diff --git a/codex-rs/linux-sandbox/tests/landlock.rs b/codex-rs/linux-sandbox/tests/landlock.rs
index c7081dbca2..76de2547a6 100644
--- a/codex-rs/linux-sandbox/tests/landlock.rs
+++ b/codex-rs/linux-sandbox/tests/landlock.rs
@@ -11,9 +11,7 @@ use codex_core::exec_env::create_env;
 use codex_core::protocol::SandboxPolicy;
 use std::collections::HashMap;
 use std::path::PathBuf;
-use std::sync::Arc;
 use tempfile::NamedTempFile;
-use tokio::sync::Notify;
 
 // At least on GitHub CI, the arm64 tests appear to need longer timeouts.
 
@@ -59,11 +57,9 @@ async fn run_cmd(cmd: &[&str], writable_roots: &[PathBuf], timeout_ms: u64) {
     };
     let sandbox_program = env!("CARGO_BIN_EXE_codex-linux-sandbox");
     let codex_linux_sandbox_exe = Some(PathBuf::from(sandbox_program));
-    let ctrl_c = Arc::new(Notify::new());
     let res = process_exec_tool_call(
         params,
         SandboxType::LinuxSeccomp,
-        ctrl_c,
         &sandbox_policy,
         &codex_linux_sandbox_exe,
         None,
@@ -150,13 +146,11 @@ async fn assert_network_blocked(cmd: &[&str]) {
     };
 
     let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let ctrl_c = Arc::new(Notify::new());
     let sandbox_program = env!("CARGO_BIN_EXE_codex-linux-sandbox");
     let codex_linux_sandbox_exe: Option<PathBuf> = Some(PathBuf::from(sandbox_program));
     let result = process_exec_tool_call(
         params,
         SandboxType::LinuxSeccomp,
-        ctrl_c,
         &sandbox_policy,
         &codex_linux_sandbox_exe,
         None,