diff --git a/src/read_utils.rs b/src/read_utils.rs
index 54befdd21..73fcf67e6 100644
--- a/src/read_utils.rs
+++ b/src/read_utils.rs
@@ -20,10 +20,10 @@ use crate::{
 use failure::{format_err, ResultExt};
 use log::info;
 use serde::Deserialize;
-use std::collections::BTreeMap;
-use std::fs::File;
 use std::path;
 use std::path::{Path, PathBuf};
+use std::{collections::BTreeMap, io::Read};
+use std::{fs::File, io::Seek};
 use typed_index_collection::{CollectionWithId, Id};
 
 #[derive(Deserialize, Debug)]
@@ -97,7 +97,7 @@ pub(crate) trait FileHandler
 where
     Self: std::marker::Sized,
 {
-    type Reader: std::io::Read;
+    type Reader: Read;
 
     fn get_file_if_exists(self, name: &str) -> Result<(Option<Self::Reader>, PathBuf)>;
 
@@ -142,7 +142,7 @@ impl<'a, P: AsRef<Path>> FileHandler for &'a mut PathFileHandler<P> {
 /// Unlike ZipArchive, it gives access to a file by its name not regarding its path in the ZipArchive
 /// It thus cannot be correct if there are 2 files with the same name in the archive,
 /// but for transport data if will make it possible to handle a zip with a sub directory
-pub(crate) struct ZipHandler<R: std::io::Seek + std::io::Read> {
+pub(crate) struct ZipHandler<R: Seek + Read> {
     archive: zip::ZipArchive<R>,
     archive_path: PathBuf,
     index_by_name: BTreeMap<String, usize>,
@@ -150,7 +150,7 @@ pub(crate) struct ZipHandler<R: std::io::Seek + std::io::Read> {
 
 impl<R> ZipHandler<R>
 where
-    R: std::io::Seek + std::io::Read,
+    R: Seek + Read,
 {
     pub(crate) fn new<P: AsRef<Path>>(r: R, path: P) -> Result<Self> {
         let mut archive = zip::ZipArchive::new(r)?;
@@ -176,7 +176,7 @@ where
 
 impl<'a, R> FileHandler for &'a mut ZipHandler<R>
 where
-    R: std::io::Seek + std::io::Read,
+    R: Seek + Read,
 {
     type Reader = zip::read::ZipFile<'a>;
     fn get_file_if_exists(self, name: &str) -> Result<(Option<Self::Reader>, PathBuf)> {