diff --git a/tox.ini b/tox.ini
index 00af177..9c703d8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -58,7 +58,6 @@ commands =
 [testenv:py37-interop]
 deps =
     p2pclient
-    pexpect
 passenv = CI TRAVIS TRAVIS_* GOPATH
 extras = test
 commands =