diff --git a/livekit-runtime/Cargo.toml b/livekit-runtime/Cargo.toml
index 2ec822ae..7051f306 100644
--- a/livekit-runtime/Cargo.toml
+++ b/livekit-runtime/Cargo.toml
@@ -7,13 +7,8 @@ edition = "2021"
 repository = "https://github.com/livekit/rust-sdks"
 
 [features]
-default = ["tokio"]
 tokio = ["dep:tokio", "dep:tokio-stream"]
-async = [
-    "dep:async-std",
-    "dep:futures",
-    "dep:async-io",
-]
+async = ["dep:async-std", "dep:futures", "dep:async-io"]
 dispatcher = ["dep:futures", "dep:async-io", "dep:async-std", "dep:async-task"]
 
 [dependencies]
@@ -30,4 +25,4 @@ futures = { version = "0.3.30", optional = true }
 async-io = { version = "2.3.1", optional = true }
 
 # dispatcher
-async-task = {version = "4.7.0", optional = true }
+async-task = { version = "4.7.0", optional = true }