diff --git a/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml b/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
index 65b295c94..30d42475b 100644
--- a/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
+++ b/roles/matrix-bridge-mx-puppet-slack/defaults/main.yml
@@ -27,8 +27,6 @@ matrix_mx_puppet_slack_homeserver_address: "{{ matrix_homeserver_container_url }
 matrix_mx_puppet_slack_homeserver_domain: '{{ matrix_domain }}'
 matrix_mx_puppet_slack_appservice_address: 'http://matrix-mx-puppet-slack:{{ matrix_mx_puppet_slack_appservice_port }}'
 
-matrix_mx_puppet_slack_client_id: ''
-matrix_mx_puppet_slack_client_secret: ''
 matrix_mx_puppet_slack_redirect_path: '/slack/oauth'
 matrix_mx_puppet_slack_redirect_uri: 'https://{{ matrix_server_fqn_matrix }}{{ matrix_mx_puppet_slack_redirect_path }}'