diff --git a/CHANGELOG.md b/CHANGELOG.md
index 138c16d..14e9ed8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/) and [Keep a changelog](https://github.com/olivierlacan/keep-a-changelog).
 ## Unrealeased
 
+## [4.5.4](https://github.com/idealista/mysql_role/tree/4.5.4)
+[Full Changelog](https://github.com/idealista/mysql_role/compare/4.5.3...4.5.4)
+### Removed
+- *[#94](https://github.com/idealista/mysql_role/issues/97) Remove variable in "vars" to make the variable in "defauts" work* @xtianae7
+
 ## [4.5.3](https://github.com/idealista/mysql_role/tree/4.5.3)
 [Full Changelog](https://github.com/idealista/mysql_role/compare/4.5.2...4.5.3)
 ### Fixed
@@ -13,7 +18,7 @@ This project adheres to [Semantic Versioning](http://semver.org/) and [Keep a ch
 ## [4.5.2](https://github.com/idealista/mysql_role/tree/4.5.2)
 [Full Changelog](https://github.com/idealista/mysql_role/compare/4.5.1...4.5.2)
 ### Fixed
-- *[#91](https://github.com/idealista/mysql_role/issues/91) defaulted http_agent parameter to null when downloading MySQL config deb* @cardiente
+- *[#91](https://github.com/idealista/mysql_role/issues/91) defaulted http_agent parameter to null when downloading MySQL config deb* @xtianae7
 
 ## [4.5.1](https://github.com/idealista/mysql_role/tree/4.5.1)
 [Full Changelog](https://github.com/idealista/mysql_role/compare/4.5.0...4.5.1)
diff --git a/vars/mariadb.yml b/vars/mariadb.yml
index c287e0e..c75e2db 100644
--- a/vars/mariadb.yml
+++ b/vars/mariadb.yml
@@ -1,6 +1,4 @@
 ---
-mysql_required_libs:
-  - python3-mysqldb
 
 mysql_packages:
   - mysql-common