Buttons/ActionButton.h
index a6d161f6f0..129bda949f 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/Buttons/ActionButton.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/Buttons/ActionButton.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -16,7 +16,6 @@
  */
 
 #include <wx/button.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/toolbar.h>
 
diff --git a/source/tools/atlas/AtlasUI/CustomControls/Buttons/ToolButton.h b/source/tools/atlas/AtlasUI/CustomControls/Buttons/ToolButton.h
index 7c62948d57..181554a970 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/Buttons/ToolButton.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/Buttons/ToolButton.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -17,7 +17,6 @@
 
 #include <map>
 #include <wx/button.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/string.h>
 #include <wx/toolbar.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/Canvas/Canvas.h b/source/tools/atlas/AtlasUI/CustomControls/Canvas/Canvas.h
index 1ad7d30ad1..14be1cb9ea 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/Canvas/Canvas.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/Canvas/Canvas.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -15,7 +15,6 @@
  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/glcanvas.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/ColorDialog/ColorDialog.cpp b/source/tools/atlas/AtlasUI/CustomControls/ColorDialog/ColorDialog.cpp
index b567ae274b..e88942507f 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/ColorDialog/ColorDialog.cpp
+++ b/source/tools/atlas/AtlasUI/CustomControls/ColorDialog/ColorDialog.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -22,7 +22,6 @@
 #include <wx/chartype.h>
 #include <wx/colourdata.h>
 #include <wx/config.h>
-#include <wx/defs.h>
 #include <wx/regex.h>
 
 class wxWindow;
diff --git a/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrl.h b/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrl.h
index 512486a4ca..943f3bb23a 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrl.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@
 
 #include "tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrl.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/listctrl.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrlCommands.h b/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrlCommands.h
index 73b5c80433..dc05380aa4 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrlCommands.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/DraggableListCtrl/DraggableListCtrlCommands.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -19,7 +19,6 @@
 #include "tools/atlas/AtlasUI/General/AtlasWindowCommand.h"
 
 #include <vector>
-#include <wx/defs.h>
 #include <wx/object.h>
 
 class DraggableListCtrl;
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrl.h b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrl.h
index 5a1b7bda6d..545b9bb1eb 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrl.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -21,7 +21,6 @@
 #include "tools/atlas/AtlasUI/General/IAtlasSerialiser.h"
 
 #include <vector>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/listctrl.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrlCommands.h b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrlCommands.h
index 2d3f11c914..3e52efccf5 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrlCommands.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/EditableListCtrlCommands.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -19,7 +19,6 @@
 #include "tools/atlas/AtlasUI/General/AtlasWindowCommand.h"
 
 #include <vector>
-#include <wx/defs.h>
 #include <wx/object.h>
 #include <wx/string.h>
 
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/FieldEditCtrl.cpp b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/FieldEditCtrl.cpp
index 5571619c07..c0c378c2ae 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/FieldEditCtrl.cpp
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/FieldEditCtrl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -35,7 +35,6 @@
 #include <wx/colordlg.h>
 #include <wx/colour.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/filename.h>
 #include <wx/regex.h>
 #include <wx/window.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/ListCtrlValidator.cpp b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/ListCtrlValidator.cpp
index 6fc6a282f6..9ccf30e60c 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/ListCtrlValidator.cpp
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/ListCtrlValidator.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 
 #include <cstddef>
 #include <wx/combobox.h>
-#include <wx/defs.h>
 #include <wx/log.h>
 #include <wx/object.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickComboBox.h b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickComboBox.h
index 393e0343bb..91b68ad2c8 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickComboBox.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickComboBox.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -16,7 +16,6 @@
  */
 
 #include <wx/combobox.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/validate.h>
 
