diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index 5be423e0a..436350899 100644
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,80 +5,6 @@
 
 	.text
 
-	thumb_func_start RemoveFieldObjectByLocalIdAndMap
-@ void RemoveFieldObjectByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapBank)
-RemoveFieldObjectByLocalIdAndMap: @ 808D8C4
-	push {lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	mov r3, sp
-	bl TryGetFieldObjectIdByLocalIdAndMap
-	lsls r0, 24
-	cmp r0, 0
-	bne _0808D902
-	mov r0, sp
-	ldrb r0, [r0]
-	bl GetFieldObjectFlagIdByFieldObjectId
-	lsls r0, 16
-	lsrs r0, 16
-	bl FlagSet
-	mov r0, sp
-	ldrb r1, [r0]
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gMapObjects
-	adds r0, r1
-	bl RemoveFieldObject
-_0808D902:
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RemoveFieldObjectByLocalIdAndMap
-
-	thumb_func_start RemoveFieldObjectInternal
-@ void RemoveFieldObjectInternal(npc_state *fieldObject)
-RemoveFieldObjectInternal: @ 808D90C
-	push {r4,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	ldrb r0, [r4, 0x5]
-	bl GetFieldObjectGraphicsInfo
-	ldrh r2, [r0, 0x6]
-	ldr r1, =0xffff0000
-	ldr r0, [sp, 0x4]
-	ands r0, r1
-	orrs r0, r2
-	str r0, [sp, 0x4]
-	ldr r2, =gSprites
-	ldrb r1, [r4, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r1, r2, 0
-	adds r1, 0xC
-	adds r0, r1
-	mov r1, sp
-	str r1, [r0]
-	ldrb r1, [r4, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	bl DestroySprite
-	add sp, 0x8
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RemoveFieldObjectInternal
-
 	thumb_func_start sub_808D958
 sub_808D958: @ 808D958
 	push {r4,lr}
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index 7420895ab..52f798f9b 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -21,6 +21,8 @@ static u8 GetFieldObjectIdByLocalIdAndMapInternal(u8, u8, u8);
 static bool8 GetAvailableFieldObjectSlot(u16, u8, u8, u8 *);
 /*static*/ void FieldObjectHandleDynamicGraphicsId(struct MapObject *);
 /*static*/ void RemoveFieldObjectInternal (struct MapObject *);
+/*static*/ u16 GetFieldObjectFlagIdByFieldObjectId(u8);
+/*static*/ struct MapObjectGraphicsInfo *GetFieldObjectGraphicsInfo(u8);
 
 // ROM data
 
@@ -422,3 +424,21 @@ void RemoveFieldObject(struct MapObject *mapObject)
     mapObject->active = FALSE;
     RemoveFieldObjectInternal(mapObject);
 }
+
+void RemoveFieldObjectByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
+{
+    u8 index;
+    if (!TryGetFieldObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &index))
+    {
+        FlagSet(GetFieldObjectFlagIdByFieldObjectId(index));
+        RemoveFieldObject(&gMapObjects[index]);
+    }
+}
+
+void RemoveFieldObjectInternal(struct MapObject *mapObject)
+{
+    struct SpriteFrameImage image;
+    image.size = GetFieldObjectGraphicsInfo(mapObject->graphicsId)->size;
+    gSprites[mapObject->spriteId].images = ℑ
+    DestroySprite(&gSprites[mapObject->spriteId]);
+}