diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b3383cc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+venv/*
+*.pyc
+*.ipynb
+.ipynb_checkpoints/*
+.idea/
+.python-version
diff --git a/notebook/jupyter_notebook_config.py b/notebook/jupyter_notebook_config.py
index f5fe10a..f3bcd38 100644
--- a/notebook/jupyter_notebook_config.py
+++ b/notebook/jupyter_notebook_config.py
@@ -1,11 +1,5 @@
 # Copyright (c) Jupyter Development Team.
-from jupyter_core.paths import jupyter_data_dir
-import subprocess
 import os
-import errno
-import stat
-
-PEM_FILE = os.path.join(jupyter_data_dir(), 'notebook.pem')
 
 c = get_config()
 c.NotebookApp.ip = '0.0.0.0'
@@ -27,26 +21,6 @@
     'text/plain'
 ]
 
-# Set a certificate if USE_HTTPS is set to any value
-if 'USE_HTTPS' in os.environ:
-    if not os.path.isfile(PEM_FILE):
-        # Ensure PEM_FILE directory exists
-        dir_name = os.path.dirname(PEM_FILE)
-        try:
-            os.makedirs(dir_name)
-        except OSError as exc: # Python >2.5
-            if exc.errno == errno.EEXIST and os.path.isdir(dir_name):
-                pass
-            else: raise
-        # Generate a certificate if one doesn't exist on disk
-        subprocess.check_call(['openssl', 'req', '-new',
-            '-newkey', 'rsa:2048', '-days', '365', '-nodes', '-x509',
-            '-subj', '/C=XX/ST=XX/L=XX/O=generated/CN=generated',
-            '-keyout', PEM_FILE, '-out', PEM_FILE])
-        # Restrict access to PEM_FILE
-        os.chmod(PEM_FILE, stat.S_IRUSR | stat.S_IWUSR)
-    c.NotebookApp.certfile = PEM_FILE
-
 # Set a password if PASSWORD is set
 if 'PASSWORD' in os.environ:
     from IPython.lib import passwd