diff --git a/roles/matrix-bridge-mx-puppet-slack/templates/config.yaml.j2 b/roles/matrix-bridge-mx-puppet-slack/templates/config.yaml.j2
index 01714cb30..b1917b868 100644
--- a/roles/matrix-bridge-mx-puppet-slack/templates/config.yaml.j2
+++ b/roles/matrix-bridge-mx-puppet-slack/templates/config.yaml.j2
@@ -18,10 +18,6 @@ bridge:
 # Slack OAuth settings. Create a slack app at https://api.slack.com/apps
 oauth:
   enabled: true
-  # Slack app credentials.
-  # N.B. This must be quoted so YAML wouldn't parse it as a float.
-  clientId: "{{ matrix_mx_puppet_slack_client_id }}"
-  clientSecret: {{ matrix_mx_puppet_slack_client_secret }}
   # Path where to listen for OAuth redirect callbacks.
   redirectPath: {{ matrix_mx_puppet_slack_redirect_path }}
   # Set up proxying from https://your.domain/redirect_path to http://bindAddress:port/redirect_path,