diff --git a/src/lib.rs b/src/lib.rs
index 5c8aba6d44..f67a718ba7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,6 @@
 #![feature(yeet_expr)]
 #![feature(nonzero_ops)]
 #![feature(local_key_cell_methods)]
-#![feature(is_terminal)]
 #![feature(round_ties_even)]
 // Configure clippy and other lints
 #![allow(
diff --git a/tests/pass/shims/fs.rs b/tests/pass/shims/fs.rs
index 7a9974f393..e379288de0 100644
--- a/tests/pass/shims/fs.rs
+++ b/tests/pass/shims/fs.rs
@@ -3,7 +3,6 @@
 
 #![feature(io_error_more)]
 #![feature(io_error_uncategorized)]
-#![feature(is_terminal)]
 
 use std::collections::HashMap;
 use std::ffi::{c_char, OsString};
diff --git a/tests/pass/shims/io.rs b/tests/pass/shims/io.rs
index 4d43549a93..295723957a 100644
--- a/tests/pass/shims/io.rs
+++ b/tests/pass/shims/io.rs
@@ -1,5 +1,3 @@
-#![feature(is_terminal)]
-
 use std::io::IsTerminal;
 
 fn main() {