diff --git a/engine/battle_anims/anim_commands.asm b/engine/battle_anims/anim_commands.asm
index b91aa8c6c..f3b2ee46d 100644
--- a/engine/battle_anims/anim_commands.asm
+++ b/engine/battle_anims/anim_commands.asm
@@ -975,7 +975,7 @@ BattleAnimCmd_RaiseSub: ; cc640 (33:4640)
 	push af
 	ld a, 1 ; unnecessary bankswitch?
 	ld [rSVBK], a
-	xor a
+	xor a ; effectively ld a, BANK(sScratch)
 	call GetSRAMBank
 
 GetSubstitutePic: ; cc64c
@@ -1049,7 +1049,7 @@ BattleAnimCmd_MinimizeOpp: ; cc6cf (33:46cf)
 	push af
 	ld a, 1 ; unnecessary bankswitch?
 	ld [rSVBK], a
-	xor a
+	xor a ; effectively ld a, BANK(sScratch)
 	call GetSRAMBank
 	call GetMinimizePic
 	call Request2bpp
@@ -1105,7 +1105,7 @@ BattleAnimCmd_Minimize: ; cc735 (33:4735)
 	push af
 	ld a, 1 ; unnecessary bankswitch?
 	ld [rSVBK], a
-	xor a
+	xor a ; effectively ld a, BANK(sScratch)
 	call GetSRAMBank
 	call GetMinimizePic
 	ld hl, vTiles0 tile $00
diff --git a/engine/events/print_unown.asm b/engine/events/print_unown.asm
index 4a4367e13..3dfee282d 100644
--- a/engine/events/print_unown.asm
+++ b/engine/events/print_unown.asm
@@ -178,7 +178,7 @@ UnownPrinter: ; 16be4
 	hlcoord 1, 9
 	ld de, UnownDexVacantString
 	call PlaceString
-	xor a
+	xor a ; effectively ld a, BANK(sScratch)
 	call GetSRAMBank
 	ld hl, sScratch
 	ld bc, $31 tiles
diff --git a/engine/events/print_unown_2.asm b/engine/events/print_unown_2.asm
index c932ded38..287ae7537 100644
--- a/engine/events/print_unown_2.asm
+++ b/engine/events/print_unown_2.asm
@@ -1,7 +1,7 @@
 RotateUnownFrontpic: ; e0000
 ; something to do with Unown printer
 	push de
-	xor a
+	xor a ; effectively ld a, BANK(sScratch)
 	call GetSRAMBank
 	ld hl, sScratch
 	ld bc, 0