diff --git a/src/game.c b/src/game.c
index ba97ac54..0582b3d0 100644
--- a/src/game.c
+++ b/src/game.c
@@ -2105,10 +2105,10 @@ void sub_08053CC8(void) {
 void sub_08053D34(void) {
     if (gMenu.field_0xa != 0) {
         gMenu.field_0xa = 0;
-        if (CheckLocalFlagByBank(0x680, 0x3d)) {
+        if (CheckLocalFlagByBank(FLAG_BANK_7, 0x3d)) {
             SetTileType(0x74, 0xc4, 1);
         }
-        if (CheckLocalFlagByBank(0x680, 0x3e)) {
+        if (CheckLocalFlagByBank(FLAG_BANK_7, 0x3e)) {
             SetTileType(0x74, 0xcc, 1);
         }
     }
diff --git a/src/manager/manager27.c b/src/manager/manager27.c
index 69801aa7..05f2ea7a 100644
--- a/src/manager/manager27.c
+++ b/src/manager/manager27.c
@@ -19,7 +19,7 @@ const u8 gUnk_08108D20[] = { 0x6F, 0x70, 0x71, 0x72, 0x71, 0x70 };
 void Manager27_Main(Entity* this) {
 
     gUnk_08108D10[this->action](this);
-    if (CheckLocalFlagByBank(0x300, this->type + 0x67)) {
+    if (CheckLocalFlagByBank(FLAG_BANK_3, this->type + 0x67)) {
         gRoomTransition.armos_data.field_0xac |= (1 << this->type);
     } else {
         gRoomTransition.armos_data.field_0xac &= ~(1 << this->type);
@@ -76,5 +76,5 @@ void sub_0805C908(Entity* this) {
 }
 
 u32 sub_0805C920(Entity* this) {
-    return CheckLocalFlagByBank(0x300, this->type + 0x67);
+    return CheckLocalFlagByBank(FLAG_BANK_3, this->type + 0x67);
 }
diff --git a/src/manager/managerF.c b/src/manager/managerF.c
index cadb648c..50c01ac7 100644
--- a/src/manager/managerF.c
+++ b/src/manager/managerF.c
@@ -407,7 +407,7 @@ void sub_080594DC(ManagerF* this) {
         case 1:
             if (!GetInventoryValue(ITEM_FOURSWORD))
                 return;
-            if (CheckLocalFlagByBank(0x8c0, 0x85))
+            if (CheckLocalFlagByBank(FLAG_BANK_10, 0x85))
                 return;
             this->manager.action = 2;
             sub_080186C0(0xB0F);
diff --git a/src/object/object6A.c b/src/object/object6A.c
index 8ff73b6f..5fbeef59 100644
--- a/src/object/object6A.c
+++ b/src/object/object6A.c
@@ -1178,9 +1178,9 @@ void sub_08095F38(Object6AEntity* this) {
 
 void sub_08096028(Object6AEntity* this) {
     u32 type2 = 6;
-    if (!CheckLocalFlagByBank(768, 123))
+    if (!CheckLocalFlagByBank(FLAG_BANK_3, 123))
         type2 = 4;
-    if (!CheckLocalFlagByBank(768, 122))
+    if (!CheckLocalFlagByBank(FLAG_BANK_3, 122))
         type2 = 3;
     CreateObject(OBJECT_6A, 0x1F, type2);
 }
diff --git a/src/object/objectBlockingStairs.c b/src/object/objectBlockingStairs.c
index b1274661..9101022c 100644
--- a/src/object/objectBlockingStairs.c
+++ b/src/object/objectBlockingStairs.c
@@ -283,8 +283,8 @@ typedef struct {
 } struct_gUnk_08122898;
 
 const struct_gUnk_08122898 gUnk_08122898[] = {
-    { 0x200, 0xa1, 0xa2 },
-    { 0x8c0, 0x6f, 0x70 },
+    { FLAG_BANK_2, 0xa1, 0xa2 },
+    { FLAG_BANK_10, 0x6f, 0x70 },
 };
 
 u32 sub_080932D8(u32 param_1) {
diff --git a/src/roomInit.c b/src/roomInit.c
index d48595ed..70f73293 100644
--- a/src/roomInit.c
+++ b/src/roomInit.c
@@ -1785,7 +1785,7 @@ extern EntityData gUnk_080DC4C0;
 void sub_StateChange_MinishVillage_Main(void) {
     if (!GetInventoryValue(ITEM_JABBERNUT)) {
         LoadRoomEntityList(&gUnk_080DC390);
-        if (!CheckLocalFlagByBank(0x200, 0x80)) {
+        if (!CheckLocalFlagByBank(FLAG_BANK_2, 0x80)) {
             LoadRoomEntityList(&gUnk_080DC3F0);
         }
     } else {
@@ -5410,7 +5410,7 @@ extern EntityData gUnk_080F5788;
 
 void sub_StateChange_HouseInteriors3_StockwellShop(void) {
     LoadRoomEntityList(&gUnk_080F5758);
-    if (!GetInventoryValue(ITEM_QST_DOGFOOD) && CheckLocalFlagByBank(0x200, 0x8f)) {
+    if (!GetInventoryValue(ITEM_QST_DOGFOOD) && CheckLocalFlagByBank(FLAG_BANK_2, 0x8f)) {
         LoadRoomEntityList(&gUnk_080F57E8);
     }
     if (!CheckLocalFlag(0x55)) {
@@ -5495,11 +5495,7 @@ u32 sub_unk3_HouseInteriors3_FigurineHouse(void) {
 extern EntityData gUnk_080F5E68;
 
