diff --git a/setup.cfg b/setup.cfg
index 5e6303e1..9b851748 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,7 +20,6 @@ classifier =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.4
-    Programming Language :: Python :: Implementation :: PyPy
 
 [global]
 setup-hooks =
diff --git a/tox.ini b/tox.ini
index 23561b2b..33bf9f02 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py34,py27,pypy,pep8
+envlist = py34,py27,pep8
 skipsdist = True
 
 [testenv]