diff --git a/.bazelrc b/.bazelrc
index b9275426fa..91ae7915e7 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -80,6 +80,7 @@ build:clippy --@rules_rust//rust/settings:clippy.toml=//codex-rs:clippy.toml
 # Shared config for Bazel-backed argument-comment-lint.
 build:argument-comment-lint --aspects=//tools/argument-comment-lint:lint_aspect.bzl%rust_argument_comment_lint_aspect
 build:argument-comment-lint --output_groups=argument_comment_lint_checks
+build:argument-comment-lint --build_manual_tests
 build:argument-comment-lint --@rules_rust//rust/toolchain/channel=nightly
 
 # Rearrange caches on Windows so they're on the same volume as the checkout.
diff --git a/tools/argument-comment-lint/README.md b/tools/argument-comment-lint/README.md
index 78e28f308f..49efd344e1 100644
--- a/tools/argument-comment-lint/README.md
+++ b/tools/argument-comment-lint/README.md
@@ -138,7 +138,9 @@ If no package selection is provided, `just argument-comment-lint` now defaults
 to the Bazel aspect path over `//codex-rs/...`. The Python wrappers remain the
 package-scoped escape hatch and still default the underlying Cargo invocation
 to `--all-targets` unless you explicitly narrow the target set, so targeted
-wrapper runs cover test-only call sites by default.
+wrapper runs cover test-only call sites by default. The Bazel config also sets
+`--build_manual_tests` so wildcard lint runs include the internal
+`*-unit-tests-bin` Rust targets and catch inline `#[cfg(test)]` call sites.
 
 Repo runs also promote `uncommented_anonymous_literal_argument` to an error by
 default: