diff --git a/group_vars/db_server.yml b/group_vars/db_server.yml
index 97f6298..acaded3 100644
--- a/group_vars/db_server.yml
+++ b/group_vars/db_server.yml
@@ -5,8 +5,6 @@ mysql_socket: /var/lib/mysql/mysql.sock
 mysql_port: 3306
 mysql_log_bin: /var/lib/mysql/mysql_binary_log
 mysql_log: /var/log/mysqld.log
-mysql_pid_dir: /var/run/mysqld
-mysql_pid_file: "{{ mysql_pid_dir }}/mysqld.pid"
 mysql_root_password: changeme
 
 # Supported database types: mysql,postgresql,...
diff --git a/roles/mariadb/templates/my.cnf.j2 b/roles/mariadb/templates/my.cnf.j2
index 9b88b67..819c8a1 100644
--- a/roles/mariadb/templates/my.cnf.j2
+++ b/roles/mariadb/templates/my.cnf.j2
@@ -42,4 +42,3 @@ innodb_log_file_size            = 512M
 
 [mysqld_safe]
 log-error = {{ mysql_log }}
-pid-file  = {{ mysql_pid_file }}
\ No newline at end of file