diff --git a/src/filesystem.rs b/src/filesystem.rs
deleted file mode 100644
index 2170b45..0000000
--- a/src/filesystem.rs
+++ /dev/null
@@ -1,151 +0,0 @@
-#![allow(unused)]
-
-use std::{
-    ops::Deref,
-    path::PathBuf,
-    sync::{Arc, Mutex},
-};
-
-use tempfile::{tempdir, TempDir};
-use tracing::info;
-
-#[derive(Clone, Debug)]
-pub enum FileSystem {
-    Real(RealFileSystemEnv),
-    Temp(TempFileSystemEnv),
-}
-impl FileSystem {
-    pub fn new_real(cwd: Option<PathBuf>) -> Self {
-        let cwd = cwd.unwrap_or_default();
-        Self::Real(RealFileSystemEnv::new(cwd))
-    }
-    pub fn new_temp() -> std::io::Result<Self> {
-        TempFileSystemEnv::new().map(Self::Temp)
-    }
-}
-impl Deref for FileSystem {
-    type Target = dyn FileSystemEnv;
-
-    fn deref(&self) -> &Self::Target {
-        match self {
-            Self::Real(env) => env,
-            Self::Temp(env) => env,
-        }
-    }
-}
-
-pub trait FileSystemEnv: Sync + Send + std::fmt::Debug {
-    fn cwd(&self) -> &PathBuf;
-
-    fn in_cwd(&self, name: &str) -> PathBuf {
-        self.cwd().join(name)
-    }
-
-    fn write_file(&self, file_name: &str, content: &str) -> std::io::Result<PathBuf> {
-        use std::fs::File;
-        use std::io::{LineWriter, Write};
-
-        let path = self.in_cwd(file_name);
-        info!("writing to {:?}", path);
-        let file = File::create(path.clone())?;
-        let mut file = LineWriter::new(file);
-        file.write_all(content.as_bytes())?;
-        Ok(path)
-    }
-
-    fn file_exists(&self, name: &PathBuf) -> bool {
-        use std::fs::File;
-        File::open(name).is_ok()
-    }
-
-    fn read_file(&self, file_name: &str) -> std::io::Result<String> {
-        use std::fs::File;
-        use std::io::Read;
-
-        let path = self.in_cwd(file_name);
-        info!("reading from {:?}", path);
-        let mut file = File::open(path)?;
-        let mut content = String::new();
-        file.read_to_string(&mut content)?;
-        Ok(content)
-    }
-}
-
-#[derive(Clone, Debug, Default)]
-pub struct RealFileSystemEnv {
-    cwd: PathBuf,
-}
-
-#[derive(Clone, Debug)]
-pub struct TempFileSystemEnv {
-    cwd: PathBuf,
-    temp_dir: Arc<Mutex<TempDir>>,
-}
-
-impl FileSystemEnv for TempFileSystemEnv {
-    fn cwd(&self) -> &PathBuf {
-        &self.cwd
-    }
-}
-
-impl FileSystemEnv for RealFileSystemEnv {
-    fn cwd(&self) -> &PathBuf {
-        &self.cwd
-    }
-}
-
-impl RealFileSystemEnv {
-    const fn new(cwd: PathBuf) -> Self {
-        Self { cwd }
-    }
-}
-
-impl TempFileSystemEnv {
-    fn new() -> std::io::Result<Self> {
-        let temp_dir = tempdir()?;
-        info!("temp dir: {:?}", temp_dir.path());
-        let cwd = temp_dir.path().to_path_buf();
-        let temp_dir = Arc::new(Mutex::new(temp_dir));
-        Ok(Self { cwd, temp_dir })
-    }
-}
-
-#[cfg(test)]
-mod tests {
-
-    use super::*;
-
-    use std::path::PathBuf;
-
-    #[test_log::test]
-    fn test_cwd() {
-        let cwd = PathBuf::from("/tmp");
-        let env = RealFileSystemEnv::new(cwd.clone());
-        assert_eq!(env.cwd(), &cwd);
-    }
-
-    #[test_log::test]
-    fn test_create_on_temp_fs() -> std::io::Result<()> {
-        let env = TempFileSystemEnv::new()?;
-        assert!(env.cwd().exists());
-        Ok(())
-    }
-
-    #[test_log::test]
-    fn test_create_on_real_fs() {
-        let cwd = PathBuf::from("/tmp");
-        let env = RealFileSystemEnv::new(cwd.clone());
-        assert_eq!(env.cwd(), &cwd);
-    }
-
-    #[test_log::test]
-    fn test_write_and_read_file() -> std::io::Result<()> {
-        let env = TempFileSystemEnv::new()?;
-        let file_name = "test.txt";
-        let content = "Hello, World!";
-        let path = env.write_file(file_name, content)?;
-        assert_eq!(env.read_file(file_name)?, content);
-        assert!(path.exists());
-        Ok(())
-    }
-}
diff --git a/src/main.rs b/src/main.rs
index 5b88953..eb809ad 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,8 @@
-mod filesystem;
 mod init;
 mod server;
 
 use clap::Parser;
+use kxio::filesystem;
 
 #[derive(Parser, Debug)]
 #[clap(version = clap::crate_version!(), author = clap::crate_authors!(), about = clap::crate_description!())]