diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index d0c6c390d5..700885e77c 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -2003,7 +2003,6 @@ dependencies = [
  "codex-utils-oss",
  "codex-utils-sandbox-summary",
  "core_test_support",
- "libc",
  "opentelemetry",
  "opentelemetry_sdk",
  "owo-colors",
diff --git a/codex-rs/exec/Cargo.toml b/codex-rs/exec/Cargo.toml
index 3785235606..df85144ae0 100644
--- a/codex-rs/exec/Cargo.toml
+++ b/codex-rs/exec/Cargo.toml
@@ -58,7 +58,6 @@ assert_cmd = { workspace = true }
 codex-apply-patch = { workspace = true }
 codex-utils-cargo-bin = { workspace = true }
 core_test_support = { workspace = true }
-libc = { workspace = true }
 opentelemetry = { workspace = true }
 opentelemetry_sdk = { workspace = true }
 predicates = { workspace = true }