diff --git a/README.rst b/README.rst
index 1de0278..c4a5c5f 100644
--- a/README.rst
+++ b/README.rst
@@ -66,7 +66,6 @@ You can configure behaviour of this plugin using ``.ini`` file located under
 
    [adbfs]
    debug = false
-   skip_dirs = true
    dirs_to_skip = ["acct", "charger", "d", "dev", "proc", "sys"]
    suppress_colors = false
    root =
diff --git a/adbfs b/adbfs
index c4e2686..e99225a 100755
--- a/adbfs
+++ b/adbfs
@@ -34,14 +34,6 @@ def check_output(command_list, stderr=None):
     return result
 
 
-class NoBoxFoundException(OSError):
-    """
-    Exception raised in case of not found either toolbox or busybox on remote
-    filesystem accessed via adb
-    """
-    pass
-
-
 class Conf(object):
     """Simple config parser"""
     boxes = {'busybox': {'ls': 'busybox ls -anel',