diff --git a/codex-rs/core/tests/common/test_codex.rs b/codex-rs/core/tests/common/test_codex.rs
index a25b835a90..de3a31b673 100644
--- a/codex-rs/core/tests/common/test_codex.rs
+++ b/codex-rs/core/tests/common/test_codex.rs
@@ -1339,10 +1339,6 @@ pub fn test_codex() -> TestCodexBuilder {
                 .features
                 .disable(Feature::ShellSnapshot)
                 .expect("test config should allow ShellSnapshot override");
-            config
-                .features
-                .enable(Feature::ContentItemKinds)
-                .expect("test config should allow ContentItemKinds override");
         })],
         auth: CodexAuth::from_api_key("dummy"),
         pre_build_hooks: vec![],
diff --git a/codex-rs/features/src/lib.rs b/codex-rs/features/src/lib.rs
index 29abf70c52..fd00597734 100644
--- a/codex-rs/features/src/lib.rs
+++ b/codex-rs/features/src/lib.rs
@@ -922,8 +922,8 @@ pub const FEATURES: &[FeatureSpec] = &[
     FeatureSpec {
         id: Feature::ContentItemKinds,
         key: "content_item_kinds",
-        stage: Stage::UnderDevelopment,
-        default_enabled: false,
+        stage: Stage::Stable,
+        default_enabled: true,
     },
     FeatureSpec {
         id: Feature::ExecutedToolCallMetadata,