diff --git a/ci/travis/test-wheels.sh b/ci/travis/test-wheels.sh
index 07425a876..60cca850b 100755
--- a/ci/travis/test-wheels.sh
+++ b/ci/travis/test-wheels.sh
@@ -85,7 +85,7 @@ if [[ "$platform" == "linux" ]]; then
 
   # Check that the other wheels are present.
   NUMBER_OF_WHEELS=$(ls -1q "$ROOT_DIR"/../../.whl/*.whl | wc -l)
-  if [[ "$NUMBER_OF_WHEELS" != "4" ]]; then
+  if [[ "$NUMBER_OF_WHEELS" != "3" ]]; then
     echo "Wrong number of wheels found."
     ls -l "$ROOT_DIR/../.whl/"
     exit 2
@@ -93,9 +93,8 @@ if [[ "$platform" == "linux" ]]; then
 
 elif [[ "$platform" == "macosx" ]]; then
   MACPYTHON_PY_PREFIX=/Library/Frameworks/Python.framework/Versions
-  PY_WHEEL_VERSIONS=("35" "36" "37" "38")
-  PY_MMS=("3.5"
-          "3.6"
+  PY_WHEEL_VERSIONS=("36" "37" "38")
+  PY_MMS=("3.6"
           "3.7"
           "3.8")
 
diff --git a/doc/dev/RELEASE_PROCESS.rst b/doc/dev/RELEASE_PROCESS.rst
index 98ee46264..90de97faa 100644
--- a/doc/dev/RELEASE_PROCESS.rst
+++ b/doc/dev/RELEASE_PROCESS.rst
@@ -76,7 +76,7 @@ This document describes the process for creating new releases.
 
    The results should be checked in under ``doc/dev/release_logs/<version>``.
 
-   You can also get the performance change rate from the previous version using 
+   You can also get the performance change rate from the previous version using
    microbenchmark_analysis.py
 
 5. **Resolve release-blockers:** If a release blocking issue arises, there are
@@ -121,14 +121,14 @@ This document describes the process for creating new releases.
        export RAY_VERSION=...  # e.g., 0.7.0
 
        # Linux Wheels
-       pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp35-cp35m-manylinux1_x86_64.whl
        pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp36-cp36m-manylinux1_x86_64.whl
        pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp37-cp37m-manylinux1_x86_64.whl
+       pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp38-cp38-manylinux1_x86_64.whl
 
        # Mac Wheels
-       pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp35-cp35m-macosx_10_13_intel.whl
        pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp36-cp36m-macosx_10_13_intel.whl
        pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp37-cp37m-macosx_10_13_intel.whl
+       pip install -U https://s3-us-west-2.amazonaws.com/ray-wheels/releases/$RAY_VERSION/$RAY_HASH/ray-$RAY_VERSION-cp38-cp38-macosx_10_13_x86_64.whl
 
    This can be tested if you use the script source ./bin/download_wheels.sh
 
@@ -162,9 +162,9 @@ This document describes the process for creating new releases.
 
    Do this at least for MacOS and Linux.
 
-   This process is automated. Run ./bin/pip_download_test.sh. 
-   This will download the ray from the test pypi repository and run the minimum 
-   sanity check from all the Python version supported. (3.5, 3.6, 3.7, 3.8)
+   This process is automated. Run ./bin/pip_download_test.sh.
+   This will download the ray from the test pypi repository and run the minimum
+   sanity check from all the Python version supported. (3.6, 3.7, 3.8)
 
 
 9. **Upload to PyPI:** Now that you've tested the wheels on the PyPI test
diff --git a/doc/source/installation.rst b/doc/source/installation.rst
index f03b0c631..7473918da 100644
--- a/doc/source/installation.rst
+++ b/doc/source/installation.rst
@@ -37,18 +37,15 @@ instead of the ones above:
 `Linux Python 3.8`_  `MacOS Python 3.8`_  `Windows Python 3.8`_
 `Linux Python 3.7`_  `MacOS Python 3.7`_  `Windows Python 3.7`_
 `Linux Python 3.6`_  `MacOS Python 3.6`_  `Windows Python 3.6`_
-`Linux Python 3.5`_  `MacOS Python 3.5`_
 ===================  ===================  ======================
 
