diff --git a/src/ship/items/apply_item.rs b/src/ship/items/apply_item.rs
index d73941e..6978f2e 100644
--- a/src/ship/items/apply_item.rs
+++ b/src/ship/items/apply_item.rs
@@ -12,7 +12,7 @@ use crate::entity::item::tech::TechniqueDisk;
 use crate::entity::item::{ItemDetail, ItemEntityId};
 use crate::entity::item::weapon::WeaponModifier;
 use crate::ship::items::state::ItemStateProxy;
-use crate::ship::items::inventory::{InventoryItem, InventoryItemDetail};
+use crate::ship::items::inventory::InventoryItemDetail;
 
 
 #[derive(Error, Debug)]
diff --git a/src/ship/items/bank.rs b/src/ship/items/bank.rs
index 4f922af..cf88ae3 100644
--- a/src/ship/items/bank.rs
+++ b/src/ship/items/bank.rs
@@ -134,7 +134,7 @@ impl BankState {
             item.item_id = ClientItemId(*bitem_id + i as u32);
         }
 
-        *bitem_id = *bitem_id + self.bank.0.len() as u32;
+        *bitem_id += self.bank.0.len() as u32;
     }
 
     pub fn add_meseta(&mut self, amount: u32) -> Result<(), anyhow::Error> {
diff --git a/src/ship/items/inventory.rs b/src/ship/items/inventory.rs
index 19fa372..da131d8 100644
--- a/src/ship/items/inventory.rs
+++ b/src/ship/items/inventory.rs
@@ -214,7 +214,7 @@ impl InventoryState {
             item.item_id = ClientItemId(*bitem_id + i as u32);
         }
 
-        *bitem_id = *bitem_id + self.inventory.0.len() as u32;
+        *bitem_id += self.inventory.0.len() as u32;
     }
 
     pub async fn new_item_id(&mut self) -> ClientItemId {