diff --git a/src/client.rs b/src/client.rs
index d6d58136e..f37719641 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -165,6 +165,7 @@ impl OboePlayer {
         }
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     fn is_null(&self) -> bool {
         self.raw.is_null()
     }
diff --git a/src/keyboard.rs b/src/keyboard.rs
index c6da18097..e6e9da35a 100644
--- a/src/keyboard.rs
+++ b/src/keyboard.rs
@@ -1,6 +1,3 @@
-#[cfg(not(any(target_os = "android", target_os = "ios")))]
-use crate::client::get_key_state;
-use crate::common::GrabState;
 #[cfg(feature = "flutter")]
 use crate::flutter::{CUR_SESSION_ID, SESSIONS};
 #[cfg(target_os = "windows")]
@@ -8,6 +5,8 @@ use crate::platform::windows::{get_char_from_vk, get_unicode_from_vk};
 #[cfg(not(any(feature = "flutter", feature = "cli")))]
 use crate::ui::CUR_SESSION;
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
+use crate::{client::get_key_state, common::GrabState};
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 use hbb_common::log;
 use hbb_common::message_proto::*;
 #[cfg(any(target_os = "windows", target_os = "macos"))]
@@ -15,10 +14,11 @@ use rdev::KeyCode;
 use rdev::{Event, EventType, Key};
 #[cfg(any(target_os = "windows", target_os = "macos"))]
 use std::sync::atomic::{AtomicBool, Ordering};
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+use std::time::SystemTime;
 use std::{
     collections::{HashMap, HashSet},
     sync::{Arc, Mutex},
-    time::SystemTime,
 };
 
 #[cfg(windows)]
@@ -73,6 +73,7 @@ pub mod client {
         super::start_grab_loop();
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn change_grab_status(state: GrabState) {
         match state {
             GrabState::Ready => {}
@@ -320,6 +321,7 @@ pub fn is_long_press(event: &Event) -> bool {
     return false;
 }
 
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub fn release_remote_keys() {
     // todo!: client quit suddenly, how to release keys?
     let to_release = TO_RELEASE.lock().unwrap().clone();
@@ -565,6 +567,7 @@ pub fn event_to_key_events(
     key_events
 }
 
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub fn event_type_to_event(event_type: EventType) -> Event {
     Event {
         event_type,
diff --git a/src/ui_session_interface.rs b/src/ui_session_interface.rs
index b28f29c4c..e71e13919 100644
--- a/src/ui_session_interface.rs
+++ b/src/ui_session_interface.rs
@@ -1,12 +1,14 @@
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
-use std::collections::HashMap;
-use std::ops::{Deref, DerefMut};
-use std::str::FromStr;
-use std::sync::{
-    atomic::{AtomicBool, AtomicUsize, Ordering},
-    Arc, Mutex, RwLock,
+use std::{collections::HashMap, sync::atomic::AtomicBool};
+use std::{
+    ops::{Deref, DerefMut},
+    str::FromStr,
+    sync::{
+        atomic::{AtomicUsize, Ordering},
+        Arc, Mutex, RwLock,
+    },
+    time::{Duration, SystemTime},
 };
-use std::time::{Duration, SystemTime};
 
 use async_trait::async_trait;
 use bytes::Bytes;
@@ -27,10 +29,12 @@ use crate::client::{
     input_os_password, load_config, send_mouse, start_video_audio_threads, FileManager, Key,
     LoginConfigHandler, QualityStatus, KEY_MAP,
 };
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 use crate::common::GrabState;
 use crate::keyboard;
 use crate::{client::Data, client::Interface};
 
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub static IS_IN: AtomicBool = AtomicBool::new(false);
 
 #[derive(Clone, Default)]
@@ -55,6 +59,7 @@ pub struct SessionPermissionConfig {
     pub server_clipboard_enabled: Arc<RwLock<bool>>,
 }
 
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 impl SessionPermissionConfig {
     pub fn is_text_clipboard_required(&self) -> bool {
         *self.server_clipboard_enabled.read().unwrap()
@@ -64,6 +69,7 @@ impl SessionPermissionConfig {
 }
 
 impl<T: InvokeUiSession> Session<T> {
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn get_permission_config(&self) -> SessionPermissionConfig {
         SessionPermissionConfig {
             lc: self.lc.clone(),
@@ -89,6 +95,7 @@ impl<T: InvokeUiSession> Session<T> {
             .eq(&ConnType::PORT_FORWARD)
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn is_rdp(&self) -> bool {
         self.lc.read().unwrap().conn_type.eq(&ConnType::RDP)
     }
@@ -162,6 +169,7 @@ impl<T: InvokeUiSession> Session<T> {
         self.lc.read().unwrap().is_privacy_mode_supported()
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn is_text_clipboard_required(&self) -> bool {
         *self.server_clipboard_enabled.read().unwrap()
             && *self.server_keyboard_enabled.read().unwrap()
@@ -488,6 +496,7 @@ impl<T: InvokeUiSession> Session<T> {
         self.send(Data::Message(msg_out));
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn enter(&self) {
         #[cfg(target_os = "windows")]
         {
@@ -502,6 +511,7 @@ impl<T: InvokeUiSession> Session<T> {
         keyboard::client::change_grab_status(GrabState::Run);
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     pub fn leave(&self) {
         #[cfg(target_os = "windows")]
         {