diff --git a/asm/ov00/Item/ItemManager.inc b/asm/ov00/Item/ItemManager.inc
index 96d69948..1adb8661 100644
--- a/asm/ov00/Item/ItemManager.inc
+++ b/asm/ov00/Item/ItemManager.inc
@@ -1,7 +1,5 @@
 #pragma once
-.extern _ZN11ItemManager12GetEquipItemEi
-.extern _ZN11ItemManager15SetEquippedItemEi
-.extern _ZNK11ItemManager10GetMaxAmmoEi
+.extern _ZNK11ItemManager9HasPotionEj
 .extern data_027e0f78
 .extern data_ov00_020eec68
 .extern func_020196bc
diff --git a/asm/ov00/Item/ItemManager.s b/asm/ov00/Item/ItemManager.s
index b603e4e7..9b30ee26 100644
--- a/asm/ov00/Item/ItemManager.s
+++ b/asm/ov00/Item/ItemManager.s
@@ -3,27 +3,6 @@
 
 	.text
 
-	.global _ZNK11ItemManager9HasPotionEj
-	arm_func_start _ZNK11ItemManager9HasPotionEj
-_ZNK11ItemManager9HasPotionEj: ; 0x020ae564
-	add r0, r0, r1
-	ldrb r0, [r0, #0xbc]
-	cmp r0, #3
-	addls pc, pc, r0, lsl #2
-	b _020ae590
-_020ae578: ; jump table
-	b _020ae590 ; case 0
-	b _020ae588 ; case 1
-	b _020ae588 ; case 2
-	b _020ae588 ; case 3
-_020ae588:
-	mov r0, #1
-	bx lr
-_020ae590:
-	mov r0, #0
-	bx lr
-	arm_func_end _ZNK11ItemManager9HasPotionEj
-
 	.global _ZNK11ItemManager13HasAllPotionsEv
 	arm_func_start _ZNK11ItemManager13HasAllPotionsEv
 _ZNK11ItemManager13HasAllPotionsEv: ; 0x020ae598
diff --git a/src/00_Core/Item/ItemManager.cpp b/src/00_Core/Item/ItemManager.cpp
index 877d43de..3aedc0b3 100644
--- a/src/00_Core/Item/ItemManager.cpp
+++ b/src/00_Core/Item/ItemManager.cpp
@@ -862,3 +862,16 @@ ARM void ItemManager::SetPotion(u32 index, Potion potion) {
         SET_FLAG(mItemFlags.flags, index + ItemFlag_PotionA);
     }
 }
+
+ARM bool ItemManager::HasPotion(u32 index) const {
+    switch (mPotions[index]) {
+        case Potion_Red:
+        case Potion_Purple:
+        case Potion_Yellow:
+            return true;
+        
+        case Potion_None:
+        default:
+            return false;
+    }
+}