diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 6870378c7b..fa8476287f 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -1718,7 +1718,6 @@ dependencies = [
  "landlock",
  "libc",
  "maplit",
- "multimap",
  "notify",
  "once_cell",
  "openssl-sys",
diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index 4b3d883668..05131ff59b 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -63,7 +63,6 @@ indexmap = { workspace = true }
 indoc = { workspace = true }
 keyring = { workspace = true, features = ["crypto-rust"] }
 libc = { workspace = true }
-multimap = { workspace = true }
 notify = { workspace = true }
 once_cell = { workspace = true }
 os_info = { workspace = true }