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickFileCtrl.h b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickFileCtrl.h
index 24ae4532a0..68456148b3 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickFileCtrl.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickFileCtrl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -15,7 +15,6 @@
  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <wx/defs.h>
 #include <wx/object.h>
 #include <wx/panel.h>
 #include <wx/validate.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickTextCtrl.h b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickTextCtrl.h
index 23c0eb667f..01ca641db7 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickTextCtrl.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/EditableListCtrl/QuickTextCtrl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -15,7 +15,6 @@
  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/textctrl.h>
 #include <wx/validate.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/MapDialog/MapDialog.h b/source/tools/atlas/AtlasUI/CustomControls/MapDialog/MapDialog.h
index b167368073..3e28f870da 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/MapDialog/MapDialog.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/MapDialog/MapDialog.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -18,7 +18,6 @@
 #ifndef INCLUDED_MAPDIALOG
 #define INCLUDED_MAPDIALOG
 
-#include <wx/defs.h>
 #include <wx/dialog.h>
 #include <wx/event.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/MapResizeDialog.h b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/MapResizeDialog.h
index 7560095ced..f1032ea01c 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/MapResizeDialog.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/MapResizeDialog.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. is free software: you can redistribute it and/or modify
@@ -18,7 +18,6 @@
 #ifndef INCLUDED_MAPRESIZEDIALOG
 #define INCLUDED_MAPRESIZEDIALOG
 
-#include <wx/defs.h>
 #include <wx/dialog.h>
 #include <wx/event.h>
 
diff --git a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.cpp b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.cpp
index 73a63a56e0..a37c022361 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.cpp
+++ b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -31,7 +31,6 @@
 #include <wx/colour.h>
 #include <wx/dcbuffer.h>
 #include <wx/dcgraph.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/graphics.h>
 #include <wx/mousestate.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.h b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.h
index 920a67ae16..e63de78872 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/MapResizeDialog/PseudoMiniMapPanel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -21,7 +21,6 @@
 
 #include <map>
 #include <wx/bitmap.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/image.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/SnapSplitterWindow/SnapSplitterWindow.h b/source/tools/atlas/AtlasUI/CustomControls/SnapSplitterWindow/SnapSplitterWindow.h
index 47e7824f0b..3d40e7dc90 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/SnapSplitterWindow/SnapSplitterWindow.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/SnapSplitterWindow/SnapSplitterWindow.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -15,7 +15,6 @@
  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/splitter.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/VirtualDirTreeCtrl/virtualdirtreectrl.h b/source/tools/atlas/AtlasUI/CustomControls/VirtualDirTreeCtrl/virtualdirtreectrl.h
index 0c8785e959..54e9d752c8 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/VirtualDirTreeCtrl/virtualdirtreectrl.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/VirtualDirTreeCtrl/virtualdirtreectrl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -26,7 +26,6 @@
 #include <wx/arrstr.h>
 #include <wx/chartype.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/dynarray.h>
 #include <wx/event.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasDialog.h b/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasDialog.h
index 9062edf5d5..eceb2a55b6 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasDialog.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasDialog.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -21,7 +21,6 @@
 #include "tools/atlas/AtlasUI/General/AtlasWindowCommandProc.h"
 #include "tools/atlas/AtlasUI/General/IAtlasSerialiser.h"
 
-#include <wx/defs.h>
 #include <wx/dialog.h>
 #include <wx/event.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasWindow.h b/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasWindow.h
index fd3285f6eb..dd0cafa46a 100644
--- a/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasWindow.h
+++ b/source/tools/atlas/AtlasUI/CustomControls/Windows/AtlasWindow.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -24,7 +24,6 @@
 
 #include <boost/function.hpp>
 #include <boost/signals2/signal.hpp>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/filename.h>
 #include <wx/frame.h>
diff --git a/source/tools/atlas/AtlasUI/General/AtlasWindowCommand.h b/source/tools/atlas/AtlasUI/General/AtlasWindowCommand.h
index f6b3eb4a3a..971499c082 100644
--- a/source/tools/atlas/AtlasUI/General/AtlasWindowCommand.h
+++ b/source/tools/atlas/AtlasUI/General/AtlasWindowCommand.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -22,7 +22,6 @@
 
