diff --git a/include/item.h b/include/item.h
index f0c58c6ab..ceca83bd5 100644
--- a/include/item.h
+++ b/include/item.h
@@ -75,6 +75,5 @@ ItemUseFunc ItemId_GetFieldFunc(u16 itemId);
 u8 ItemId_GetBattleUsage(u16 itemId);
 ItemUseFunc ItemId_GetBattleFunc(u16 itemId);
 u8 ItemId_GetSecondaryId(u16 itemId);
-bool32 IsPinchBerryItemEffect(u16 holdEffect);
 
 #endif // GUARD_ITEM_H
diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index d5815ad70..f28cb4fe8 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -41,6 +41,7 @@ enum
 static u8 ChooseMoveOrAction_Singles(void);
 static u8 ChooseMoveOrAction_Doubles(void);
 static void BattleAI_DoAIProcessing(void);
+static bool32 IsPinchBerryItemEffect(u16 holdEffect);
 
 // ewram
 EWRAM_DATA const u8 *gAIScriptPtr = NULL;   // Still used in contests
@@ -2928,6 +2929,29 @@ static s16 AI_DoubleBattle(u8 battlerAtk, u8 battlerDef, u16 move, s16 score)
     return score;
 }
 
+static bool32 IsPinchBerryItemEffect(u16 holdEffect)
+{
+    switch (holdEffect)
+    {
+    case HOLD_EFFECT_ATTACK_UP:
+    case HOLD_EFFECT_DEFENSE_UP:
+    case HOLD_EFFECT_SPEED_UP:
+    case HOLD_EFFECT_SP_ATTACK_UP:
+    case HOLD_EFFECT_SP_DEFENSE_UP:
+    case HOLD_EFFECT_CRITICAL_UP:
+    case HOLD_EFFECT_RANDOM_STAT_UP:
+    #ifdef HOLD_EFFECT_CUSTAP_BERRY
+    case HOLD_EFFECT_CUSTAP_BERRY:
+    #endif
+    #ifdef HOLD_EFFECT_MICLE_BERRY
+    case HOLD_EFFECT_MICLE_BERRY:
+    #endif
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
 // AI_FLAG_CHECK_VIABILITY - a weird mix of increasing and decreasing scores
 static s16 AI_CheckViability(u8 battlerAtk, u8 battlerDef, u16 move, s16 score)
 {
diff --git a/src/item.c b/src/item.c
index e9b94ae6f..156034262 100644
--- a/src/item.c
+++ b/src/item.c
@@ -947,26 +947,3 @@ u8 ItemId_GetSecondaryId(u16 itemId)
 {
     return gItems[SanitizeItemId(itemId)].secondaryId;
 }
-
-bool32 IsPinchBerryItemEffect(u16 holdEffect)
-{
-    switch (holdEffect)
-    {
-    case HOLD_EFFECT_ATTACK_UP:
-    case HOLD_EFFECT_DEFENSE_UP:
-    case HOLD_EFFECT_SPEED_UP:
-    case HOLD_EFFECT_SP_ATTACK_UP:
-    case HOLD_EFFECT_SP_DEFENSE_UP:
-    case HOLD_EFFECT_CRITICAL_UP:
-    case HOLD_EFFECT_RANDOM_STAT_UP:
-    #ifdef HOLD_EFFECT_CUSTAP_BERRY
-    case HOLD_EFFECT_CUSTAP_BERRY:
-    #endif
-    #ifdef HOLD_EFFECT_MICLE_BERRY
-    case HOLD_EFFECT_MICLE_BERRY:
-    #endif
-        return TRUE;
-    }
-
-    return FALSE;
-}