diff --git a/src/lib.rs b/src/lib.rs
index c686185..2b691b9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,18 +24,19 @@ use std::{
     fmt::Display,
     sync::{
         atomic::{AtomicBool, Ordering},
-        Arc, OnceLock,
+        Arc,
     },
-    thread,
-    time::Duration,
 };
 #[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
-use std::{sync::Mutex, thread::JoinHandle};
+use std::{
+    sync::{Mutex, OnceLock},
+    thread::{self, JoinHandle},
+    time::Duration,
+};
 
-use ::log::{error, info};
+use ::log::error;
 use anyhow::{anyhow, Result};
 use lazy_static::lazy_static;
-use rusb::{DeviceHandle, GlobalContext};
 use shared_memory::{Shmem, ShmemConf, ShmemError};
 #[cfg(any(
     all(feature = "chusan", target_arch = "x86_64"),
@@ -52,14 +53,21 @@ use winapi::{
         winnt::{DLL_PROCESS_ATTACH, HRESULT},
     },
 };
+#[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
+use {
+    ::log::info,
+    rusb::{DeviceHandle, GlobalContext},
+};
 
 use crate::{configuration::Configuration, log::init_logger};
 
+static mut INPUT_SHMEM: Option<Arc<Shmem>> = None;
+
 #[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
 type SliderCallbackFn = unsafe extern "C" fn(data: *const u8);
 
+#[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
 static DEVICE: OnceLock<DeviceHandle<GlobalContext>> = OnceLock::new();
-static mut INPUT_SHMEM: Option<Arc<Shmem>> = None;
 
 #[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
 static mut SLIDER_THREAD: OnceLock<JoinHandle<()>> = OnceLock::new();
@@ -136,7 +144,8 @@ pub extern "C" fn chuni_io_get_api_version() -> u16 {
     not(feature = "chusan")
 ))]
 pub extern "C" fn chuni_io_jvs_init() -> HRESULT {
-    if cfg!(not(feature = "chusan")) {
+    #[cfg(not(feature = "chusan"))]
+    {
         if let Err(e) = yubideck_init() {
             error!("Could not initialize YubiDeck: {e:#?}");
             return E_FAIL;
@@ -232,7 +241,8 @@ pub unsafe extern "C" fn chuni_io_slider_init() -> HRESULT {
         }
     }
 
-    if cfg!(not(feature = "chusan")) {
+    #[cfg(not(feature = "chusan"))]
+    {
         // Already initialized in chuni_io_jvs_init()
         return S_OK;
     }
@@ -443,6 +453,7 @@ where
         .map_err(|e| anyhow!("Failed to create/open shared memory {os_id}: {e:#}"))
 }
 
+#[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
 fn yubideck_init() -> Result<()> {
     let Some(mut device) = rusb::open_device_with_vid_pid(0x1973, 0x2001) else {
         return Err(anyhow!("YubiDeck not found."));
@@ -459,6 +470,7 @@ fn yubideck_init() -> Result<()> {
     Ok(())
 }
 
+#[cfg(any(all(feature = "chusan", target_arch = "x86"), not(feature = "chusan")))]
 fn input_thread_proc() {
     info!("Input thread started");