 #include <wx/chartype.h>
 #include <wx/cmdproc.h>
-#include <wx/defs.h>
 #include <wx/object.h>
 #include <wx/string.h>
 
diff --git a/source/tools/atlas/AtlasUI/Misc/DLLInterface.cpp b/source/tools/atlas/AtlasUI/Misc/DLLInterface.cpp
index 6bafc34c3b..122de4694c 100644
--- a/source/tools/atlas/AtlasUI/Misc/DLLInterface.cpp
+++ b/source/tools/atlas/AtlasUI/Misc/DLLInterface.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -34,7 +34,6 @@
 #include <wx/cmdargs.h>
 #include <wx/config.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/file.h>
 #include <wx/fileconf.h>
 #include <wx/filename.h>
diff --git a/source/tools/atlas/AtlasUI/Misc/KeyMap.cpp b/source/tools/atlas/AtlasUI/Misc/KeyMap.cpp
index 33225c8564..f5e2c69a2c 100644
--- a/source/tools/atlas/AtlasUI/Misc/KeyMap.cpp
+++ b/source/tools/atlas/AtlasUI/Misc/KeyMap.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -20,7 +20,7 @@
 #include "KeyMap.h"
 
 #include <SDL_keycode.h>
-#include <wx/defs.h>
+#include <wx/event.h>
 
 int GetSDLKeyFromWxKeyCode(int wxkey)
 {
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/ScenarioEditor.h b/source/tools/atlas/AtlasUI/ScenarioEditor/ScenarioEditor.h
index e3132da702..b7a66c9cf2 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/ScenarioEditor.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/ScenarioEditor.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -28,7 +28,6 @@
 
 #include <map>
 #include <vector>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/frame.h>
 #include <wx/icon.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/SectionLayout.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/SectionLayout.cpp
index 41992a21cc..cd0ae4e967 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/SectionLayout.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/SectionLayout.cpp
@@ -37,7 +37,6 @@
 #include <wx/bmpbuttn.h>
 #include <wx/chartype.h>
 #include <wx/colour.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/filename.h>
 #include <wx/gdicmn.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Cinema/Cinema.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Cinema/Cinema.h
index dfd2c2c6c8..59ae48dc20 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Cinema/Cinema.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Cinema/Cinema.h
@@ -17,7 +17,6 @@
 
 #include "tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class ScenarioEditor;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.cpp
index fecf54c559..0c1804bf84 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -20,7 +20,6 @@
 #include "Sidebar.h"
 
 #include <cstddef>
-#include <wx/defs.h>
 #include <wx/sizer.h>
 #include <wx/window.h>
 
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/Environment.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/Environment.h
index d494e68320..00b5058a04 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/Environment.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/Environment.h
@@ -18,7 +18,6 @@
 #include "tools/atlas/AtlasUI/General/Observable.h"
 #include "tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class ScenarioEditor;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/LightControl.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/LightControl.cpp
index e6addd3522..cc8bc88b2f 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/LightControl.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Environment/LightControl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -29,7 +29,6 @@
 #include <wx/bitmap.h>
 #include <wx/control.h>
 #include <wx/dcclient.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/image.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Map/Map.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Map/Map.h
index 7ac01bd72f..9a8acca1b6 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Map/Map.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Map/Map.h
@@ -17,7 +17,6 @@
 
 #include "tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class MapSettingsControl;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/Object.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/Object.h
index b25a6e3fe7..a634bf9691 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/Object.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/Object.h
@@ -17,7 +17,6 @@
 
 #include "tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class ITool;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/VariationControl.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/VariationControl.cpp
index 8329ad9772..fde60bb438 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/VariationControl.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Object/VariationControl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -28,7 +28,6 @@
 #include <wx/arrstr.h>
 #include <wx/combobox.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Player/Player.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Player/Player.h
index ef0debd847..e874a0303b 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Player/Player.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Player/Player.h
@@ -19,7 +19,6 @@
 #include "tools/atlas/GameInterface/SharedMemory.h"
 
