1 files changed, 2 insertions, 13 deletions
diff --git a/src/error_impls.rs b/src/error_impls.rs
index 007472e..61f46d2 100644
--- a/src/error_impls.rs
+++ b/src/error_impls.rs
@@ -5,24 +5,13 @@
 // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
+#![cfg_attr(docsrs, doc(cfg(feature = "std")))]
 extern crate std;
 
-use crate::{error::UNKNOWN_IO_ERROR, Error};
+use crate::Error;
 use core::convert::From;
-use core::num::NonZeroU32;
 use std::io;
 
-impl From<io::Error> for Error {
-    fn from(err: io::Error) -> Self {
-        if let Some(errno) = err.raw_os_error() {
-            if let Some(code) = NonZeroU32::new(errno as u32) {
-                return Error::from(code);
-            }
-        }
-        UNKNOWN_IO_ERROR
-    }
-}
-
 impl From<Error> for io::Error {
     fn from(err: Error) -> Self {
         match err.raw_os_error() {