diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 8e2d163876..29be64f9a9 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -1644,7 +1644,6 @@ name = "codex-protocol"
 version = "0.0.0"
 dependencies = [
  "anyhow",
- "base64",
  "codex-git",
  "codex-utils-absolute-path",
  "codex-utils-image",
diff --git a/codex-rs/protocol/Cargo.toml b/codex-rs/protocol/Cargo.toml
index c6c0e6e970..19ec1fcc36 100644
--- a/codex-rs/protocol/Cargo.toml
+++ b/codex-rs/protocol/Cargo.toml
@@ -15,7 +15,6 @@ workspace = true
 codex-git = { workspace = true }
 codex-utils-absolute-path = { workspace = true }
 codex-utils-image = { workspace = true }
-base64 = { workspace = true }
 icu_decimal = { workspace = true }
 icu_locale_core = { workspace = true }
 icu_provider = { workspace = true, features = ["sync"] }