diff --git a/codex-rs/core/tests/suite/credential_broker.rs b/codex-rs/core/tests/suite/credential_broker.rs
deleted file mode 100644
index 3830545dc1..0000000000
--- a/codex-rs/core/tests/suite/credential_broker.rs
+++ /dev/null
@@ -1,145 +0,0 @@
-use anyhow::Result;
-use codex_features::Feature;
-use codex_protocol::protocol::AskForApproval;
-use codex_protocol::protocol::EventMsg;
-use codex_protocol::protocol::Op;
-use codex_protocol::user_input::UserInput;
-use core_test_support::responses::ev_assistant_message;
-use core_test_support::responses::ev_completed;
-use core_test_support::responses::ev_function_call;
-use core_test_support::responses::ev_response_created;
-use core_test_support::responses::mount_sse_sequence;
-use core_test_support::responses::sse;
-use core_test_support::skip_if_sandbox;
-use core_test_support::skip_if_target_windows;
-use core_test_support::test_codex::TestCodexHarness;
-use core_test_support::test_codex::local_selections;
-use core_test_support::test_codex::test_codex;
-use core_test_support::test_codex::turn_permission_fields;
-use core_test_support::wait_for_event;
-use core_test_support::wait_for_event_match;
-use pretty_assertions::assert_eq;
-use serde_json::json;
-use std::collections::HashMap;
-use std::fs;
-use std::sync::Arc;
-use tempfile::TempDir;
-
-const REAL_OPENAI_API_KEY: &str =
-    "sk-proj-abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn configured_credential_broker_virtualizes_child_environment() -> Result<()> {
-    skip_if_target_windows!(Ok(()), "uses a POSIX shell command");
-    skip_if_sandbox!(Ok(()));
-
-    let home = Arc::new(TempDir::new()?);
-    fs::write(
-        home.path().join("config.toml"),
-        r#"
-default_permissions = "workspace"
-
-[features.network_proxy]
-credential_broker = true
-
-[permissions.workspace.filesystem]
-":minimal" = "read"
-
-[permissions.workspace.network]
-enabled = true
-mode = "full"
-"#,
-    )?;
-    let builder = test_codex().with_home(home).with_config(|config| {
-        config.use_experimental_unified_exec_tool = true;
-        config
-            .features
-            .enable(Feature::UnifiedExec)
-            .expect("test config should allow feature update");
-        config.permissions.shell_environment_policy.r#set = HashMap::from([(
-            "OPENAI_API_KEY".to_string(),
-            REAL_OPENAI_API_KEY.to_string(),
-        )]);
-    });
-    let harness = TestCodexHarness::with_auto_env_builder(builder).await?;
-    let test = harness.test();
-
-    assert!(test.config.features.enabled(Feature::NetworkProxy));
-    assert!(
-        test.config.permissions.network.is_some(),
-        "credential broker config should start the managed network proxy"
-    );
-
-    let call_id = "credential-broker-child-env";
-    let args = json!({
-        "cmd": "printf '%s\\n%s' \"$OPENAI_API_KEY\" \"$CODEX_NETWORK_PROXY_CREDENTIAL_BROKER_ACTIVE\"",
-        "yield_time_ms": 1_000,
-    });
-    let responses = vec![
-        sse(vec![
-            ev_response_created("resp-1"),
-            ev_function_call(call_id, "exec_command", &serde_json::to_string(&args)?),
-            ev_completed("resp-1"),
-        ]),
-        sse(vec![
-            ev_response_created("resp-2"),
-            ev_assistant_message("msg-1", "done"),
-            ev_completed("resp-2"),
-        ]),
-    ];
-    mount_sse_sequence(harness.server(), responses).await;
-
-    let session_model = test.session_configured.model.clone();
-    let cwd = test.config.cwd.clone();
-    let (sandbox_policy, permission_profile) = turn_permission_fields(
-        test.config.permissions.permission_profile().clone(),
-        cwd.as_path(),
-    );
-    test.codex
-        .submit(Op::UserInput {
-            items: vec![UserInput::Text {
-                text: "show the brokered child credential".into(),
-                text_elements: Vec::new(),
-            }],
-            final_output_json_schema: None,
-            responsesapi_client_metadata: None,
-            additional_context: Default::default(),
-            thread_settings: codex_protocol::protocol::ThreadSettingsOverrides {
-                environments: Some(local_selections(cwd)),
-                approval_policy: Some(AskForApproval::Never),
-                sandbox_policy: Some(sandbox_policy),
-                permission_profile,
-                collaboration_mode: Some(codex_protocol::config_types::CollaborationMode {
-                    mode: codex_protocol::config_types::ModeKind::Default,
-                    settings: codex_protocol::config_types::Settings {
-                        model: session_model,
-                        reasoning_effort: None,
-                        developer_instructions: None,
-                    },
-                }),
-                ..Default::default()
-            },
-        })
-        .await?;
-
-    let end = wait_for_event_match(&test.codex, |event| match event {
-        EventMsg::ExecCommandEnd(event) if event.call_id == call_id => Some(event.clone()),
-        _ => None,
-    })
-    .await;
-    wait_for_event(&test.codex, |event| {
-        matches!(event, EventMsg::TurnComplete(_))
-    })
-    .await;
-
-    assert_eq!(end.exit_code, 0);
-    let output = end.aggregated_output.trim().lines().collect::<Vec<_>>();
-    assert_eq!(output.len(), 2, "unexpected command output: {output:?}");
-    let brokered_openai_api_key = output[0];
-    assert_ne!(brokered_openai_api_key, REAL_OPENAI_API_KEY);
-    assert!(brokered_openai_api_key.starts_with("sk-proj-"));
-    assert_eq!(brokered_openai_api_key.len(), REAL_OPENAI_API_KEY.len());
-    assert_eq!(output[1], "1");
-
-    Ok(())
-}
diff --git a/codex-rs/core/tests/suite/mod.rs b/codex-rs/core/tests/suite/mod.rs
index 518883f44b..3e27463370 100644
--- a/codex-rs/core/tests/suite/mod.rs
+++ b/codex-rs/core/tests/suite/mod.rs
@@ -48,7 +48,6 @@ mod compact;
 mod compact_remote;
 mod compact_remote_parity;
 mod compact_resume_fork;
-mod credential_broker;
 mod current_time_reminder;
 mod deprecation_notice;
 mod exec;