 #include <cstdlib>
-#include <wx/defs.h>
 #include <wx/dynarray.h>
 #include <wx/event.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Terrain/Terrain.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Terrain/Terrain.h
index 5b8254cfce..a06a2f60f5 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Terrain/Terrain.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Sections/Terrain/Terrain.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -17,7 +17,6 @@
 
 #include "tools/atlas/AtlasUI/ScenarioEditor/Sections/Common/Sidebar.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 
 class ScenarioEditor;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ActorViewerTool.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ActorViewerTool.cpp
index 85cd79fc52..279838132b 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ActorViewerTool.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ActorViewerTool.cpp
@@ -31,7 +31,6 @@
 #include <list>
 #include <numbers>
 #include <vector>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/mousestate.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/AlterElevation.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/AlterElevation.cpp
index a20b1d8358..d7fad2f1f2 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/AlterElevation.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/AlterElevation.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 #include "tools/atlas/GameInterface/Messages.h"
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Brushes.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Brushes.cpp
index 63358c3c74..96a91f9ead 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Brushes.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Brushes.cpp
@@ -27,7 +27,6 @@
 #include <wx/arrstr.h>
 #include <wx/chartype.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/radiobox.h>
 #include <wx/sizer.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Tools.h b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Tools.h
index 25d92df774..2eed1f9e47 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Tools.h
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Tools.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -23,7 +23,6 @@
 
 #include <cstddef>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/object.h>
 
 class ScenarioEditor;
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FillTerrain.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FillTerrain.cpp
index 8ff15a9c14..4f4a704de4 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FillTerrain.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FillTerrain.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
 #include <string>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/object.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FlattenElevation.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FlattenElevation.cpp
index 439e95c65e..bd228a0e8a 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FlattenElevation.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FlattenElevation.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 #include "tools/atlas/GameInterface/Messages.h"
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PaintTerrain.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PaintTerrain.cpp
index 02ce5cad2e..1e0181ef3b 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PaintTerrain.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PaintTerrain.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -30,7 +30,6 @@
 
 #include <list>
 #include <string>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PickWaterHeight.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PickWaterHeight.cpp
index 9e3912cbfb..f1654990ce 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PickWaterHeight.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PickWaterHeight.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -24,7 +24,6 @@
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/object.h>
 
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PikeElevation.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PikeElevation.cpp
index 486b102679..1557e72df7 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PikeElevation.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PikeElevation.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 #include "tools/atlas/GameInterface/Messages.h"
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PlaceObject.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PlaceObject.cpp
index 108d288fba..066188b041 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PlaceObject.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/PlaceObject.cpp
@@ -33,7 +33,6 @@
 #include <string>
 #include <wx/chartype.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/object.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ReplaceTerrain.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ReplaceTerrain.cpp
index b10b572788..b3a92c633a 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ReplaceTerrain.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/ReplaceTerrain.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
 #include <string>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/object.h>
 #include <wx/string.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/SmoothElevation.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/SmoothElevation.cpp
index b2ed8fadbe..cdf247af14 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/SmoothElevation.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/SmoothElevation.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 #include "tools/atlas/GameInterface/Messages.h"
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformObject.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformObject.cpp
index 1324fb65df..028b110c6b 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformObject.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformObject.cpp
@@ -38,7 +38,6 @@
 #include <wx/clipbrd.h>
 #include <wx/dataobj.h>
 #include <wx/debug.h>
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>
diff --git a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformPath.cpp b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformPath.cpp
index fdf757b6c0..523d1dd345 100644
--- a/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformPath.cpp
+++ b/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/TransformPath.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2025 Wildfire Games.
+/* Copyright (C) 2026 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -25,7 +25,6 @@
 #include "tools/atlas/GameInterface/Shareable.h"
 #include "tools/atlas/GameInterface/SharedTypes.h"
 
-#include <wx/defs.h>
 #include <wx/event.h>
 #include <wx/gdicmn.h>
 #include <wx/object.h>