diff --git a/rust-runtime/aws-smithy-client/Cargo.toml b/rust-runtime/aws-smithy-client/Cargo.toml
index 9d8361c2af..56091df0b1 100644
--- a/rust-runtime/aws-smithy-client/Cargo.toml
+++ b/rust-runtime/aws-smithy-client/Cargo.toml
@@ -9,11 +9,11 @@ repository = "https://github.com/awslabs/smithy-rs"
 
 [features]
 rt-tokio = ["aws-smithy-async/rt-tokio"]
-test-util = ["dep:aws-smithy-protocol-test", "dep:serde", "serde?/derive", "rustls"]
+test-util = ["dep:aws-smithy-protocol-test", "dep:serde", "serde/derive", "rustls"]
 native-tls = ["dep:hyper-tls", "client-hyper", "rt-tokio"]
 rustls = ["dep:hyper-rustls", "dep:lazy_static", "client-hyper", "rt-tokio"]
 client-hyper = ["dep:hyper"]
-hyper-webpki-doctest-only = ["dep:hyper-rustls", "hyper-rustls?/webpki-roots"]
+hyper-webpki-doctest-only = ["dep:hyper-rustls", "hyper-rustls/webpki-roots"]
 
 [dependencies]
 aws-smithy-async = { path = "../aws-smithy-async" }
diff --git a/rust-runtime/aws-smithy-http/Cargo.toml b/rust-runtime/aws-smithy-http/Cargo.toml
index 8694632609..1653dc7ba1 100644
--- a/rust-runtime/aws-smithy-http/Cargo.toml
+++ b/rust-runtime/aws-smithy-http/Cargo.toml
@@ -11,7 +11,7 @@ license = "Apache-2.0"
 repository = "https://github.com/awslabs/smithy-rs"
 
 [features]
-rt-tokio = ["dep:tokio-util", "dep:tokio", "tokio?/rt", "tokio?/fs", "tokio?/io-util", "tokio-util?/io"]
+rt-tokio = ["dep:tokio-util", "dep:tokio", "tokio/rt", "tokio/fs", "tokio/io-util", "tokio-util/io"]
 event-stream = ["aws-smithy-eventstream"]
 
 [dependencies]