diff --git a/include/battle.h b/include/battle.h
index 2cda45f364..2be3e3758d 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -798,7 +798,6 @@ extern u8 gAbsentBattlerFlags;
 extern u8 gIsCriticalHit;
 extern u8 gMultiHitCounter;
 extern const u8 *gBattlescriptCurrInstr;
-extern u32 gUnusedBattleMainVar;
 extern u8 gChosenActionByBattler[MAX_BATTLERS_COUNT];
 extern const u8 *gSelectionBattleScripts[MAX_BATTLERS_COUNT];
 extern const u8 *gPalaceSelectionBattleScripts[MAX_BATTLERS_COUNT];
diff --git a/src/battle_main.c b/src/battle_main.c
index d7c47ea78f..438c680dbc 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -188,7 +188,6 @@ EWRAM_DATA u8 gAbsentBattlerFlags = 0;
 EWRAM_DATA u8 gIsCriticalHit = FALSE;
 EWRAM_DATA u8 gMultiHitCounter = 0;
 EWRAM_DATA const u8 *gBattlescriptCurrInstr = NULL;
-EWRAM_DATA u32 gUnusedBattleMainVar = 0;
 EWRAM_DATA u8 gChosenActionByBattler[MAX_BATTLERS_COUNT] = {0};
 EWRAM_DATA const u8 *gSelectionBattleScripts[MAX_BATTLERS_COUNT] = {NULL};
 EWRAM_DATA const u8 *gPalaceSelectionBattleScripts[MAX_BATTLERS_COUNT] = {NULL};
@@ -203,7 +202,6 @@ EWRAM_DATA u8 gLastHitBy[MAX_BATTLERS_COUNT] = {0};
 EWRAM_DATA u16 gChosenMoveByBattler[MAX_BATTLERS_COUNT] = {0};
 EWRAM_DATA u16 gMoveResultFlags = 0;
 EWRAM_DATA u32 gHitMarker = 0;
-EWRAM_DATA static u8 sUnusedBattlersArray[MAX_BATTLERS_COUNT] = {0};
 EWRAM_DATA u8 gTakenDmgByBattler[MAX_BATTLERS_COUNT] = {0};
 EWRAM_DATA u8 gUnknown_0202428C = 0;
 EWRAM_DATA u32 gSideStatuses[2] = {0};
@@ -317,12 +315,6 @@ const struct OamData gOamData_831ACB0 =
     .affineParam = 0
 };
 
-// Unknown and unused data. Feel free to remove.
-static const u16 gUnknown_0831ACB8[] = {0, 5, 0xfffe, 0};
-static const u16 *const gUnknown_0831ACC0 = gUnknown_0831ACB8;
-static const u16 gUnknown_0831ACC4[] = {0xfff0, 0, 0x0400, 0, 0, 0, 0x3c00, 0, 0x7ffe, 1, 0, 0};
-static const u16 *const gUnknown_0831ACDC = gUnknown_0831ACC4;
-
 static const s8 gUnknown_0831ACE0[] ={-32, -16, -16, -32, -32, 0, 0, 0};
 
 const u8 gTypeNames[][TYPE_NAME_LENGTH + 1] =
@@ -2888,7 +2880,6 @@ static void BattleStartClearSetData(void)
             dataPtr[j] = 0;
 
         gDisableStructs[i].isFirstTurn = 2;
-        sUnusedBattlersArray[i] = 0;
         gLastMoves[i] = 0;
         gLastLandedMoves[i] = 0;
         gLastHitByType[i] = 0;