diff --git a/src/commands/owner.rs b/src/commands/owner.rs
index 0a80087..9a70447 100644
--- a/src/commands/owner.rs
+++ b/src/commands/owner.rs
@@ -1,4 +1,3 @@
-use crate::debugln;
 use serenity::{
     framework::standard::{
         macros::{command, group},
@@ -7,6 +6,7 @@ use serenity::{
     model::prelude::*,
     prelude::*,
 };
+use log::debug;
 use std::convert::TryFrom;
 
 #[group]
@@ -26,7 +26,7 @@ pub async fn leave_guild(ctx: &Context, _msg: &Message, mut args: Args) -> Comma
 async fn send_message(ctx: &Context, _msg: &Message, mut args: Args) -> CommandResult {
     let channel_id = args.single::<ChannelId>()?;
     let message = args.single::<String>()?;
-    debugln!("Send {} into {:?}", message, channel_id);
+    debug!("Send {} into {:?}", message, channel_id);
     channel_id.say(ctx, message).await?;
     Ok(())
 }
diff --git a/src/macros.rs b/src/macros.rs
deleted file mode 100644
index 2b77001..0000000
--- a/src/macros.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-#[macro_export]
-macro_rules! debugln {
-    ($($arg:tt)*) => {
-        if cfg!(debug_assertions) {
-            log::debug!($($arg)*);
-        }
-    };
-}
diff --git a/src/main.rs b/src/main.rs
index 181dfe8..97796ae 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,7 +38,6 @@ mod api;
 mod commands;
 mod config;
 mod data;
-mod macros;
 mod presence;
 
 const PREFIX: &str = "?";
@@ -49,8 +48,8 @@ pub(crate) static mut INVITE_URL: Option<String> = None;
 #[tokio::main]
 async fn main() -> IoResult<()> {
     log4rs::init_file("log4rs.yaml", Default::default()).unwrap();
-    let conf: config::Conf = toml::from_str(&std::fs::read_to_string("Conf.toml")?)?;
-    debugln!("conf : {:?}", conf);
+    let conf: config::Conf = toml::from_str(&fs::read_to_string("Conf.toml")?)?;
+    debug!("conf : {:?}", conf);
 
     let token = conf.bot.token;
 
@@ -66,7 +65,7 @@ async fn main() -> IoResult<()> {
         }
     }
 
-    debugln!("Log attachments : {}", unsafe { LOG_ATTACHMENTS });
+    debug!("Log attachments : {}", unsafe { LOG_ATTACHMENTS });
 
     let dir = Path::new("logging");
     if !dir.exists() {
@@ -91,7 +90,7 @@ async fn main() -> IoResult<()> {
         Err(why) => panic!("Could not access application info: {:?}", why),
     };
 
-    debugln!("Owners : {:?}", owners);
+    debug!("Owners : {:?}", owners);
 
     let mut framework = StandardFramework::new()
         .configure(|c| {
@@ -262,7 +261,7 @@ impl EventHandler for Messages {
 }
 
 async fn download_to_log(attachment: Attachment) -> commands::Result<()> {
-    debugln!("Download_to_log : {:?}", attachment);
+    debug!("Download_to_log : {:?}", attachment);
     let path = Path::new("logging").join(format!("{}-{}", attachment.id, attachment.filename));
     let content = reqwest::get(&attachment.url).await?.bytes().await?;
     let mut file = File::create(path).await?;
@@ -282,7 +281,7 @@ async fn normal_message(_ctx: &Context, msg: &Message) {
 
 #[hook]
 async fn dispatch_error(ctx: &Context, msg: &Message, error: DispatchError) {
-    debugln!("Dispatch error : {:?}", error);
+    debug!("Dispatch error : {:?}", error);
     match error {
         DispatchError::Ratelimited(seconds) => {
             let _ = msg