diff --git a/data/data_80F59C8.s b/data/data_80F59C8.s
index 5a7191cc..4bc061a0 100644
--- a/data/data_80F59C8.s
+++ b/data/data_80F59C8.s
@@ -522,14 +522,14 @@ gUnknown_80F69A8: @ 80F69A8
 .byte 0x69, 0x72, 0x30, 0x00, 0x70, 0x6b, 0x73, 0x64, 0x69, 0x72, 0x30, 0x00, 0x70, 0x6b, 0x73, 0x64
 .byte 0x69, 0x72, 0x30, 0x00, 0x70, 0x6b, 0x73, 0x64, 0x69, 0x72, 0x30, 0x00
 
-.global gUnknown_80F69D4
-gUnknown_80F69D4: @ 80F69D4
+.global gOtherOobTile
+gOtherOobTile: @ 80F69D4
 @ replacing .incbin "baserom.gba", 0xF69D4, 0x18
 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 
-.global gUnknown_80F69EC
-gUnknown_80F69EC: @ 80F69EC
+.global gWaterOobTile
+gWaterOobTile: @ 80F69EC
 @ replacing .incbin "baserom.gba", 0xF69EC, 0x18
 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
diff --git a/include/dungeon_map_access.h b/include/dungeon_map_access.h
index 5defb802..3fe6c492 100644
--- a/include/dungeon_map_access.h
+++ b/include/dungeon_map_access.h
@@ -3,11 +3,6 @@
 
 #include "structs/map.h"
 
-typedef struct unkStruct_202F190
-{
-    Tile *unk0[6];
-} unkStruct_202F190;
-
 const Tile *GetTile(s32 x, s32 y);
 Tile *GetTileMut(s32 x, s32 y);
 
diff --git a/src/dungeon_map_access.c b/src/dungeon_map_access.c
index 37a903e8..c5d82dde 100644
--- a/src/dungeon_map_access.c
+++ b/src/dungeon_map_access.c
@@ -16,8 +16,8 @@
 #include "game_options.h"
 #include "dungeon_visibility.h"
 
-extern const unkStruct_202F190 gUnknown_80F69D4;
-extern const unkStruct_202F190 gUnknown_80F69EC;
+extern const Tile gOtherOobTile;
+extern const Tile gWaterOobTile;
 extern u8 gUnknown_80F6A04[];
 extern u8 gUnknown_80F6A10[];
 extern u8 gUnknown_80F6A28[];
@@ -32,9 +32,9 @@ extern const s16 gUnknown_80F6C06[];
 EWRAM_DATA OpenedFile *gDungeonPaletteFile = {0};
 EWRAM_DATA unkStruct_202EE8C gUnknown_202EE8C[32] = {0};
 EWRAM_DATA OpenedFile *gUnknown_202F18C = {0};
-EWRAM_DATA unkStruct_202F190 gOutOfBoundsTileData = {0};
+EWRAM_DATA Tile gOutOfBoundsTileData = {0};
 
-EWRAM_DATA_2 const unkStruct_202F190 *gUnknown_203B430 = {0};
+EWRAM_DATA_2 const Tile *gCurTilesetOobTile = {0};
 
 extern u8 sub_8043CE4(u32);
 extern void sub_80402AC(s32, s32);
@@ -48,15 +48,15 @@ const Tile *GetTile(s32 x, s32 y)
     {
         return gDungeon->tilePointers[y][x];
     }
-    return (Tile *) gUnknown_203B430->unk0;
+    return gCurTilesetOobTile;
 }
 
 Tile *GetTileMut(s32 x, s32 y)
 {
     if (x < 0 || y < 0 || x >= DUNGEON_MAX_SIZE_X || y >= DUNGEON_MAX_SIZE_Y)
     {
-        Tile *tile = (Tile *) gOutOfBoundsTileData.unk0;
-        gOutOfBoundsTileData = *gUnknown_203B430;
+        Tile *tile = &gOutOfBoundsTileData;
+        gOutOfBoundsTileData = *gCurTilesetOobTile;
         return tile;
     }
     return gDungeon->tilePointers[y][x];
@@ -139,10 +139,10 @@ void sub_8049820(void)
 void sub_8049840(void)
 {
   if (sub_8043CE4(gDungeon->tileset) != 0) {
-    gUnknown_203B430 = &gUnknown_80F69EC;
+    gCurTilesetOobTile = &gWaterOobTile;
   }
   else {
-    gUnknown_203B430 = &gUnknown_80F69D4;
+    gCurTilesetOobTile = &gOtherOobTile;
   }
 }