diff --git a/Cargo.toml b/Cargo.toml
index 7ae94ec..40d9138 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,6 @@ mime = "^0.2"
 openssl = "^0.9"
 base64 = "~0.5.0"
 hex = "^0.2.0"
-rustc-serialize = "^0.3"
 rust-crypto = "^0.2"
 time = "^0.1"
 uuid = { version = "^0.4", features = ["v4"] }