diff --git a/src/commands.rs b/src/commands.rs
index f4bc513..688c91d 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -22,7 +22,7 @@ use crate::{
     info,
     list::{self, ListOptions},
     utils::{
-        self, concatenate_list_of_os_str, dir_is_empty, nice_directory_display, to_utf, try_infer,
+        self, concatenate_list_of_os_str, dir_is_empty, nice_directory_display, to_utf, try_infer_extension,
         user_wants_to_continue_decompressing,
     },
     warning, Opts, QuestionPolicy, Subcommand,
@@ -495,7 +495,7 @@ fn check_mime_type(
         if format.is_empty() {
             // File with no extension
             // Try to detect it automatically and prompt the user about it
-            if let Some(detected_format) = try_infer(path) {
+            if let Some(detected_format) = try_infer_extension(path) {
                 info!("Detected file: `{}` extension as `{}`", path.display(), detected_format);
                 if user_wants_to_continue_decompressing(path, question_policy)? {
                     format.push(detected_format);
@@ -503,7 +503,7 @@ fn check_mime_type(
                     return Ok(ControlFlow::Break(()));
                 }
             }
-        } else if let Some(detected_format) = try_infer(path) {
+        } else if let Some(detected_format) = try_infer_extension(path) {
             // File ending with extension
             // Try to detect the extension and warn the user if it differs from the written one
             let outer_ext = format.iter().next().unwrap();
diff --git a/src/utils/fs.rs b/src/utils/fs.rs
index 11332a9..86f49d4 100644
--- a/src/utils/fs.rs
+++ b/src/utils/fs.rs
@@ -4,6 +4,8 @@ use std::{
     borrow::Cow,
     env,
     ffi::OsStr,
+    fs::ReadDir,
+    io::Read,
     path::{Component, Path, PathBuf},
 };
 
@@ -13,7 +15,7 @@ use crate::{extension::Extension, info};
 
 /// Checks given path points to an empty directory.
 pub fn dir_is_empty(dir_path: &Path) -> bool {
-    let is_empty = |mut rd: std::fs::ReadDir| rd.next().is_none();
+    let is_empty = |mut rd: ReadDir| rd.next().is_none();
 
     dir_path.read_dir().map(is_empty).unwrap_or_default()
 }
@@ -82,7 +84,7 @@ pub fn nice_directory_display(os_str: impl AsRef<OsStr>) -> Cow<'static, str> {
 
 /// Try to detect the file extension by looking for known magic strings
 /// Source: https://en.wikipedia.org/wiki/List_of_file_signatures
-pub fn try_infer(path: &Path) -> Option<Extension> {
+pub fn try_infer_extension(path: &Path) -> Option<Extension> {
     fn is_zip(buf: &[u8]) -> bool {
         buf.len() > 3
             && buf[0] == 0x50
@@ -155,10 +157,12 @@ pub fn try_infer(path: &Path) -> Option<Extension> {
 /// Module with a list of bright colors.
 #[allow(dead_code)]
 pub mod colors {
+    use std::env;
+
     use once_cell::sync::Lazy;
 
     static DISABLE_COLORED_TEXT: Lazy<bool> = Lazy::new(|| {
-        std::env::var_os("NO_COLOR").is_some() || atty::isnt(atty::Stream::Stdout) || atty::isnt(atty::Stream::Stderr)
+        env::var_os("NO_COLOR").is_some() || atty::isnt(atty::Stream::Stdout) || atty::isnt(atty::Stream::Stderr)
     });
 
     macro_rules! color {
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 4b3bee3..8b147bf 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -5,10 +5,5 @@ mod fs;
 mod question_policy;
 
 pub use bytes::Bytes;
-pub use fs::{
-    cd_into_same_dir_as, colors, concatenate_list_of_os_str, create_dir_if_non_existent, dir_is_empty,
-    nice_directory_display, strip_cur_dir, to_utf, try_infer,
-};
-pub use question_policy::{
-    create_or_ask_overwrite, user_wants_to_continue_decompressing, user_wants_to_overwrite, QuestionPolicy,
-};
+pub use fs::*;
+pub use question_policy::*;