AudioBackendManager::boxed_clone is unused

Author: orottier

src/io/cpal.rs

@@ -417,10 +417,6 @@ impl AudioBackendManager for CpalBackend {
         self.sink_id.as_str()
     }
 
-    fn boxed_clone(&self) -> Box<dyn AudioBackendManager> {
-        Box::new(self.clone())
-    }
-
     fn enumerate_devices_sync() -> Vec<MediaDeviceInfo>
     where
         Self: Sized,

src/io/cubeb.rs

@@ -395,10 +395,6 @@ impl AudioBackendManager for CubebBackend {
         self.sink_id.as_str()
     }
 
-    fn boxed_clone(&self) -> Box<dyn AudioBackendManager> {
-        Box::new(self.clone())
-    }
-
     fn enumerate_devices_sync() -> Vec<MediaDeviceInfo>
     where
         Self: Sized,

src/io/mod.rs

@@ -185,9 +185,6 @@ pub(crate) trait AudioBackendManager: Send + Sync + 'static {
     /// The audio output device - `""` means the default device
     fn sink_id(&self) -> &str;
 
-    /// Clone the stream reference
-    fn boxed_clone(&self) -> Box<dyn AudioBackendManager>;
-
     fn enumerate_devices_sync() -> Vec<MediaDeviceInfo>
     where
         Self: Sized;

src/io/none.rs

@@ -160,11 +160,6 @@ impl AudioBackendManager for NoneBackend {
         "none"
     }
 
-    /// Clone the stream reference
-    fn boxed_clone(&self) -> Box<dyn AudioBackendManager> {
-        Box::new(self.clone())
-    }
-
     fn enumerate_devices_sync() -> Vec<MediaDeviceInfo>
     where
         Self: Sized,