diff --git a/acme_common/Cargo.toml b/acme_common/Cargo.toml
index 8564b49..1b5125d 100644
--- a/acme_common/Cargo.toml
+++ b/acme_common/Cargo.toml
@@ -14,8 +14,10 @@ name = "acme_common"
 [dependencies]
 base64 = "0.10"
 daemonize = "0.4"
+env_logger = "0.6"
 handlebars = "2.0.0-beta.1"
 http_req = "0.4"
+log = "0.4"
 openssl = "0.10"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
diff --git a/acme_common/src/lib.rs b/acme_common/src/lib.rs
index 33c7625..dd6fad2 100644
--- a/acme_common/src/lib.rs
+++ b/acme_common/src/lib.rs
@@ -2,6 +2,7 @@ use daemonize::Daemonize;
 
 pub mod error;
 pub mod gen;
+pub mod logs;
 
 pub fn b64_encode<T: ?Sized + AsRef<[u8]>>(input: &T) -> String {
     base64::encode_config(input, base64::URL_SAFE_NO_PAD)
diff --git a/acmed/src/logs.rs b/acme_common/src/logs.rs
similarity index 83%
rename from acmed/src/logs.rs
rename to acme_common/src/logs.rs
index 1f07dc3..7db3cd2 100644
--- a/acmed/src/logs.rs
+++ b/acme_common/src/logs.rs
@@ -1,8 +1,11 @@
-use acme_common::error::Error;
+use crate::error::Error;
 use env_logger::Builder;
 use log::LevelFilter;
 use syslog::Facility;
 
+const DEFAULT_LOG_SYSTEM: LogSystem = LogSystem::SysLog;
+const DEFAULT_LOG_LEVEL: LevelFilter = LevelFilter::Warn;
+
 #[derive(Debug, PartialEq, Eq)]
 pub enum LogSystem {
     SysLog,
@@ -21,7 +24,7 @@ fn get_loglevel(log_level: Option<&str>) -> Result<LevelFilter, Error> {
                 return Err(format!("{}: invalid log level", v).into());
             }
         },
-        None => crate::DEFAULT_LOG_LEVEL,
+        None => DEFAULT_LOG_LEVEL,
     };
     Ok(level)
 }
@@ -53,7 +56,7 @@ pub fn set_log_system(
     } else if has_stderr {
         LogSystem::StdErr
     } else {
-        crate::DEFAULT_LOG_SYSTEM
+        DEFAULT_LOG_SYSTEM
     };
     match logtype {
         LogSystem::SysLog => set_log_syslog(log_level)?,
@@ -64,7 +67,7 @@ pub fn set_log_system(
 
 #[cfg(test)]
 mod tests {
-    use super::set_log_system;
+    use super::{set_log_system, DEFAULT_LOG_LEVEL, DEFAULT_LOG_SYSTEM};
 
     #[test]
     fn test_invalid_level() {
@@ -77,7 +80,7 @@ mod tests {
         let ret = set_log_system(None, false, false);
         assert!(ret.is_ok());
         let (logtype, log_level) = ret.unwrap();
-        assert_eq!(logtype, crate::DEFAULT_LOG_SYSTEM);
-        assert_eq!(log_level, crate::DEFAULT_LOG_LEVEL);
+        assert_eq!(logtype, DEFAULT_LOG_SYSTEM);
+        assert_eq!(log_level, DEFAULT_LOG_LEVEL);
     }
 }
diff --git a/acmed/Cargo.toml b/acmed/Cargo.toml
index 33cae5c..8ec41c9 100644
--- a/acmed/Cargo.toml
+++ b/acmed/Cargo.toml
@@ -14,14 +14,12 @@ build = "build.rs"
 [dependencies]
 acme_common = { path = "../acme_common" }
 clap = "2.32"
-env_logger = "0.6"
 handlebars = "2.0.0-beta.1"
 http_req = "0.4"
 log = "0.4"
 openssl = "0.10"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-syslog = "4.0"
 time = "0.1"
 toml = "0.5"
 
diff --git a/acmed/src/main.rs b/acmed/src/main.rs
index aa957d3..0a86163 100644
--- a/acmed/src/main.rs
+++ b/acmed/src/main.rs
@@ -1,13 +1,12 @@
 use crate::main_event_loop::MainEventLoop;
 use acme_common::init_server;
 use clap::{App, Arg};
-use log::{error, LevelFilter};
+use log::error;
 
 mod acme_proto;
 mod certificate;
 mod config;
 mod hooks;
-mod logs;
 mod main_event_loop;
 mod storage;
 
@@ -25,8 +24,6 @@ pub const DEFAULT_CERT_FILE_MODE: u32 = 0o644;
 pub const DEFAULT_PK_FILE_MODE: u32 = 0o600;
 pub const DEFAULT_ACCOUNT_FILE_MODE: u32 = 0o600;
 pub const DEFAULT_KP_REUSE: bool = false;
-pub const DEFAULT_LOG_SYSTEM: logs::LogSystem = logs::LogSystem::SysLog;
-pub const DEFAULT_LOG_LEVEL: LevelFilter = LevelFilter::Warn;
 pub const DEFAULT_JWS_SIGN_ALGO: &str = "ES256";
 pub const DEFAULT_POOL_NB_TRIES: usize = 20;
 pub const DEFAULT_POOL_WAIT_SEC: u64 = 5;
@@ -80,7 +77,7 @@ fn main() {
         )
         .get_matches();
 
-    match logs::set_log_system(
+    match acme_common::logs::set_log_system(
         matches.value_of("log-level"),
         matches.is_present("log-syslog"),
         matches.is_present("to-stderr"),