diff --git a/README.md b/README.md
index f64a675..a1c7280 100644
--- a/README.md
+++ b/README.md
@@ -52,18 +52,11 @@ Appmode adds the following [configuration options](https://jupyter-notebook.read
 - `Appmode.show_edit_button` Show _Edit App_ button during Appmode. Default: True.
 - `Appmode.show_other_buttons` Show other buttons, e.g. Logout, during Appmode. Default: True.
 - `Appmode.temp_dir` Create temp notebooks under this directory. Default: Same directory as current notebook
-- `Appmode.hidden_temp_files` Create temp notebooks as hidden files. Default: True
 
-Writing to hidden files is disabled in newer versions of notebook. You will need to enable one of the following
-configuration options to run appmode:
+Writing hidden files is by default disabled in newer versions of Jupyter.
+To allow Appmode to hide its temporary notebook copies the option `ContentsManager.allow_hidden` has to be set:
 ```
-ContentsManager.allow_hidden=True
-or
-Appmode.hidden_temp_files=False
-```
-Example:
-```
-jupyter notebook --Appmode.hidden_temp_files=False
+jupyter notebook --ContentsManager.allow_hidden=True
 ```
 
 ## Client Side Customization
diff --git a/appmode/server_extension.py b/appmode/server_extension.py
index 717e149..8d80b3c 100644
--- a/appmode/server_extension.py
+++ b/appmode/server_extension.py
@@ -32,7 +32,6 @@ class Appmode(LoggingConfigurable):
     show_edit_button = Bool(True, help="Show Edit App button during Appmode.", config=True)
     show_other_buttons = Bool(True, help="Show other buttons, e.g. Logout, during Appmode.", config=True)
     temp_dir = Unicode('', help="Create temporary Appmode notebooks in this directory.", config=True)
-    hidden_temp_files = Bool(True, help="Temporary Appmode notebooks are hidden files.", config=True)
 
 #===============================================================================
 class AppmodeHandler(IPythonHandler):
@@ -52,10 +51,6 @@ def show_other_buttons(self):
     def temp_dir(self):
         return self.settings['appmode'].temp_dir
 
-    @property
-    def hidden_temp_files(self):
-        return self.settings['appmode'].hidden_temp_files
-
     #===========================================================================
     @web.authenticated
     async def get(self, path):
@@ -134,7 +129,7 @@ async def mk_tmp_copy(self, path):
             os.makedirs(dirname)
         fullbasename = os.path.basename(path)
         basename, ext = os.path.splitext(fullbasename)
-        if self.hidden_temp_files:
+        if cm.allow_hidden:
             basename = '.' + basename
         for i in itertools.count():
             tmp_path = "%s/%s-%i%s"%(dirname, basename, i, ext)