diff --git a/_pytest/pytester.py b/_pytest/pytester.py
index f32b0414c..fa52001b2 100644
--- a/_pytest/pytester.py
+++ b/_pytest/pytester.py
@@ -515,6 +515,8 @@ class TmpTestdir:
 
     def spawn(self, cmd, expect_timeout=10.0):
         pexpect = py.test.importorskip("pexpect", "2.4")
+        if hasattr(sys, 'pypy_version_info') and '64' in py.std.platform.machine():
+            pytest.skip("pypy-64 bit not supported")
         logfile = self.tmpdir.join("spawn.out")
         child = pexpect.spawn(cmd, logfile=logfile.open("w"))
         child.timeout = expect_timeout
diff --git a/tox.ini b/tox.ini
index ce98fcb8d..4777b51c3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -59,9 +59,6 @@ commands=
 [testenv:py32]
 deps=py>=1.4.0
 
-[testenv:pypy]
-basepython=pypy-c
-
 [testenv:jython]
 changedir=testing
 commands=