diff --git a/tests/source/issue-2927-2.rs b/tests/source/issue-2927-2.rs
index d87761fdc9c37..07afef38cf5a9 100644
--- a/tests/source/issue-2927-2.rs
+++ b/tests/source/issue-2927-2.rs
@@ -1,5 +1,5 @@
 // rustfmt-edition: 2015
-#![feature(rust_2018_preview, uniform_paths)]
+#![feature(uniform_paths)]
 use futures::prelude::*;
 use http_03::cli::Cli;
 use hyper::{service::service_fn_ok, Body, Response, Server};
diff --git a/tests/source/issue-2927.rs b/tests/source/issue-2927.rs
index a7df32084f3b6..c7ec7bb085550 100644
--- a/tests/source/issue-2927.rs
+++ b/tests/source/issue-2927.rs
@@ -1,5 +1,5 @@
 // rustfmt-edition: 2018
-#![feature(rust_2018_preview, uniform_paths)]
+#![feature(uniform_paths)]
 use futures::prelude::*;
 use http_03::cli::Cli;
 use hyper::{service::service_fn_ok, Body, Response, Server};
diff --git a/tests/target/issue-2927-2.rs b/tests/target/issue-2927-2.rs
index e895783ba8bb4..46e0bf0e989e6 100644
--- a/tests/target/issue-2927-2.rs
+++ b/tests/target/issue-2927-2.rs
@@ -1,5 +1,5 @@
 // rustfmt-edition: 2015
-#![feature(rust_2018_preview, uniform_paths)]
+#![feature(uniform_paths)]
 use futures::prelude::*;
 use http_03::cli::Cli;
 use hyper::{service::service_fn_ok, Body, Response, Server};
diff --git a/tests/target/issue-2927.rs b/tests/target/issue-2927.rs
index 3267be28d7b70..56afc2d3e40aa 100644
--- a/tests/target/issue-2927.rs
+++ b/tests/target/issue-2927.rs
@@ -1,5 +1,5 @@
 // rustfmt-edition: 2018
-#![feature(rust_2018_preview, uniform_paths)]
+#![feature(uniform_paths)]
 use ::log::{error, info, log};
 use futures::prelude::*;
 use http_03::cli::Cli;