diff --git a/src/bin/proxmox-backup-client.rs b/src/bin/proxmox-backup-client.rs
index f5ae7490..ff1196a0 100644
--- a/src/bin/proxmox-backup-client.rs
+++ b/src/bin/proxmox-backup-client.rs
@@ -2,7 +2,7 @@ extern crate proxmox_backup;
 
 use failure::*;
 //use std::os::unix::io::AsRawFd;
-use chrono::{DateTime, Local, TimeZone};
+use chrono::{Local, TimeZone};
 use std::path::{Path, PathBuf};
 use std::collections::HashMap;
 
@@ -18,7 +18,7 @@ use proxmox_backup::backup::*;
 //use proxmox_backup::backup::datastore::*;
 
 use serde_json::{json, Value};
-use hyper::Body;
+//use hyper::Body;
 use std::sync::Arc;
 use regex::Regex;
 use xdg::BaseDirectories;
@@ -127,7 +127,7 @@ fn backup_directory<P: AsRef<Path>>(
     // spawn chunker inside a separate task so that it can run parallel
     tokio::spawn(
         tx.send_all(chunk_stream.then(|r| Ok(r)))
-            .map_err(|e| {}).map(|_| ())
+            .map_err(|_| {}).map(|_| ())
     );
 
     client.upload_stream(archive_name, stream, "dynamic", None).wait()?;
@@ -141,7 +141,7 @@ fn backup_image<P: AsRef<Path>>(
     archive_name: &str,
     image_size: u64,
     chunk_size: Option<usize>,
-    verbose: bool,
+    _verbose: bool,
 ) -> Result<(), Error> {
 
     let path = image_path.as_ref().to_owned();
diff --git a/src/pxar/encoder.rs b/src/pxar/encoder.rs
index c40209cf..9ed4f2c7 100644
--- a/src/pxar/encoder.rs
+++ b/src/pxar/encoder.rs
@@ -880,7 +880,7 @@ fn detect_fs_type(fd: RawFd) -> Result<i64, Error> {
 use nix::{convert_ioctl_res, request_code_read, ioc};
 
 // /usr/include/linux/fs.h: #define FS_IOC_GETFLAGS _IOR('f', 1, long)
-/// read Linux file system attributes (see man chattr)
+// read Linux file system attributes (see man chattr)
 nix::ioctl_read!(read_attr_fd, b'f', 1, usize);
 
 // /usr/include/linux/msdos_fs.h: #define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32)
diff --git a/src/tools.rs b/src/tools.rs
index 33f56611..d4c97235 100644
--- a/src/tools.rs
+++ b/src/tools.rs
@@ -211,7 +211,6 @@ pub fn file_set_contents_full<P: AsRef<Path>>(
         }
     }
 
-    use std::os::unix::io::FromRawFd;
     let mut file = unsafe { File::from_raw_fd(fd) };
 
     if let Err(err) = file.write_all(data) {
@@ -765,7 +764,6 @@ nix::ioctl_read!(blkgetsize64, 0x12, 114, u64);
 /// Return file or block device size
 pub fn image_size(path: &Path) -> Result<u64, Error> {
 
-    use std::os::unix::io::AsRawFd;
     use std::os::unix::fs::FileTypeExt;
 
     let file = std::fs::File::open(path)?;