diff --git a/src/database.rs b/src/database.rs
index ed93941..dbb127b 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -40,6 +40,7 @@ impl Database {
         }
     }
 
+    #[cfg(test)]
     pub async fn init_from_pool(pool: Pool<Postgres>) -> Database {
         Database { conn_pool: pool }
     }
@@ -197,7 +198,6 @@ impl Database {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use dotenvy::dotenv;
     use sqlx::PgPool;
 
     #[sqlx::test]
diff --git a/src/main.rs b/src/main.rs
index 191db15..1440b65 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,11 @@
-use std::{env, fs, path::PathBuf, process, str::FromStr};
+use std::{env, fs, path::PathBuf, process};
 
 use crate::schemas::{TelemetryMessageFromDevice, ValueMessageFromDevice};
 use actix_web::{get, post, put, web, App, HttpResponse, HttpServer, Responder};
 use database::Database;
 use dotenvy::dotenv;
 use log::{debug, error, info, warn};
-use schemas::{BoardConfig, BoardType, Device, OTAConfiguration, OTAConfigurationList};
+use schemas::OTAConfigurationList;
 use sqlx::types::mac_address::MacAddress;
 use util::{get_files, parse_mac_address};
 
@@ -183,7 +183,7 @@ async fn serve_firmware(path: web::Path<(String, String, String)>, data: web::Da
             .content_type("application/octet-stream")
             .insert_header((
                 "Content-Disposition",
-                format!("attachment; filename=\"{}\"", format!("{product}_{config}_{version}.bin")),
+                format!("attachment; filename=\"{product}_{config}_{version}.bin\""),
             ))
             .body(std::fs::read(file_path).unwrap_or_else(|_| Vec::new()))
     } else {
diff --git a/src/schemas.rs b/src/schemas.rs
index 66f7775..1e15967 100644
--- a/src/schemas.rs
+++ b/src/schemas.rs
@@ -1,5 +1,3 @@
-use std::path::PathBuf;
-
 use chrono::NaiveDateTime;
 use serde::{ser::SerializeStruct, Deserialize, Serialize};
 use sqlx::types::mac_address::MacAddress;
diff --git a/src/util.rs b/src/util.rs
index a1c708b..705ab84 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,9 +1,7 @@
 use std::{fs, path::PathBuf};
 
 use log::info;
-use strum::EnumString;
 use thiserror::Error;
-use serde;
 use std::str::FromStr;