diff --git a/src/args.rs b/src/args.rs
index 9dbb57d..46f10c7 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -1,11 +1,11 @@
-use clap::{crate_version, App, Arg};
+
 use failure::Fallible;
 use log::*;
 use serde::{Deserialize, Serialize};
-use std::ffi::OsStr;
+
 use std::ffi::OsString;
 use std::iter::IntoIterator;
-use std::process::Command;
+
 use structopt::StructOpt;
 fn is_default<T: Default + PartialEq>(t: &T) -> bool {
     t == &T::default()
diff --git a/src/bin/rga-preproc.rs b/src/bin/rga-preproc.rs
index a06eb01..38448ce 100644
--- a/src/bin/rga-preproc.rs
+++ b/src/bin/rga-preproc.rs
@@ -1,10 +1,10 @@
-use clap::{crate_version, App, Arg};
 
-use failure::{format_err, Error, Fallible};
-use log::*;
+
+use failure::{format_err, Fallible};
+
 use rga::adapters::*;
 use rga::preproc::*;
-use std::env;
+
 use std::fs::File;
 use std::io::BufReader;
 fn main() -> Fallible<()> {
diff --git a/src/bin/rga.rs b/src/bin/rga.rs
index 81c102b..d006970 100644
--- a/src/bin/rga.rs
+++ b/src/bin/rga.rs
@@ -1,10 +1,10 @@
-use clap::{crate_version, App, Arg};
+
 use failure::Fallible;
 use log::*;
 use rga::adapters::spawning::map_exe_error;
 use rga::adapters::*;
 use rga::args::*;
-use serde::{Deserialize, Serialize};
+
 use std::ffi::OsString;
 use std::process::Command;
 use structopt::StructOpt;