diff --git a/plib/src/lib.rs b/plib/src/lib.rs
index b7308190..3d4c4b11 100644
--- a/plib/src/lib.rs
+++ b/plib/src/lib.rs
@@ -12,6 +12,7 @@ pub mod io;
 pub mod modestr;
 pub mod testing;
 pub mod utmpx;
+pub mod lzw;
 
 pub const PROJECT_NAME: &'static str = "posixutils-rs";
 
diff --git a/xform/src/lzw.rs b/plib/src/lzw.rs
similarity index 99%
rename from xform/src/lzw.rs
rename to plib/src/lzw.rs
index f6748426..91fc55bf 100644
--- a/xform/src/lzw.rs
+++ b/plib/src/lzw.rs
@@ -67,10 +67,6 @@ fn max_code(n_bits: u32) -> u32 {
     (1 << (n_bits)) - 1
 }
 
-fn maxmax_code(max_bits: u32) -> i32 {
-    (1 << max_bits) as i32
-}
-
 pub struct UnixLZWReader {
     /// the reader of the compressed file or the file to be compressed
     rdr: CompReader,
diff --git a/xform/src/compress.rs b/xform/src/compress.rs
index 1f1c9b54..b22b4221 100644
--- a/xform/src/compress.rs
+++ b/xform/src/compress.rs
@@ -7,16 +7,16 @@
 // SPDX-License-Identifier: MIT
 //
 
-mod lzw;
-
 use clap::Parser;
 use gettextrs::{bind_textdomain_codeset, gettext, textdomain};
-use lzw::UnixLZWWriter;
+use plib::lzw::UnixLZWWriter;
 use plib::PROJECT_NAME;
 use std::fs::{self, File};
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};
+
 const NAME_MAX: usize = 255;
+
 /// compress - compress data
 #[derive(Parser, Debug)]
 #[command(author, version, about, long_about)]
diff --git a/xform/src/uncompress.rs b/xform/src/uncompress.rs
index 4790a23a..0646075a 100644
--- a/xform/src/uncompress.rs
+++ b/xform/src/uncompress.rs
@@ -14,11 +14,9 @@
 extern crate clap;
 extern crate plib;
 
-mod lzw;
-
 use clap::Parser;
 use gettextrs::{bind_textdomain_codeset, textdomain};
-use lzw::UnixLZWReader;
+use plib::lzw::UnixLZWReader;
 use plib::PROJECT_NAME;
 use std::io::{self, Write};
 use std::path::PathBuf;
diff --git a/xform/tests/integration.rs b/xform/tests/integration.rs
index e843598a..fc8b0dac 100644
--- a/xform/tests/integration.rs
+++ b/xform/tests/integration.rs
@@ -118,7 +118,7 @@ fn test_compression_compress_file() {
     fs::copy(&source_file, &file).unwrap();
 
     let mut buf = String::new();
-    let file_contents = File::open(&file).unwrap().read_to_string(&mut buf);
+    let _file_contents = File::open(&file).unwrap().read_to_string(&mut buf);
 
     let compressed_file_path = cargo_manifest_dir.join("tests/compress/compression.txt.Z");