diff --git a/como_api/src/router.rs b/como_api/src/router.rs
index 89d4574..b210bc7 100644
--- a/como_api/src/router.rs
+++ b/como_api/src/router.rs
@@ -12,7 +12,7 @@ use crate::controllers::graphql::GraphQLController;
 pub struct Api;
 
 impl Api {
-    pub async fn new(
+    pub async fn run_api(
         port: u32,
         cors_origin: &str,
         service_register: ServiceRegister,
diff --git a/como_bin/src/error.rs b/como_bin/src/error.rs
index bc8201a..f5f37e6 100644
--- a/como_bin/src/error.rs
+++ b/como_bin/src/error.rs
@@ -1,6 +1,7 @@
 use axum::{http::StatusCode, response::IntoResponse, Json};
 use serde_json::json;
 
+#[allow(dead_code)]
 #[derive(Debug)]
 pub enum AppError {
     WrongCredentials,
diff --git a/como_bin/src/main.rs b/como_bin/src/main.rs
index a3739d6..7c74c50 100644
--- a/como_bin/src/main.rs
+++ b/como_bin/src/main.rs
@@ -29,7 +29,7 @@ async fn main() -> anyhow::Result<()> {
 
     let service_register = ServiceRegister::new(pool, config.clone());
 
-    Api::new(
+    Api::run_api(
         config.api_port,
         &config.cors_origin,
         service_register.clone(),
diff --git a/como_domain/src/item/mod.rs b/como_domain/src/item/mod.rs
index 26e0a6e..306e545 100644
--- a/como_domain/src/item/mod.rs
+++ b/como_domain/src/item/mod.rs
@@ -2,7 +2,7 @@ pub mod queries;
 pub mod requests;
 pub mod responses;
 
-use async_graphql::{Enum, InputObject, SimpleObject};
+use async_graphql::{Enum, InputObject};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
diff --git a/como_gql/src/graphql.rs b/como_gql/src/graphql.rs
index 0b6fa6b..aa6b848 100644
--- a/como_gql/src/graphql.rs
+++ b/como_gql/src/graphql.rs
@@ -4,8 +4,6 @@ use como_domain::{
     item::{
         queries::{GetItemQuery, GetItemsQuery},
         requests::CreateItemDto,
-        responses::CreatedItemDto,
-        ItemDto,
     },
     projects::{
         queries::{GetProjectQuery, GetProjectsQuery},
diff --git a/como_gql/src/items.rs b/como_gql/src/items.rs
index 61f25bc..293b8fb 100644
--- a/como_gql/src/items.rs
+++ b/como_gql/src/items.rs
@@ -35,19 +35,19 @@ pub struct Item {
 #[Object]
 impl Item {
     pub async fn id(&self, _ctx: &Context<'_>) -> anyhow::Result<Uuid> {
-        return Ok(self.id);
+        Ok(self.id)
     }
 
     pub async fn title(&self, _ctx: &Context<'_>) -> anyhow::Result<String> {
-        return Ok(self.title.clone());
+        Ok(self.title.clone())
     }
 
     pub async fn description(&self, _ctx: &Context<'_>) -> anyhow::Result<Option<String>> {
-        return Ok(self.description.clone());
+        Ok(self.description.clone())
     }
 
     pub async fn state(&self, _ctx: &Context<'_>) -> anyhow::Result<ItemState> {
-        return Ok(self.state);
+        Ok(self.state)
     }
 
     pub async fn project(&self, ctx: &Context<'_>) -> anyhow::Result<Project> {
diff --git a/como_infrastructure/src/register.rs b/como_infrastructure/src/register.rs
index 504dcfb..cf9dc62 100644
--- a/como_infrastructure/src/register.rs
+++ b/como_infrastructure/src/register.rs
@@ -7,8 +7,7 @@ use crate::{
     configs::AppConfig,
     database::ConnectionPool,
     services::{
-        item_service::{DefaultItemService, MemoryItemService},
-        project_service::{DefaultProjectService, MemoryProjectService},
+        item_service::MemoryItemService, project_service::MemoryProjectService,
         user_service::DefaultUserService,
     },
 };
@@ -26,14 +25,14 @@ impl ServiceRegister {
 
         let item_service = Arc::new(MemoryItemService::new()) as DynItemService;
         let project_service = Arc::new(MemoryProjectService::new()) as DynProjectService;
-        let user_service = Arc::new(DefaultUserService::new(pool.clone())) as DynUserService;
+        let user_service = Arc::new(DefaultUserService::new(pool)) as DynUserService;
 
         info!("services created succesfully");
 
-        return Self {
+        Self {
             item_service,
             user_service,
             project_service,
-        };
+        }
     }
 }
diff --git a/como_infrastructure/src/services/item_service.rs b/como_infrastructure/src/services/item_service.rs
index c5faf65..4a376f5 100644
--- a/como_infrastructure/src/services/item_service.rs
+++ b/como_infrastructure/src/services/item_service.rs
@@ -3,6 +3,7 @@ use std::{
     sync::{Arc, Mutex},
 };
 
+use anyhow::Context;
 use axum::async_trait;
 use como_core::items::ItemService;
 use como_domain::item::{
@@ -21,6 +22,12 @@ impl DefaultItemService {
     }
 }
 
+impl Default for DefaultItemService {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[async_trait]
 impl ItemService for DefaultItemService {
     async fn add_item(&self, _item: CreateItemDto) -> anyhow::Result<CreatedItemDto> {
@@ -48,6 +55,12 @@ impl MemoryItemService {
     }
 }
 
+impl Default for MemoryItemService {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[async_trait]
 impl ItemService for MemoryItemService {
     async fn add_item(&self, create_item: CreateItemDto) -> anyhow::Result<CreatedItemDto> {
@@ -71,7 +84,7 @@ impl ItemService for MemoryItemService {
         if let Ok(item_store) = self.item_store.lock() {
             let item = item_store
                 .get(&query.item_id.to_string())
-                .ok_or(anyhow::anyhow!("could not find item"))?;
+                .context("could not find item")?;
             return Ok(item.clone());
         } else {
             Err(anyhow::anyhow!("could not unlock item_store"))