diff --git a/tests-fuzz/Cargo.toml b/tests-fuzz/Cargo.toml
index 4f2f13b716df..b120ab4fd6fd 100644
--- a/tests-fuzz/Cargo.toml
+++ b/tests-fuzz/Cargo.toml
@@ -10,6 +10,10 @@ workspace = true
 [package.metadata]
 cargo-fuzz = true
 
+[features]
+default = []
+unstable = ["nix"]
+
 [dependencies]
 arbitrary = { version = "1.3.0", features = ["derive"] }
 async-trait = { workspace = true }
@@ -24,7 +28,7 @@ derive_builder = { workspace = true }
 dotenv = "0.15"
 lazy_static = { workspace = true }
 libfuzzer-sys = "0.4"
-nix = { version = "0.28", features = ["process", "signal"] }
+nix = { version = "0.28", features = ["process", "signal"], optional = true }
 partition = { workspace = true }
 rand = { workspace = true }
 rand_chacha = "0.3.1"
@@ -80,3 +84,4 @@ path = "targets/unstable/fuzz_create_table_standalone.rs"
 test = false
 bench = false
 doc = false
+required-features = ["unstable"]
diff --git a/tests-fuzz/src/utils.rs b/tests-fuzz/src/utils.rs
index 86ffb13c212e..ed837ed35c4d 100644
--- a/tests-fuzz/src/utils.rs
+++ b/tests-fuzz/src/utils.rs
@@ -14,6 +14,7 @@
 
 pub mod config;
 pub mod health;
+#[cfg(feature = "unstable")]
 pub mod process;
 
 use std::env;
diff --git a/tests-fuzz/src/utils/health.rs b/tests-fuzz/src/utils/health.rs
index e66da062712f..f4cbf2cb7710 100644
--- a/tests-fuzz/src/utils/health.rs
+++ b/tests-fuzz/src/utils/health.rs
@@ -15,7 +15,14 @@
 use std::time::Duration;
 
 use crate::utils::info;
-use crate::utils::process::HealthChecker;
+
+/// Check health of the processing.
+#[async_trait::async_trait]
+pub trait HealthChecker: Send + Sync {
+    async fn check(&self);
+
+    fn wait_timeout(&self) -> Duration;
+}
 
 /// Http health checker.
 pub struct HttpHealthChecker {
diff --git a/tests-fuzz/src/utils/process.rs b/tests-fuzz/src/utils/process.rs
index 7d3ce1968b1b..b3b03c042b2b 100644
--- a/tests-fuzz/src/utils/process.rs
+++ b/tests-fuzz/src/utils/process.rs
@@ -27,6 +27,7 @@ use tokio::fs::OpenOptions;
 use tokio::process::Child;
 
 use crate::error::{self, Result};
+use crate::utils::health::HealthChecker;
 
 pub type Pid = u32;
 
@@ -142,14 +143,6 @@ impl ProcessManager {
     }
 }
 
-/// Check health of the processing.
-#[async_trait::async_trait]
-pub trait HealthChecker: Send + Sync {
-    async fn check(&self);
-
-    fn wait_timeout(&self) -> Duration;
-}
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum ProcessState {
     NotSpawn,