diff --git a/requirements.txt b/requirements.txt
index eb1b7002..1bd4080f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,6 @@ zencoder==0.6.5
 Flask-PyMongo==0.4.1
 Jinja2==2.8
 Werkzeug==0.11.10
-appdirs==1.4.2
 CommonMark==0.7.2
 future==0.15.2
 html5lib==0.9999999
@@ -43,12 +42,10 @@ googleapis-common-protos==1.1.0
 itsdangerous==0.24
 oauth2client==2.0.2
 oauthlib==2.0.1
-packaging==16.8
 protobuf==3.0.0b2.post2
 protorpc==0.11.1
 pyasn1-modules==0.0.8
 pymongo==3.2.2
-pyparsing==2.1.10
 requests-oauthlib==0.7.0
 rsa==3.4.2
 six==1.10.0