--- toil.orig/setup.py
+++ toil/setup.py
@@ -47,7 +47,6 @@
     dateutil = 'python-dateutil'
     addict = 'addict<=2.2.0'
     sphinx = 'sphinx==1.7.5'
-    pathlib2 = 'pathlib2==2.3.2'
 
     core_reqs = [
         dill,
@@ -58,8 +57,7 @@
         dateutil,
         psutil,
         subprocess32,
-        sphinx,
-        pathlib2]
+        sphinx]
 
     mesos_reqs = [
         addict,
