diff --git a/Cargo.toml b/Cargo.toml
index 5c72e3a..b169036 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,3 @@ anyhow = { version = "1.0.86", features = ["backtrace"] }
 audio = { git = "https://gavania.de/hodasemi/audio.git", optional = true }
 
 [features]
-default = ["audio"]
diff --git a/src/context_interface.rs b/src/context_interface.rs
index 501bbff..380aef4 100644
--- a/src/context_interface.rs
+++ b/src/context_interface.rs
@@ -18,7 +18,7 @@ pub trait ContextInterface: Send + Sync {
     fn height(&self) -> u32;
 
     #[cfg(feature = "audio")]
-    fn sound_handler(&self) -> std::sync::MutexGuard<'_, SoundHandler>;
+    fn sound_handler(&mut self) -> &mut SoundHandler;
 }
 
 pub enum TargetMode<T> {