diff --git a/Procfile b/Procfile
index efc0d76f..d9bc71ca 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: gunicorn -k gevent todo:app --log-file -
+web: gunicorn todo:app --log-file -
diff --git a/requirements.txt b/requirements.txt
index 32b3b4da..528e4628 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,6 @@ decorator==3.4.2
 Flask==0.10.1
 Flask-Cors==2.0.1
 Flask-SQLAlchemy==2.0
-gevent==1.0.2
-greenlet==0.4.7
 gunicorn==19.3.0
 itsdangerous==0.24
 Jinja2==2.7.3