diff --git a/Cargo.toml b/Cargo.toml
index 1d4e100..fa3e466 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,10 +17,6 @@ exclude = ["/.*"]
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "docsrs"]
 
-[features]
-default = ["std"]
-std = []
-
 [dependencies]
 cfg-if = "1"
 tracing = { version = "0.1.37", default-features = false }
diff --git a/src/lib.rs b/src/lib.rs
index ef87702..cd144dd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -53,8 +53,6 @@
 //! # std::io::Result::Ok(())
 //! ```
 
-#![cfg(feature = "std")]
-#![cfg_attr(not(feature = "std"), no_std)]
 #![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]
 #![allow(clippy::useless_conversion, clippy::unnecessary_cast, unused_unsafe)]
 #![cfg_attr(docsrs, feature(doc_cfg))]