diff --git a/src/compression/lz4.rs b/src/compression/lz4.rs
index d4559ad..5df318c 100644
--- a/src/compression/lz4.rs
+++ b/src/compression/lz4.rs
@@ -4,12 +4,14 @@ use std::io;
 use std::io::Write;
 use std::path::PathBuf;
 use log::*;
-extern crate enum_map;
+
+use lz4_flex::frame::{FrameDecoder, FrameEncoder};
 
 use crate::compression::CompressionEngine;
 
 #[derive(Debug, Eq, PartialEq, Clone, Default)]
-pub struct CompressionEngineLZ4 {}
+pub struct CompressionEngineLZ4 {
+}
 
 impl CompressionEngineLZ4 {
     pub fn new() -> CompressionEngineLZ4 {
@@ -27,7 +29,7 @@ impl CompressionEngine for CompressionEngineLZ4 {
 
         let mut stdout = io::stdout().lock();
         let file = File::open(file_path)?;
-        let mut lz4_read = lz4_flex::frame::FrameDecoder::new(file);
+        let mut lz4_read = FrameDecoder::new(file);
 
         io::copy(&mut lz4_read, &mut stdout)?;
         stdout.flush()?;
@@ -39,7 +41,7 @@ impl CompressionEngine for CompressionEngineLZ4 {
         debug!("COMPRESSION: Writting to {:?} using {:?}", file_path, *self);
 
         let file = File::create(file_path)?;
-        let lz4_write = lz4_flex::frame::FrameEncoder::new(file).auto_finish();
+        let lz4_write = FrameEncoder::new(file).auto_finish();
 
         Ok(Box::new(lz4_write))
     }