diff --git a/modoboa/lib/exceptions.py b/modoboa/lib/exceptions.py
index aa2bb26c4..82c1135f0 100644
--- a/modoboa/lib/exceptions.py
+++ b/modoboa/lib/exceptions.py
@@ -66,12 +66,3 @@ class PermDeniedException(ModoboaException):
         if self.msg:
             return _("Permission denied: %s" % self.msg)
         return _("Permission denied")
-
-
-class ImapError(ModoboaException):
-
-    def __init__(self, reason):
-        self.reason = reason
-
-    def __str__(self):
-        return str(self.reason)