diff --git a/Cargo.toml b/Cargo.toml
index 4b128ea..d4cfb70 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "hai"
 version = "0.1.0"
 authors = ["April Faye John <april.john@denic.de>"]
-edition = "2024"
+edition = "2021"
 publish = false
 license = "AGPL-3.0-or-later"
 
diff --git a/rustfmt.toml b/rustfmt.toml
deleted file mode 100644
index c5cf55d..0000000
--- a/rustfmt.toml
+++ /dev/null
@@ -1 +0,0 @@
-style_edition = "2024"
\ No newline at end of file
diff --git a/src/gui.rs b/src/gui.rs
index fd895a7..7021b7e 100644
--- a/src/gui.rs
+++ b/src/gui.rs
@@ -6,6 +6,7 @@
 use egui::{TextureOptions, Vec2};
 
 pub fn gui_main() -> eframe::Result {
+    env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
     let options = eframe::NativeOptions {
         viewport: egui::ViewportBuilder::default().with_inner_size([600.0, 540.0]),
         ..Default::default()
diff --git a/src/main.rs b/src/main.rs
index 937d6ab..4258c33 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,13 +10,10 @@ mod gui;
 mod pman;
 mod quic;
 
-use std::fs::File;
-use std::net::SocketAddr;
-use std::str::FromStr;
 use bunt::println;
 use clap::{Parser, Subcommand};
-use config::{Config, FileFormat, Source};
-use log::{debug, info};
+use config::{Config, Source};
+use log::info;
 use pman::{init_process_manager, ProcessCommand, ProcessManager};
 use shadow_rs::shadow;
 use std::sync::{Arc, Mutex, OnceLock};
@@ -44,7 +41,7 @@ struct Args {
 
 #[derive(Debug, Subcommand)]
 enum Commands {
-    #[command(about = "Start client without GUI")]
+    #[command(arg_required_else_help = true, about = "Start client without GUI")]
     CliClient,
     #[command(about = "List compile time backed info to audit binary")]
     Shadow,
@@ -69,14 +66,11 @@ static CONFIG_FILE: OnceLock<Option<String>> = OnceLock::new();
 fn get_config_file_source() -> impl Source {
     let file = CONFIG_FILE.get();
     let default_dir = dirs::config_dir().unwrap();
-    let file_buf = default_dir.join("hai").join("config.toml");
-    println!("{}", file_buf.to_string_lossy());
-    let file_content = std::fs::read_to_string(file_buf).unwrap();
-    config::File::from_str(&*file_content, FileFormat::Toml)
+    config::File::from_str(s, format)
 }
 
 #[tokio::main]
-async fn main() -> anyhow::Result<()> {
+async fn main() {
 
     env_logger::init();
     let args = Args::parse();
@@ -87,17 +81,11 @@ async fn main() -> anyhow::Result<()> {
     let _ = init_process_manager();
 
     match args.command {
-        Commands::CliClient => {
-            let ip_addr_str = config().get_string("remote_endpoint")?;
-            let ip_sock = SocketAddr::from_str(&ip_addr_str)?;
-            let client_endpoint = quic::client::make_client_endpoint(ip_sock.clone(), None)?;
-            let client = client_endpoint.connect(ip_sock, "localhost")?.await?;
-            println!("[client] connected: addr={}", client.remote_address());
-        }
+        Commands::CliClient => {}
 
         Commands::Shadow => {
             bininfo::print_info();
-            return Ok(());
+            return;
         }
 
         Commands::GuiClient => {
@@ -105,7 +93,7 @@ async fn main() -> anyhow::Result<()> {
             if let Err(e) = res {
                 println!("{}", e);
             }
-            return Ok(());
+            return;
         }
 
         Commands::Devtest => {
@@ -124,5 +112,4 @@ async fn main() -> anyhow::Result<()> {
 
     //handling anything here for gui wont work
     println!("exit");
-    Ok(())
 }
diff --git a/src/quic/client.rs b/src/quic/client.rs
index 7b42544..eeb6f12 100644
--- a/src/quic/client.rs
+++ b/src/quic/client.rs
@@ -10,18 +10,14 @@ use rustls::pki_types::CertificateDer;
 ///
 /// - server_certs: a list of trusted certificates in DER format.
 fn configure_client(
-    server_certs: Option<&[&[u8]]>,
+    server_certs: &[&[u8]],
 ) -> Result<ClientConfig, Box<dyn Error + Send + Sync + 'static>> {
-    if let Some(server_certs) = server_certs {
-        let mut certs = rustls::RootCertStore::empty();
-        for cert in server_certs {
-            certs.add(CertificateDer::from(*cert))?;
-        }
-
-        Ok(ClientConfig::with_root_certificates(Arc::new(certs))?)
-    } else {
-        Ok(ClientConfig::with_platform_verifier())
+    let mut certs = rustls::RootCertStore::empty();
+    for cert in server_certs {
+        certs.add(CertificateDer::from(*cert))?;
     }
+
+    Ok(ClientConfig::with_root_certificates(Arc::new(certs))?)
 }
 
 /// Constructs a QUIC endpoint configured for use a client only.
@@ -32,7 +28,7 @@ fn configure_client(
 #[allow(unused)]
 pub fn make_client_endpoint(
     bind_addr: SocketAddr,
-    server_certs: Option<&[&[u8]]>,
+    server_certs: &[&[u8]],
 ) -> Result<Endpoint, Box<dyn Error + Send + Sync + 'static>> {
     let client_cfg = configure_client(server_certs)?;
     let mut endpoint = Endpoint::client(bind_addr)?;
diff --git a/src/quic/mod.rs b/src/quic/mod.rs
index 92b78e2..76c4929 100644
--- a/src/quic/mod.rs
+++ b/src/quic/mod.rs
@@ -1,2 +1,2 @@
-pub(crate) mod server;
-pub(crate) mod client;
\ No newline at end of file
+mod server;
+mod client;
\ No newline at end of file