diff --git a/src/command_builder.rs b/src/command_builder.rs
index 0da1c6a..708a703 100644
--- a/src/command_builder.rs
+++ b/src/command_builder.rs
@@ -1,12 +1,7 @@
-use anyhow::{anyhow, Context, Result};
+use anyhow::{Context, Result};
 use std::{
-    collections::VecDeque,
     env,
-    ffi::OsStr,
     fmt::Display,
-    fs::{File, OpenOptions},
-    os::unix::process::CommandExt,
-    path::PathBuf,
     process::{Child, Command, Stdio},
 };
 
@@ -77,20 +72,20 @@ impl CommandBuilder {
         Ok(command)
     }
 
-    pub fn exec_get_stdout(mut self) -> Result<String> {
+    pub fn exec_get_stdout(self) -> Result<String> {
         Ok(String::from_utf8(self.build()?.output()?.stdout)?)
     }
 
-    pub fn exec(mut self) -> Result<()> {
+    pub fn exec(self) -> Result<()> {
         self.build()?.spawn()?.wait()?;
         Ok(())
     }
 
-    pub fn spawn(mut self) -> Result<(Child)> {
+    pub fn spawn(self) -> Result<Child > {
         Ok(self.build()?.spawn()?)
     }
 
-    pub fn exec_redirect_stdout(mut self, stdio: Stdio) -> Result<()> {
+    pub fn exec_redirect_stdout(self, stdio: Stdio) -> Result<()> {
         self.build()?.stdout(stdio).spawn()?.wait()?;
         Ok(())
     }
diff --git a/src/lib.rs b/src/lib.rs
index 561f014..99c221c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,3 @@
-#![allow(unused)]
-
 use std::{
     fs::{File, OpenOptions},
     path::PathBuf,
diff --git a/src/scripts/postgres.rs b/src/scripts/postgres.rs
index 5e23c93..30e7e2c 100644
--- a/src/scripts/postgres.rs
+++ b/src/scripts/postgres.rs
@@ -1,4 +1,4 @@
-use anyhow::{anyhow, Context, Result};
+use anyhow::{anyhow, Result};
 use std::{
     fs::File,
     path::{Path, PathBuf},
@@ -37,7 +37,7 @@ fn get_containers(container: &str) -> Result<[String; 2]> {
 }
 
 pub fn import(container: &str, file: &Path) -> Result<()> {
-    let [db_container, app_containers] = get_containers(container)?;
+    let [db_container, _] = get_containers(container)?;
     let dump_file = file.to_string_lossy();
 
     eprintln!("stopping all containers");