diff --git a/fb303/thrift/Cargo.toml b/fb303/thrift/Cargo.toml
index 851bde72c..30924045a 100644
--- a/fb303/thrift/Cargo.toml
+++ b/fb303/thrift/Cargo.toml
@@ -20,7 +20,6 @@ anyhow = "1.0.95"
 codegen_includer_proc_macro = { version = "0.1.0", git = "https://github.com/facebookexperimental/rust-shed.git", branch = "main" }
 fbthrift = { version = "0.0.1+unstable", git = "https://github.com/facebook/fbthrift.git", branch = "main" }
 futures = { version = "0.3.30", features = ["async-await", "compat"] }
-once_cell = "1.12"
 ref-cast = "1.0.18"
 serde = { version = "1.0.185", features = ["derive", "rc"] }
 serde_derive = "1.0.185"