diff --git a/libs/hbb_common/src/config.rs b/libs/hbb_common/src/config.rs
index 6032ae9c7..71dd9a5c6 100644
--- a/libs/hbb_common/src/config.rs
+++ b/libs/hbb_common/src/config.rs
@@ -212,11 +212,6 @@ pub struct PeerConfig {
         deserialize_with = "PeerConfig::deserialize_image_quality"
     )]
     pub image_quality: String,
-    #[serde(
-        default = "PeerConfig::default_audio_mode",
-        deserialize_with = "PeerConfig::deserialize_audio_mode"
-    )]
-    pub audio_mode: String,
     #[serde(
         default = "PeerConfig::default_custom_image_quality",
         deserialize_with = "PeerConfig::deserialize_custom_image_quality"
@@ -1001,11 +996,6 @@ impl PeerConfig {
         deserialize_image_quality,
         UserDefaultConfig::load().get("image_quality")
     );
-    serde_field_string!(
-        default_audio_mode,
-        deserialize_audio_mode,
-        "guest-to-host".to_owned()
-    );
 
     fn default_custom_image_quality() -> Vec<i32> {
         let f: f64 = UserDefaultConfig::load()