diff --git a/Cargo.toml b/Cargo.toml
index 3c5597c..d49790b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,6 @@ accept-string-booleans = []
 curl = ["oauth2/curl"]
 default = ["reqwest", "rustls-tls"]
 native-tls = ["oauth2/native-tls"]
-nightly = []
 reqwest = ["oauth2/reqwest"]
 reqwest-blocking = ["oauth2/reqwest-blocking"]
 rustls-tls = ["oauth2/rustls-tls"]