diff --git a/conf/.env b/conf/.env
index 61cbf9e..c79cff1 100644
--- a/conf/.env
+++ b/conf/.env
@@ -21,10 +21,6 @@ REDIS_URL=redis://localhost:6379
 URL=https://__DOMAIN__
 PORT=__PORT__
 
-# See [documentation](docs/SERVICES.md) on running a separate collaboration
-# server, for normal operation this does not need to be set.
-COLLABORATION_URL=
-
 # To support uploading of images for avatars and document attachments an
 # s3-compatible storage must be provided. AWS S3 is recommended for redundency
 # however if you want to keep all file storage local an alternative such as
@@ -45,33 +41,6 @@ AWS_S3_ACL=private
 
 # –––––––––––––– AUTHENTICATION ––––––––––––––
 
-# Third party signin credentials, at least ONE OF EITHER Google, Slack,
-# or Microsoft is required for a working installation or you'll have no sign-in
-# options.
-
-# To configure Slack auth, you'll need to create an Application at
-# => https://api.slack.com/apps
-#
-# When configuring the Client ID, add a redirect URL under "OAuth & Permissions":
-# https://<URL>/auth/slack.callback
-SLACK_KEY=
-SLACK_SECRET=
-
-# To configure Google auth, you'll need to create an OAuth Client ID at
-# => https://console.cloud.google.com/apis/credentials
-#
-# When configuring the Client ID, add an Authorized redirect URI:
-# https://<URL>/auth/google.callback
-GOOGLE_CLIENT_ID=
-GOOGLE_CLIENT_SECRET=
-
-# To configure Microsoft/Azure auth, you'll need to create an OAuth Client. See
-# the guide for details on setting up your Azure App:
-# => https://wiki.generaloutline.com/share/dfa77e56-d4d2-4b51-8ff8-84ea6608faa4
-AZURE_CLIENT_ID=
-AZURE_CLIENT_SECRET=
-AZURE_RESOURCE_APP_ID=
-
 # To configure generic OIDC auth, you'll need some kind of identity provider.
 # See documentation for whichever IdP you use to acquire the following info:
 # Redirect URI is https://<URL>/auth/oidc.callback
@@ -94,24 +63,6 @@ OIDC_SCOPES="openid profile email"
 
 # –––––––––––––––– OPTIONAL ––––––––––––––––
 
-# Base64 encoded private key and certificate for HTTPS termination. This is only
-# required if you do not use an external reverse proxy. See documentation:
-# https://wiki.generaloutline.com/share/1c922644-40d8-41fe-98f9-df2b67239d45
-SSL_KEY=
-SSL_CERT=
-
-# Base64 encoded private key and certificate for HTTPS termination. This is only
-# required if you do not use an external reverse proxy. See documentation:
-# https://wiki.generaloutline.com/share/1c922644-40d8-41fe-98f9-df2b67239d45
-SSL_KEY=
-SSL_CERT=
-
-# If using a Cloudfront/Cloudflare distribution or similar it can be set below.
-# This will cause paths to javascript, stylesheets, and images to be updated to
-# the hostname defined in CDN_URL. In your CDN configuration the origin server
-# should be set to the same as URL.
-CDN_URL=
-
 # Auto-redirect to https in production. The default is true but you may set to
 # false if you can be sure that SSL is terminated at an external loadbalancer.
 FORCE_HTTPS=true
@@ -132,24 +83,6 @@ MAXIMUM_IMPORT_SIZE=5120000
 # requests and this ends up being duplicative
 DEBUG=cache,presenters,events,emails,mailer,utils,http,server,processors
 
-# Comma separated list of domains to be allowed to signin to the wiki. If not
-# set, all domains are allowed by default when using Google OAuth to signin
-ALLOWED_DOMAINS=
-
-# For a complete Slack integration with search and posting to channels the
-# following configs are also needed, some more details
-# => https://wiki.generaloutline.com/share/be25efd1-b3ef-4450-b8e5-c4a4fc11e02a
-#
-SLACK_VERIFICATION_TOKEN=your_token
-SLACK_APP_ID=A0XXXXXXX
-SLACK_MESSAGE_ACTIONS=true
-
-# Optionally enable google analytics to track pageviews in the knowledge base
-GOOGLE_ANALYTICS_ID=
-
-# Optionally enable Sentry (sentry.io) to track errors and performance
-SENTRY_DSN=
-
 # To support sending outgoing transactional emails such as "document updated" or
 # "you've been invited" you'll need to provide authentication for an SMTP server
 SMTP_HOST='localhost'