diff --git a/src/yunohost/hook.py b/src/yunohost/hook.py
index aafe15459..b263f3ef6 100644
--- a/src/yunohost/hook.py
+++ b/src/yunohost/hook.py
@@ -24,11 +24,7 @@
     Manage hooks
 """
 import os
-import sys
-import re
-import json
 import errno
-import subprocess
 from glob import iglob
 
 from moulinette.core import MoulinetteError
@@ -309,7 +305,6 @@ def hook_exec(path, args=None, raise_on_error=False, no_trace=False,
 
     """
     from moulinette.utils.process import call_async_output
-    from yunohost.app import _value_for_locale
 
     # Validate hook path
     if path[0] != '/':