diff --git a/src/plugins/sqldrivers/qt_cmdline.cmake b/src/plugins/sqldrivers/qt_cmdline.cmake
index 91b6f9f7679..93991fb2a96 100644
--- a/src/plugins/sqldrivers/qt_cmdline.cmake
+++ b/src/plugins/sqldrivers/qt_cmdline.cmake
@@ -15,4 +15,3 @@ qt_commandline_option(plugin-sql-oci TYPE void NAME sql-oci)
 qt_commandline_option(plugin-sql-odbc TYPE void NAME sql-odbc)
 qt_commandline_option(plugin-sql-psql TYPE void NAME sql-psql)
 qt_commandline_option(plugin-sql-sqlite TYPE void NAME sql-sqlite)
-qt_commandline_assignment(MYSQL_PATH mysql.prefix)