diff --git a/crates/tor-error/Cargo.toml b/crates/tor-error/Cargo.toml
index 2375d944f..d098a472b 100644
--- a/crates/tor-error/Cargo.toml
+++ b/crates/tor-error/Cargo.toml
@@ -9,7 +9,7 @@ homepage = "https://gitlab.torproject.org/tpo/core/arti/-/wikis/home"
 description = "Provides the unified type-erased error type returned by many (esp. high-level) Tor APIs."
 keywords = ["tor", "arti"]
 repository = "https://gitlab.torproject.org/tpo/core/arti.git/"
-categories = ["tor"]
+categories = ["rust-patterns"]
 
 [features]
 default = ["backtrace"]
diff --git a/crates/tor-rtcompat/src/lib.rs b/crates/tor-rtcompat/src/lib.rs
index 3ed74c724..f09adcd40 100644
--- a/crates/tor-rtcompat/src/lib.rs
+++ b/crates/tor-rtcompat/src/lib.rs
@@ -179,6 +179,7 @@ pub mod scheduler;
 mod timer;
 mod traits;
 
+#[cfg(any(feature = "async-std", feature = "tokio"))]
 use std::io;
 pub use traits::{
     BlockOn, CertifiedConn, Runtime, SleepProvider, TcpListener, TcpProvider, TlsProvider,