 void sub_StateChange_HouseInteriors3_FigurineHouse(void) {
-#if defined(JP) || defined(EU) || defined(DEMO_JP)
-    if (!CheckLocalFlagByBank(0x100, 0xce)) {
-#else
-    if (!CheckLocalFlagByBank(0x100, 0xd1)) {
-#endif
+    if (!CheckLocalFlagByBank(FLAG_BANK_1, SHOP05_OPEN)) {
         LoadRoomEntityList(&gUnk_080F5E68);
     }
 }
@@ -5538,11 +5534,7 @@ void sub_StateChange_HouseInteriors3_Borlov(void) {
 }
 
 u32 sub_unk3_WindTribeTower_Entrance(void) {
-#if defined(JP) || defined(EU) || defined(DEMO_JP)
-    if (CheckGlobalFlag(KUMOTATSUMAKI) && CheckLocalFlagByBank(0x100, 0xd9)) {
-#else
-    if (CheckGlobalFlag(KUMOTATSUMAKI) && CheckLocalFlagByBank(0x100, 0xdc)) {
-#endif
+    if (CheckGlobalFlag(KUMOTATSUMAKI) && CheckLocalFlagByBank(FLAG_BANK_1, KUMOUE_00_CAP_0)) {
         SetGlobalFlag(WARP_EVENT_END);
     }
     return 1;
@@ -5551,11 +5543,7 @@ u32 sub_unk3_WindTribeTower_Entrance(void) {
 extern EntityData gUnk_080F61BC;
 
 void sub_StateChange_WindTribeTower_Entrance(void) {
-#if defined(JP) || defined(EU) || defined(DEMO_JP)
-    if (CheckLocalFlagByBank(0x100, 0xd9)) {
-#else
-    if (CheckLocalFlagByBank(0x100, 0xdc)) {
-#endif
+    if (CheckLocalFlagByBank(FLAG_BANK_1, KUMOUE_00_CAP_0)) {
         SetLocalFlag(0x90);
     }
     if (CheckKinstoneFused(0xf)) {
@@ -5615,7 +5603,7 @@ extern EntityData gUnk_080F66AC;
 
 void sub_StateChange_WindTribeTowerRoof_Main(void) {
     sub_0805B4D0(5);
-    if (CheckGlobalFlag(LV5_CLEAR) && !CheckLocalFlagByBank(0x100, 5)) {
+    if (CheckGlobalFlag(LV5_CLEAR) && !CheckLocalFlagByBank(FLAG_BANK_1, 5)) {
         LoadRoomEntityList(&gUnk_080F66AC);
     }
     SetWorldMapPos(8, 0, 0x1e8, 0x158);
@@ -5800,7 +5788,7 @@ extern EntityData gUnk_080F78A0;
 void sub_StateChange_HyruleField_LonLonRanch(void) {
 
     Manager18_Main(0);
-    if (CheckLocalFlagByBank(0x200, 0x8f)) {
+    if (CheckLocalFlagByBank(FLAG_BANK_2, 0x8f)) {
         if (!CheckGlobalFlag(INLOCK)) {
             LoadRoomEntityList(&gUnk_080F77C0);
         }
@@ -6067,7 +6055,7 @@ extern EntityData gUnk_080F8430;
 
 void sub_StateChange_HyruleField_WesternWoodsCenter(void) {
     Manager18_Main(NULL);
-    if (CheckKinstoneFused(0x21) && !CheckLocalFlagByBank(0x200, 0x42)) {
+    if (CheckKinstoneFused(0x21) && !CheckLocalFlagByBank(FLAG_BANK_2, 0x42)) {
         LoadRoomEntityList(&gUnk_080F8430);
     }
 }
diff --git a/src/subtask.c b/src/subtask.c
index 03d36828..6ee32e04 100644
--- a/src/subtask.c
+++ b/src/subtask.c
@@ -272,7 +272,7 @@ void sub_08054FAC(void) {
     gUpdateVisibleTiles = 1;
     SetFade(FADE_INSTANT, 0x10);
     gMenu.field_0xa = 0;
-    if (CheckLocalFlagByBank(0x400, 0x77) && (ptr[2] == 0x2f)) {
+    if (CheckLocalFlagByBank(FLAG_BANK_4, 0x77) && (ptr[2] == 0x2f)) {
         gMenu.field_0xa = 1;
     }
 }
diff --git a/src/subtask2.c b/src/subtask2.c
index 1de50305..1c85db96 100644
--- a/src/subtask2.c
+++ b/src/subtask2.c
@@ -765,7 +765,7 @@ void sub_080A5D1C(void) {
 
 bool32 sub_080A5F24(void) {
     bool32 result = TRUE;
-    if ((gArea.dungeon_idx == 6) && CheckLocalFlagByBank(0x8c0, 0x7b)) {
+    if ((gArea.dungeon_idx == 6) && CheckLocalFlagByBank(FLAG_BANK_10, 0x7b)) {
         result = 0;
     }
     return result;