diff --git a/Cargo.lock b/Cargo.lock
index 0bfc965a..2bc18dec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1315,12 +1315,6 @@ dependencies = [
  "miniz_oxide",
 ]
 
-[[package]]
-name = "ppv-lite86"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.66"
@@ -1357,36 +1351,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-dependencies = [
- "getrandom",
-]
-
 [[package]]
 name = "ratatui"
 version = "0.22.0"
@@ -1565,7 +1529,6 @@ dependencies = [
  "crossterm 0.27.0",
  "libc",
  "parking_lot",
- "rand",
  "ratatui",
  "tokio",
 ]
diff --git a/core/src/external/editor.rs b/core/src/external/editor.rs
deleted file mode 100644
index 3b22fc0e..00000000
--- a/core/src/external/editor.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use std::{env, ffi::{OsStr, OsString}, path::Path, str::FromStr};
-
-use anyhow::{Context, Result};
-use once_cell::sync::OnceCell;
-use tokio::process::Command;
-
-#[derive(Debug)]
-struct Editor {
-	name:    String,
-	options: Vec<String>,
-}
-
-static EDITOR: OnceCell<Editor> = OnceCell::new();
-
-fn try_init() -> Result<&'static Editor> {
-	EDITOR.get_or_try_init(|| {
-		env::var_os("EDITOR")
-			.context("environment variable `EDITOR` is undefined")?
-			.to_string_lossy()
-			.parse()
-	})
-}
-
-pub async fn edit(file: impl AsRef<Path>) -> Result<()> {
-	let editor = try_init()?;
-	// TODO: 编辑并返回是否成功
-	// let output = Command::new(&editor.name)
-	// 	.args(&editor.options)
-	// 	.arg(file.as_ref())
-	// 	.kill_on_drop(true)
-	// 	.output()
-	// 	.await?;
-	todo!()
-}
-
-impl FromStr for Editor {
-	type Err = anyhow::Error;
-
-	fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
-		let mut args = s.split(' ');
-		Ok(Self {
-			name:    args.next().context("environment variable `EDITOR` is empty")?.to_owned(),
-			options: args.map(str::to_owned).collect(),
-		})
-	}
-}
diff --git a/core/src/manager/manager.rs b/core/src/manager/manager.rs
index cd78a637..f6ee59e3 100644
--- a/core/src/manager/manager.rs
+++ b/core/src/manager/manager.rs
@@ -476,19 +476,3 @@ impl Manager {
 		self.active().mode.is_visual() || self.current().has_selected()
 	}
 }
-
-fn parse_new_names(text: &str, count: usize) -> anyhow::Result<IndexSet<&str>> {
-	// NOTE: call `size_hint` on `str::Split` always returns 0
-	let new_names: Vec<_> = text.split('\n').collect();
-	if new_names.len() != count {
-		anyhow::bail!("the number of new names doesn't match the number of old names");
-	}
-
-	let mut names = IndexSet::with_capacity(count);
-	for name in new_names {
-		if !names.insert(name) {
-			anyhow::bail!("there are more than one new entries named {name:?}");
-		}
-	}
-	Ok(names)
-}
diff --git a/shared/src/lib.rs b/shared/src/lib.rs
index d0043c72..b1d7811b 100644
--- a/shared/src/lib.rs
+++ b/shared/src/lib.rs
@@ -4,7 +4,6 @@ mod defer;
 mod fns;
 mod fs;
 mod mime;
-mod temp_path;
 mod term;
 mod throttle;
 mod tty;
@@ -15,7 +14,6 @@ pub use defer::*;
 pub use fns::*;
 pub use fs::*;
 pub use mime::*;
-pub use temp_path::*;
 pub use term::*;
 pub use throttle::*;
 pub use tty::*;
diff --git a/shared/src/temp_path.rs b/shared/src/temp_path.rs
deleted file mode 100644
index ae70f516..00000000
--- a/shared/src/temp_path.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use std::path::PathBuf;
-
-use rand::{distributions::Alphanumeric, Rng};
-
-const FILE_PREFIX: &str = "yazi-";
-const ID_LEN: usize = 10;
-
-/// generate a path under the system temporary directory
-///
-/// `ext`: an ASCII string
-pub fn temp_path(ext: Option<&str>) -> PathBuf {
-	let (ext, suffix_len) = ext.map(|ext| (ext, ext.len())).unwrap_or_default();
-
-	let mut name = String::with_capacity(FILE_PREFIX.len() + ID_LEN + suffix_len);
-	name.push_str(FILE_PREFIX);
-	rand::thread_rng().sample_iter(&Alphanumeric).take(ID_LEN).for_each(|c| name.push(c as char));
-
-	if !ext.is_empty() {
-		name.push('.');
-		name.push_str(ext);
-	}
-
-	let tmp = std::env::temp_dir();
-	tmp.join(&name)
-}
-
-#[cfg(test)]
-mod tests {
-	use super::temp_path;
-
-	#[test]
-	fn test_temp_path() {
-		let p = temp_path(Some("txt"));
-		println!("{p:?}");
-	}
-}