diff --git a/src/client/io_loop.rs b/src/client/io_loop.rs
index 27ecc7a91..1280fb801 100644
--- a/src/client/io_loop.rs
+++ b/src/client/io_loop.rs
@@ -390,15 +390,15 @@ impl<T: InvokeUiSession> Remote<T> {
         if self.handler.is_file_transfer() || self.handler.is_port_forward() {
             return None;
         }
-        // NOTE:
-        // The client server and --server both use the same sound input device.
-        // It's better to distinguish the server side and client side.
-        // But it' not necessary for now, because it's not a common case.
-        // And it is immediately known when the input device is changed.
-        crate::audio_service::set_voice_call_input_device(get_default_sound_input(), false);
         // iOS does not have this server.
         #[cfg(not(any(target_os = "ios")))]
         {
+            // NOTE:
+            // The client server and --server both use the same sound input device.
+            // It's better to distinguish the server side and client side.
+            // But it' not necessary for now, because it's not a common case.
+            // And it is immediately known when the input device is changed.
+            crate::audio_service::set_voice_call_input_device(get_default_sound_input(), false);
             // Create a channel to receive error or closed message
             let (tx, rx) = std::sync::mpsc::channel();
             let (tx_audio_data, mut rx_audio_data) =
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index 3eccfc84d..a7eda9d9b 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -1319,16 +1319,18 @@ pub fn cm_close_voice_call(id: i32) {
     crate::ui_cm_interface::close_voice_call(id);
 }
 
-pub fn set_voice_call_input_device(is_cm: bool, device: String) {
-    if is_cm {
-        let _ = crate::ipc::set_config("voice-call-input", device);
+pub fn set_voice_call_input_device(_is_cm: bool, _device: String) {
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    if _is_cm {
+        let _ = crate::ipc::set_config("voice-call-input", _device);
     } else {
-        crate::audio_service::set_voice_call_input_device(Some(device), true);
+        crate::audio_service::set_voice_call_input_device(Some(_device), true);
     }
 }
 
-pub fn get_voice_call_input_device(is_cm: bool) -> String {
-    if is_cm {
+pub fn get_voice_call_input_device(_is_cm: bool) -> String {
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    if _is_cm {
         match crate::ipc::get_config("voice-call-input") {
             Ok(Some(device)) => device,
             _ => "".to_owned(),
@@ -1336,6 +1338,8 @@ pub fn get_voice_call_input_device(is_cm: bool) -> String {
     } else {
         crate::audio_service::get_voice_call_input_device().unwrap_or_default()
     }
+    #[cfg(any(target_os = "android", target_os = "ios"))]
+    "".to_owned()
 }
 
 pub fn main_get_last_remote_id() -> String {
diff --git a/src/server/audio_service.rs b/src/server/audio_service.rs
index 504c09279..b717c6644 100644
--- a/src/server/audio_service.rs
+++ b/src/server/audio_service.rs
@@ -163,7 +163,6 @@ mod cpal_impl {
     }
 
     fn run_restart(sp: EmptyExtraFieldService, state: &mut State) -> ResultType<()> {
-        println!("REMOVE ME ========================= run_restart");
         state.reset();
         sp.snapshot(|_sps: ServiceSwap<_>| Ok(()))?;
         match &state.stream {