diff --git a/src/client/mod.rs b/src/client/mod.rs
index 13fb2a1..944bc39 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -3,7 +3,6 @@ use std::{fs::File, io::BufReader, sync::Arc};
 
 use crate::{common::decode, Config};
 
-use anyhow;
 use libpt::log::{error, info, trace};
 use rustls_pemfile::certs;
 use tokio::{
@@ -15,7 +14,6 @@ use tokio_rustls::{
     rustls::{self, pki_types},
     TlsConnector,
 };
-use webpki_roots;
 
 const BUF_SIZE: usize = 512;
 
diff --git a/src/common/args.rs b/src/common/args.rs
index 64c8d2b..efc7903 100644
--- a/src/common/args.rs
+++ b/src/common/args.rs
@@ -6,11 +6,11 @@ use clap::Parser;
 use clap_verbosity_flag::{InfoLevel, Verbosity};
 
 /// short about section displayed in help
-const ABOUT_ROOT: &'static str = r##"
+const ABOUT_ROOT: &str = r##"
 Let your hosts play ping pong over the network
 "##;
 /// longer about section displayed in help, is combined with [the short help](ABOUT_ROOT)
-static LONG_ABOUT_ROOT: &'static str = r##"
+static LONG_ABOUT_ROOT: &str = r##"
 
     Connect to a ping pong server and periodically send a ping. The server will reply with a pong.
     That's it really. You can also host your own netpong server (server feature).
@@ -79,6 +79,6 @@ impl Cli {
             // less verbose version
             Logger::init_mini(Some(ll)).expect("could not initialize Logger");
         }
-        return cli;
+        cli
     }
 }
diff --git a/src/common/mod.rs b/src/common/mod.rs
index 098dde5..2802bbc 100644
--- a/src/common/mod.rs
+++ b/src/common/mod.rs
@@ -7,7 +7,7 @@ pub mod conf;
 pub fn decode(buf: &[u8]) -> Result<String, Utf8Error> {
     Ok(match std::str::from_utf8(buf) {
         Ok(s) => s.to_string(),
-        Err(err) => return Err(err.into()),
+        Err(err) => return Err(err),
     }
     .trim_matches(char::from(0))
     .to_string())
diff --git a/src/main.rs b/src/main.rs
index 5c73f3c..73e63e1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,7 +5,6 @@
 
 use anyhow::Result;
 use libpt::log::*;
-use tokio;
 
 mod client;
 mod common;
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 007a95a..de3f82d 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -109,10 +109,10 @@ impl Server {
             error!("the server needs a key!");
             return Err(std::io::ErrorKind::InvalidInput.into());
         }
-        let key = private_key(&mut std::io::BufReader::new(File::open(
+
+        private_key(&mut std::io::BufReader::new(File::open(
             cfg.key.clone().unwrap(),
-        )?));
-        return key;
+        )?))
     }
 
     fn load_certs(cfg: Config) -> std::io::Result<Vec<CertificateDer<'static>>> {
@@ -121,18 +121,18 @@ impl Server {
             return Err(std::io::ErrorKind::InvalidInput.into());
         }
         match certs(&mut std::io::BufReader::new(File::open(
-            &cfg.certs.clone().unwrap(),
+            cfg.certs.clone().unwrap(),
         )?))
         .collect::<std::io::Result<Vec<CertificateDer<'static>>>>()
         {
             Ok(v) if !v.is_empty() => Ok(v),
             Ok(_) => {
                 error!("no certs found in provided file {:?}", cfg.certs);
-                return Err(std::io::ErrorKind::InvalidInput.into());
+                Err(std::io::ErrorKind::InvalidInput.into())
             }
             Err(err) => {
                 error!("could not load certs: {err:?}");
-                return Err(err);
+                Err(err)
             }
         }
     }