diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 33c2a61..88bca9f 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -8,6 +8,9 @@
 # Required
 version: 2
 
+sphinx:
+  configuration: docs/conf.py
+
 build:
   os: ubuntu-20.04
   tools:
diff --git a/docs/conf.py b/docs/conf.py
index 745db70..48c80a9 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -113,7 +113,6 @@
 import sphinx_rtd_theme
 
 html_theme = "sphinx_rtd_theme"
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
diff --git a/examples/oauth2_simpletest.py b/examples/oauth2_simpletest.py
index c1c6881..878b83e 100644
--- a/examples/oauth2_simpletest.py
+++ b/examples/oauth2_simpletest.py
@@ -1,25 +1,23 @@
 # SPDX-FileCopyrightText: 2020 Brent Rubell, written for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 import ssl
 import wifi
 import socketpool
 import adafruit_requests
 from adafruit_oauth2 import OAuth2
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("Credentials and tokens are kept in secrets.py, please add them there!")
-    raise
+# Get WiFi details and Google keys, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+google_client_id = getenv("google_client_id")
+google_client_secret = getenv("google_client_secret")
 
-print("Connecting to %s" % secrets["ssid"])
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print("Connected to %s!" % secrets["ssid"])
+print(f"Connecting to {ssid}")
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}")
 
 pool = socketpool.SocketPool(wifi.radio)
 requests = adafruit_requests.Session(pool, ssl.create_default_context())
@@ -29,9 +27,7 @@
 scopes = ["email"]
 
 # Initialize an OAuth2 object
-google_auth = OAuth2(
-    requests, secrets["google_client_id"], secrets["google_client_secret"], scopes
-)
+google_auth = OAuth2(requests, google_client_id, google_client_secret, scopes)
 
 # Request device and user codes
 # https://developers.google.com/identity/protocols/oauth2/limited-input-device#step-1:-request-device-and-user-codes
diff --git a/examples/oauth2_simpletest_cpython.py b/examples/oauth2_simpletest_cpython.py
index cd3a43b..3fa8025 100644
--- a/examples/oauth2_simpletest_cpython.py
+++ b/examples/oauth2_simpletest_cpython.py
@@ -1,20 +1,16 @@
 # SPDX-FileCopyrightText: 2020 Brent Rubell, written for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 import socket
 import ssl
 import adafruit_requests
 from adafruit_oauth2 import OAuth2
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with Google
-# application tokens. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("Credentials and tokens are kept in secrets.py, please add them there!")
-    raise
+# Get Google keys, ensure these are setup in settings.toml
+google_client_id = getenv("google_client_id")
+google_client_secret = getenv("google_client_secret")
 
 requests = adafruit_requests.Session(socket, ssl.create_default_context())
 
@@ -22,9 +18,7 @@
 scopes = ["email"]
 
 # Initialize an OAuth2 object
-google_auth = OAuth2(
-    requests, secrets["google_client_id"], secrets["google_client_secret"], scopes
-)
+google_auth = OAuth2(requests, google_client_id, google_client_secret, scopes)
 
 # Request device and user codes
 # https://developers.google.com/identity/protocols/oauth2/limited-input-device#step-1:-request-device-and-user-codes
diff --git a/examples/oauth2_simpletest_esp32spi.py b/examples/oauth2_simpletest_esp32spi.py
index 1172d5f..1428acc 100644
--- a/examples/oauth2_simpletest_esp32spi.py
+++ b/examples/oauth2_simpletest_esp32spi.py
@@ -1,6 +1,8 @@
 # SPDX-FileCopyrightText: 2020 Brent Rubell, written for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 import board
 import busio
 from digitalio import DigitalInOut
@@ -10,15 +12,11 @@
 import adafruit_requests
 from adafruit_oauth2 import OAuth2
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("Credentials and tokens are kept in secrets.py, please add them there!")
-    raise
+# Get WiFi details and Google keys, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+google_client_id = getenv("google_client_id")
+google_client_secret = getenv("google_client_secret")
 
 esp32_cs = DigitalInOut(board.ESP_CS)
 esp32_ready = DigitalInOut(board.ESP_BUSY)
@@ -30,7 +28,7 @@
 print("Connecting to AP...")
 while not esp.is_connected:
     try:
-        esp.connect_AP(secrets["ssid"], secrets["password"])
+        esp.connect_AP(ssid, password)
     except RuntimeError as e:
         print("could not connect to AP, retrying: ", e)
         continue
@@ -45,9 +43,7 @@
 scopes = ["email"]
 
 # Initialize an OAuth2 object
-google_auth = OAuth2(
-    requests, secrets["google_client_id"], secrets["google_client_secret"], scopes
-)
+google_auth = OAuth2(requests, google_client_id, google_client_secret, scopes)
 
 # Request device and user codes
 # https://developers.google.com/identity/protocols/oauth2/limited-input-device#step-1:-request-device-and-user-codes