 .. _`Linux Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-manylinux1_x86_64.whl
 .. _`Linux Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-manylinux1_x86_64.whl
 .. _`Linux Python 3.6`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp36-cp36m-manylinux1_x86_64.whl
-.. _`Linux Python 3.5`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp35-cp35m-manylinux1_x86_64.whl
 
 .. _`MacOS Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-macosx_10_13_x86_64.whl
 .. _`MacOS Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-macosx_10_13_intel.whl
 .. _`MacOS Python 3.6`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp36-cp36m-macosx_10_13_intel.whl
-.. _`MacOS Python 3.5`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp35-cp35m-macosx_10_13_intel.whl
 
 .. _`Windows Python 3.8`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp38-cp38-win_amd64.whl
 .. _`Windows Python 3.7`: https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.9.0.dev0-cp37-cp37m-win_amd64.whl
diff --git a/python/build-wheel-macos.sh b/python/build-wheel-macos.sh
index eca1f60f9..04fefa1f8 100755
--- a/python/build-wheel-macos.sh
+++ b/python/build-wheel-macos.sh
@@ -13,23 +13,19 @@ MACPYTHON_URL=https://www.python.org/ftp/python
 MACPYTHON_PY_PREFIX=/Library/Frameworks/Python.framework/Versions
 DOWNLOAD_DIR=python_downloads
 
-PY_VERSIONS=("3.5.3"
-             "3.6.1"
+PY_VERSIONS=("3.6.1"
              "3.7.0"
              "3.8.2")
-PY_INSTS=("python-3.5.3-macosx10.6.pkg"
-          "python-3.6.1-macosx10.6.pkg"
+PY_INSTS=("python-3.6.1-macosx10.6.pkg"
           "python-3.7.0-macosx10.6.pkg"
           "python-3.8.2-macosx10.9.pkg")
-PY_MMS=("3.5"
-        "3.6"
+PY_MMS=("3.6"
         "3.7"
         "3.8")
 
 # The minimum supported numpy version is 1.14, see
 # https://issues.apache.org/jira/browse/ARROW-3141
 NUMPY_VERSIONS=("1.14.5"
-                "1.14.5"
                 "1.14.5"
                 "1.14.5")
 
diff --git a/python/build-wheel-manylinux1.sh b/python/build-wheel-manylinux1.sh
index 1b5bb8c60..eb55c844b 100755
--- a/python/build-wheel-manylinux1.sh
+++ b/python/build-wheel-manylinux1.sh
@@ -11,15 +11,13 @@ echo 10
 EOF
 chmod +x /usr/bin/nproc
 
-PYTHONS=("cp35-cp35m"
-         "cp36-cp36m"
+PYTHONS=("cp36-cp36m"
          "cp37-cp37m"
          "cp38-cp38")
 
 # The minimum supported numpy version is 1.14, see
 # https://issues.apache.org/jira/browse/ARROW-3141
 NUMPY_VERSIONS=("1.14.5"
-                "1.14.5"
                 "1.14.5"
                 "1.14.5")
 
diff --git a/python/setup.py b/python/setup.py
index 69af6cc08..bace8d4f1 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
 # before these files have been created, so we have to move the files
 # manually.
 
-SUPPORTED_PYTHONS = [(3, 5), (3, 6), (3, 7), (3, 8)]
+SUPPORTED_PYTHONS = [(3, 6), (3, 7), (3, 8)]
 SUPPORTED_BAZEL = (3, 2, 0)
 
 ROOT_DIR = os.path.dirname(__file__)