diff --git a/src/core/sync.rs b/src/core/sync.rs
index 220db7c..de99321 100644
--- a/src/core/sync.rs
+++ b/src/core/sync.rs
@@ -1,5 +1,5 @@
 use crate::core::uad_lists::PackageState;
-use crate::core::utils::ANDROID_SERIAL;
+use crate::core::utils::set_adb_serial;
 use crate::gui::views::list::PackageInfo;
 use crate::gui::widgets::package_row::PackageRow;
 use regex::Regex;
@@ -7,14 +7,11 @@ use retry::{delay::Fixed, retry, OperationResult};
 use serde::{Deserialize, Serialize};
 use static_init::dynamic;
 use std::collections::HashSet;
-use std::env;
 use std::process::Command;
 
 #[cfg(target_os = "windows")]
 use std::os::windows::process::CommandExt;
 
-use super::utils::set_adb_serial;
-
 const PM_LS_PKG: &str = "pm list packages";
 const PM_C: &str = "pm clear";
 
diff --git a/src/core/utils.rs b/src/core/utils.rs
index 85268f6..018f874 100644
--- a/src/core/utils.rs
+++ b/src/core/utils.rs
@@ -10,15 +10,8 @@ use std::path::PathBuf;
 use std::process::Command;
 use std::{fmt, fs};
 
-use super::sync::Phone;
-
 /// Canonical shortened name of the application
 pub const NAME: &str = "UAD-ng";
-/// Global environment variable to keep
-/// track of the current device serial.
-///
-/// [More info](https://developer.android.com/tools/variables#adb)
-pub const ANDROID_SERIAL: &str = "ANDROID_SERIAL";
 pub const EXPORT_FILE_NAME: &str = "selection_export.txt";
 pub const UNINSTALLED_PACKAGES_FILE_NAME: &str = "uninstalled_packages";
 
@@ -32,8 +25,9 @@ pub enum Error {
     clippy::semicolon_if_nothing_returned,
     reason = "fn must return whatever `set_var` returns"
 )]
-pub unsafe fn set_adb_serial<D: AsRef<OsStr>>(device: D) {
-    std::env::set_var(ANDROID_SERIAL, device)
+pub unsafe fn set_adb_serial<D: AsRef<OsStr>>(device_serial: D) {
+    // https://developer.android.com/tools/variables#adb
+    std::env::set_var("ANDROID_SERIAL", device_serial)
 }
 
 pub fn fetch_packages(uad_lists: &PackageHashMap, user_id: Option<&User>) -> Vec<PackageRow> {
diff --git a/src/gui/mod.rs b/src/gui/mod.rs
index 7d57111..cd219e7 100644
--- a/src/gui/mod.rs
+++ b/src/gui/mod.rs
@@ -6,7 +6,7 @@ use crate::core::sync::{get_devices_list, initial_load, perform_adb_commands, Co
 use crate::core::theme::Theme;
 use crate::core::uad_lists::UadListState;
 use crate::core::update::{get_latest_release, Release, SelfUpdateState, SelfUpdateStatus};
-use crate::core::utils::{set_adb_serial, string_to_theme, ANDROID_SERIAL, NAME};
+use crate::core::utils::{set_adb_serial, string_to_theme, NAME};
 
 use iced::advanced::graphics::image::image_rs::ImageFormat;
 use iced::font;
@@ -21,7 +21,6 @@ use iced::{
     window::Settings as Window, Alignment, Application, Command, Element, Length, Renderer,
     Settings,
 };
-use std::env;
 #[cfg(feature = "self-update")]
 use std::path::PathBuf;