diff --git a/src/openrct2/ride/TrackDesign.cpp b/src/openrct2/ride/TrackDesign.cpp
index f44b72501e..4a6655993f 100644
--- a/src/openrct2/ride/TrackDesign.cpp
+++ b/src/openrct2/ride/TrackDesign.cpp
@@ -66,18 +66,6 @@
 using namespace OpenRCT2;
 using namespace OpenRCT2::Drawing;
 
-struct map_backup
-{
-    TileElement tile_elements[MAX_TILE_ELEMENTS];
-    TileElement* tile_pointers[MAX_TILE_TILE_ELEMENT_POINTERS];
-    TileElement* next_free_tile_element;
-    uint16_t map_size_units;
-    uint16_t map_size_units_minus_2;
-    uint16_t map_size;
-    uint8_t current_rotation;
-};
-
-TrackDesign* gActiveTrackDesign;
 bool gTrackDesignSceneryToggle;
 static CoordsXYZ _trackPreviewMin;
 static CoordsXYZ _trackPreviewMax;
diff --git a/src/openrct2/ride/TrackDesign.h b/src/openrct2/ride/TrackDesign.h
index 1f5c069c15..68587c8c34 100644
--- a/src/openrct2/ride/TrackDesign.h
+++ b/src/openrct2/ride/TrackDesign.h
@@ -192,7 +192,6 @@ enum
     MAZE_ELEMENT_TYPE_EXIT = (1 << 7)
 };
 
-extern TrackDesign* gActiveTrackDesign;
 extern bool gTrackDesignSceneryToggle;
 
 extern bool _trackDesignDrawingPreview;