diff --git a/src/helpers.rs b/src/helpers.rs
index b0451295..6d84bb3c 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -1,22 +1,16 @@
 use std::{
     borrow::Cow,
-    fs,
     io::{stderr, stdin, Write},
     path::{Path, PathBuf},
 };
 
 use cargo_toml::Manifest;
-use flate2::read::GzDecoder;
 use futures_util::stream::StreamExt;
 use log::{debug, info};
 use reqwest::Method;
 use serde::Serialize;
-use tar::Archive;
 use tinytemplate::TinyTemplate;
 use url::Url;
-use xz2::read::XzDecoder;
-use zip::read::ZipArchive;
-use zstd::stream::Decoder as ZstdDecoder;
 
 use crate::{BinstallError, Meta, PkgFmt};
 
@@ -90,79 +84,6 @@ pub async fn download_and_extract<P: AsRef<Path>, const N: usize>(
     Ok(())
 }
 
-/// Extract files from the specified source onto the specified path
-pub fn extract<S: AsRef<Path>, P: AsRef<Path>>(
-    source: S,
-    fmt: PkgFmt,
-    path: P,
-) -> Result<(), BinstallError> {
-    let source = source.as_ref();
-    let path = path.as_ref();
-
-    match fmt {
-        PkgFmt::Tar => {
-            // Extract to install dir
-            debug!("Extracting from tar archive '{source:?}' to `{path:?}`");
-
-            let dat = fs::File::open(source)?;
-            let mut tar = Archive::new(dat);
-
-            tar.unpack(path)?;
-        }
-        PkgFmt::Tgz => {
-            // Extract to install dir
-            debug!("Decompressing from tgz archive '{source:?}' to `{path:?}`");
-
-            let dat = fs::File::open(source)?;
-            let tar = GzDecoder::new(dat);
-            let mut tgz = Archive::new(tar);
-
-            tgz.unpack(path)?;
-        }
-        PkgFmt::Txz => {
-            // Extract to install dir
-            debug!("Decompressing from txz archive '{source:?}' to `{path:?}`");
-
-            let dat = fs::File::open(source)?;
-            let tar = XzDecoder::new(dat);
-            let mut txz = Archive::new(tar);
-
-            txz.unpack(path)?;
-        }
-        PkgFmt::Tzstd => {
-            // Extract to install dir
-            debug!("Decompressing from tzstd archive '{source:?}' to `{path:?}`");
-
-            let dat = std::fs::File::open(source)?;
-
-            // The error can only come from raw::Decoder::with_dictionary
-            // as of zstd 0.10.2 and 0.11.2, which is specified
-            // as &[] by ZstdDecoder::new, thus ZstdDecoder::new
-            // should not return any error.
-            let tar = ZstdDecoder::new(dat)?;
-            let mut txz = Archive::new(tar);
-
-            txz.unpack(path)?;
-        }
-        PkgFmt::Zip => {
-            // Extract to install dir
-            debug!("Decompressing from zip archive '{source:?}' to `{path:?}`");
-
-            let dat = fs::File::open(source)?;
-            let mut zip = ZipArchive::new(dat)?;
-
-            zip.extract(path)?;
-        }
-        PkgFmt::Bin => {
-            debug!("Copying binary '{source:?}' to `{path:?}`");
-            // Copy to install dir
-            fs::copy(source, path)?;
-        }
-    };
-
-    Ok(())
-}
-
 /// Fetch install path from environment
 /// roughly follows <https://doc.rust-lang.org/cargo/commands/cargo-install.html#description>
 pub fn get_install_path<P: AsRef<Path>>(install_path: Option<P>) -> Option<PathBuf> {