diff --git a/roles/backup_client/defaults/main.yml b/roles/backup_client/defaults/main.yml
index 3c30b0bdb095bbc8b23f36e2a7127ed435d3f751..350a361d734f23639f116d51064070e3d7cf0ff9 100644
--- a/roles/backup_client/defaults/main.yml
+++ b/roles/backup_client/defaults/main.yml
@@ -4,8 +4,3 @@ backup_additional_encryption_keys: []
 backup_client_username: "bak-{{ ansible_fqdn | replace('.', '_') }}"
 backup_server_destination: /duplicity
 backup_server_port: 2222
-
-# Internal parameters.
-backup_client_pexpect_package:
-  buster: python-pexpect
-  bullseye: python3-pexpect