diff --git a/doc/install-on-macosx.md b/doc/install-on-macosx.md
index 02b3c9b74..481cb0df4 100644
--- a/doc/install-on-macosx.md
+++ b/doc/install-on-macosx.md
@@ -14,7 +14,7 @@ sudo easy_install pip  # If you're using Anaconda, then this is unnecessary.
 
 pip install numpy funcsigs colorama psutil redis --ignore-installed six
 pip install --upgrade git+git://github.com/cloudpipe/cloudpickle.git@0d225a4695f1f65ae1cbb2e0bbc145e10167cce4  # We use the latest version of cloudpickle because it can serialize named tuples.
-pip install --upgrade --verbose "git+git://github.com/ray-project/ray.git#egg=ray&subdirectory=numbuf"
+pip install --upgrade --verbose "git+git://github.com/ray-project/ray.git#egg=numbuf&subdirectory=numbuf"
 ```
 
 # Install Ray
diff --git a/doc/install-on-ubuntu.md b/doc/install-on-ubuntu.md
index 9d8c50a77..4ab6468ff 100644
--- a/doc/install-on-ubuntu.md
+++ b/doc/install-on-ubuntu.md
@@ -14,7 +14,7 @@ sudo apt-get install -y cmake build-essential autoconf curl libtool python-dev p
 
 pip install numpy funcsigs colorama psutil redis
 pip install --upgrade git+git://github.com/cloudpipe/cloudpickle.git@0d225a4695f1f65ae1cbb2e0bbc145e10167cce4  # We use the latest version of cloudpickle because it can serialize named tuples.
-pip install --upgrade --verbose "git+git://github.com/ray-project/ray.git#egg=ray&subdirectory=numbuf"
+pip install --upgrade --verbose "git+git://github.com/ray-project/ray.git#egg=numbuf&subdirectory=numbuf"
 ```
 
 # Install Ray
diff --git a/lib/python/setup.py b/lib/python/setup.py
index 7d5c444eb..a880f9ea8 100644
--- a/lib/python/setup.py
+++ b/lib/python/setup.py
@@ -35,8 +35,7 @@ setup(name="ray",
                         "colorama",
                         "psutil",
                         "redis",
-                        "cloudpickle",
-                        "numbuf==0.0.1"],
+                        "cloudpickle"],
       include_package_data=True,
       zip_safe=False,
       license="Apache 2.0")