diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index 56815ba03c..11eb2731e6 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -6,6 +6,7 @@ version = { workspace = true }
 [lib]
 name = "codex_core"
 path = "src/lib.rs"
+doctest = false
 
 [lints]
 workspace = true