diff --git a/Cargo.lock b/Cargo.lock
index e4a14b05c9..0bcad55269 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5627,7 +5627,6 @@ dependencies = [
  "tokio",
  "tracing",
  "zenoh",
- "zenoh-config",
  "zenoh-macros",
  "zenoh-util",
 ]
diff --git a/zenoh-ext/Cargo.toml b/zenoh-ext/Cargo.toml
index 3bd1c71c84..9d76b8590d 100644
--- a/zenoh-ext/Cargo.toml
+++ b/zenoh-ext/Cargo.toml
@@ -44,11 +44,10 @@ futures = { workspace = true }
 tracing = { workspace = true }
 serde = { workspace = true, features = ["default"] }
 leb128 = { workspace = true }
-zenoh = { workspace = true, features = ["unstable", "internal"], default-features = false }
+zenoh = { workspace = true, default-features = false }
 zenoh-macros = { workspace = true }
 
 [dev-dependencies]
-zenoh = { workspace = true, features = ["unstable"], default-features = true }
 zenoh-config = { workspace = true }
 rand = { workspace = true }
 
diff --git a/zenoh-ext/tests/liveliness.rs b/zenoh-ext/tests/liveliness.rs
index 14b6101f79..aebbc52b5d 100644
--- a/zenoh-ext/tests/liveliness.rs
+++ b/zenoh-ext/tests/liveliness.rs
@@ -11,9 +11,12 @@
 // Contributors:
 //   ZettaScale Zenoh Team, <zenoh@zettascale.tech>
 //
-
-use zenoh::{sample::SampleKind, Wait};
-use zenoh_config::{EndPoint, WhatAmI};
+#![cfg(feature = "unstable")]
+use zenoh::{
+    config::{EndPoint, WhatAmI},
+    sample::SampleKind,
+    Wait,
+};
 
 #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
 async fn test_liveliness_querying_subscriber_clique() {