1 files changed, 3 insertions, 61 deletions
diff --git a/library/std/src/io/impls.rs b/library/std/src/io/impls.rs
index 01dff0b3eb3..e09e7ba978e 100644
--- a/library/std/src/io/impls.rs
+++ b/library/std/src/io/impls.rs
@@ -1,3 +1,6 @@
+#[cfg(test)]
+mod tests;
+
 use crate::cmp;
 use crate::fmt;
 use crate::io::{
@@ -397,64 +400,3 @@ impl Write for Vec<u8> {
         Ok(())
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use crate::io::prelude::*;
-
-    #[bench]
-    fn bench_read_slice(b: &mut test::Bencher) {
-        let buf = [5; 1024];
-        let mut dst = [0; 128];
-
-        b.iter(|| {
-            let mut rd = &buf[..];
-            for _ in 0..8 {
-                let _ = rd.read(&mut dst);
-                test::black_box(&dst);
-            }
-        })
-    }
-
-    #[bench]
-    fn bench_write_slice(b: &mut test::Bencher) {
-        let mut buf = [0; 1024];
-        let src = [5; 128];
-
-        b.iter(|| {
-            let mut wr = &mut buf[..];
-            for _ in 0..8 {
-                let _ = wr.write_all(&src);
-                test::black_box(&wr);
-            }
-        })
-    }
-
-    #[bench]
-    fn bench_read_vec(b: &mut test::Bencher) {
-        let buf = vec![5; 1024];
-        let mut dst = [0; 128];
-
-        b.iter(|| {
-            let mut rd = &buf[..];
-            for _ in 0..8 {
-                let _ = rd.read(&mut dst);
-                test::black_box(&dst);
-            }
-        })
-    }
-
-    #[bench]
-    fn bench_write_vec(b: &mut test::Bencher) {
-        let mut buf = Vec::with_capacity(1024);
-        let src = [5; 128];
-
-        b.iter(|| {
-            let mut wr = &mut buf[..];
-            for _ in 0..8 {
-                let _ = wr.write_all(&src);
-                test::black_box(&wr);
-            }
-        })
-    }
-}