diff --git a/src/argparse.rs b/src/argparse.rs
index b4d2f79..525bf81 100644
--- a/src/argparse.rs
+++ b/src/argparse.rs
@@ -1,16 +1,10 @@
-use crate::date_utils::{
-    append_file, argsort, check_dates, offset_and_time, read_file, remove_entry, saved_data_header,
-    time_date_lef, SavedDate,
-};
+use crate::date_utils::{append_file, check_dates, remove_entry, SavedDate};
 use crate::view_dates::{get_next_n, grep_by_date, grep_by_description, last_added};
 use crate::view_month::{appointment_check, month_len, month_view};
 use crate::DATE_FILE_PATH;
 use chrono::Datelike;
-use chrono::{Local, NaiveDate};
+use chrono::NaiveDate;
 use regex::Regex;
-use std::fs;
-use std::io;
-use std::io::prelude::*;
 
 pub fn arg_print(arg_short: &str, arg_long: &str, dtype: &str, msg: &str) {
     println!("{} | {}   <{}>\n     {}\n", arg_short, arg_long, dtype, msg)
diff --git a/src/date_utils.rs b/src/date_utils.rs
index 4931cf7..a04979d 100644
--- a/src/date_utils.rs
+++ b/src/date_utils.rs
@@ -2,10 +2,8 @@ use crate::encrypt::{gen_key_pwd, get_pwd_file, read_bin, write_bin};
 use crate::{PWD_LOC, SALT_LOC};
 use chrono::{DateTime, Local, NaiveDateTime, Utc};
 use notify_rust::Notification;
-use orion::{aead, kdf};
+use orion::aead;
 use std::fmt;
-use std::fs;
-use std::io::prelude::*;
 use std::path::Path;
 
 #[derive(Debug)]
@@ -155,9 +153,10 @@ pub fn read_file(filepath: &str) -> Vec<SavedDate> {
 }
 
 pub fn remove_entry(rm_id: &str, file_path: &str) {
+    // remove entry by id
     let file_content = read_file(file_path);
     let mut removed = Vec::new();
-    for (ci, i) in file_content.iter().enumerate() {
+    for i in file_content.iter() {
         if i.id.to_string() != rm_id {
             let acc_line = format!(
                 "{},{},{},{},{}-X-",
diff --git a/src/encrypt.rs b/src/encrypt.rs
index aa34e72..2ec93fb 100644
--- a/src/encrypt.rs
+++ b/src/encrypt.rs
@@ -1,9 +1,10 @@
-use orion::{aead, kdf};
+use orion::kdf;
 use std::fs;
 use std::fs::File;
 use std::io::prelude::*;
 
 pub fn get_pwd_file(file_path: &str) -> String {
+    // get password from file
     let pwd: String = fs::read_to_string(file_path)
         .expect("Couldn't read pwd file")
         .trim()
@@ -12,6 +13,7 @@ pub fn get_pwd_file(file_path: &str) -> String {
 }
 
 pub fn gen_key_pwd(
+    // generate salt and password from password string
     my_pwd: &str,
     salt: orion::kdf::Salt,
 ) -> (orion::kdf::Salt, orion::aead::SecretKey) {
@@ -23,6 +25,7 @@ pub fn gen_key_pwd(
 }
 
 pub fn write_bin(text: &Vec<u8>, file_path: &str) {
+    // write encrypted text to file
     let mut old_path: String = file_path.to_owned();
     old_path.push_str("_old");
     match fs::copy(&file_path, &old_path) {
@@ -38,6 +41,7 @@ pub fn write_bin(text: &Vec<u8>, file_path: &str) {
         .expect("Couldn't write content to binary file");
 }
 pub fn read_bin(file_path: &str) -> Vec<u8> {
+    // read binary file
     let mut file = File::open(file_path).expect("Couldn't open binary file");
     let mut buffer = Vec::<u8>::new();
     file.read_to_end(&mut buffer)
diff --git a/src/view_month.rs b/src/view_month.rs
index 84f6eef..72243f6 100644
--- a/src/view_month.rs
+++ b/src/view_month.rs
@@ -1,6 +1,5 @@
 use crate::date_utils::SavedDate;
 use chrono::NaiveDate;
-use std::collections::HashMap;
 
 pub fn month_len(year: &i32, month: &u32) -> u32 {
     // get number of days of the month