diff --git a/src/digest_engine.rs b/src/digest_engine.rs
index eeb5444..7d511f8 100644
--- a/src/digest_engine.rs
+++ b/src/digest_engine.rs
@@ -1,8 +1,5 @@
 use std::io;
-use std::path::PathBuf;
 
-use log::*;
-use strum::IntoEnumIterator;
 
 pub mod none;
 pub mod sha2;
@@ -12,6 +9,8 @@ use crate::digest_engine::none::DigestEngineNone;
 use crate::digest_engine::sha2::DigestEngineSha256;
 use crate::digest_engine::program::DigestEngineProgram;
 
+use enum_map::Enum;
+
 #[derive(Debug, Eq, PartialEq, Clone, strum::EnumIter, strum::Display, strum::EnumString, Enum)]
 #[strum(ascii_case_insensitive)]
 pub enum DigestType {
diff --git a/src/digest_engine/none.rs b/src/digest_engine/none.rs
index cb9385e..c0386b9 100644
--- a/src/digest_engine/none.rs
+++ b/src/digest_engine/none.rs
@@ -1,5 +1,5 @@
 use std::io;
-use log::*;
+use crate::digest_engine::DigestEngine;
 
 #[derive(Debug, Eq, PartialEq, Clone, Default)]
 pub struct DigestEngineNone {}
diff --git a/src/digest_engine/program.rs b/src/digest_engine/program.rs
index 3f5b44b..9b77a65 100644
--- a/src/digest_engine/program.rs
+++ b/src/digest_engine/program.rs
@@ -1,6 +1,5 @@
 use std::io;
-use std::process::{Command, Stdio};
-use log::*;
+use crate::digest_engine::DigestEngine;
 
 #[derive(Debug, Eq, PartialEq, Clone)]
 pub struct DigestEngineProgram {
diff --git a/src/digest_engine/sha2.rs b/src/digest_engine/sha2.rs
index f7907bd..0aa7259 100644
--- a/src/digest_engine/sha2.rs
+++ b/src/digest_engine/sha2.rs
@@ -1,5 +1,4 @@
 use std::io;
-use log::*;
 use sha2::{Digest, Sha256};
 
 #[derive(Debug, Eq, PartialEq, Clone, Default)]
@@ -13,6 +12,8 @@ impl DigestEngineSha256 {
     }
 }
 
+use crate::digest_engine::DigestEngine;
+
 impl DigestEngine for DigestEngineSha256 {
     fn create(&self) -> Box<dyn DigestEngine> {
         Box::new(Self::new())