diff --git a/requirements.txt b/requirements.txt
index 92fd9d4..c867cd6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,12 +3,9 @@ pyOpenSSL==0.15.1
 requests==2.13.0
 
 # Secondary requirements
-appdirs==1.4.2
 cffi==1.9.1
 cryptography<1.5  # see https://github.com/burnash/gspread/issues/407
 idna==2.4
 pyasn1==0.2.3
-packaging==16.8
 pycparser==2.17
-pyparsing==2.1.10
 six==1.10.0