diff --git a/src/daemon/mod.rs b/src/daemon/mod.rs
index a8d201d..66fca0f 100644
--- a/src/daemon/mod.rs
+++ b/src/daemon/mod.rs
@@ -158,15 +158,15 @@ fn redirect_stdio_to_devnull() -> Result<(), DaemonError> {
     unsafe {
         // Redirect stdin (fd 0)
         if libc::dup2(devnull_fd, 0) < 0 {
-            return Err(DaemonError::RedirectFailed(nix::errno::Errno::last()));
+            return Err(DaemonError::RedirectFailed(Errno::last()));
         }
         // Redirect stdout (fd 1)
         if libc::dup2(devnull_fd, 1) < 0 {
-            return Err(DaemonError::RedirectFailed(nix::errno::Errno::last()));
+            return Err(DaemonError::RedirectFailed(Errno::last()));
         }
         // Redirect stderr (fd 2)
         if libc::dup2(devnull_fd, 2) < 0 {
-            return Err(DaemonError::RedirectFailed(nix::errno::Errno::last()));
+            return Err(DaemonError::RedirectFailed(Errno::last()));
         }
     }
 
diff --git a/src/transport/middle_proxy/fairness/mod.rs b/src/transport/middle_proxy/fairness/mod.rs
index 1b03f87..58eb890 100644
--- a/src/transport/middle_proxy/fairness/mod.rs
+++ b/src/transport/middle_proxy/fairness/mod.rs
@@ -7,7 +7,7 @@ mod model;
 mod pressure;
 mod scheduler;
 
-pub(crate) use model::{
-    AdmissionDecision, DispatchAction, DispatchFeedback, PressureState, SchedulerDecision,
-};
+#[cfg(test)]
+pub(crate) use model::PressureState;
+pub(crate) use model::{AdmissionDecision, DispatchAction, DispatchFeedback, SchedulerDecision};
 pub(crate) use scheduler::{WorkerFairnessConfig, WorkerFairnessSnapshot, WorkerFairnessState};