diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp
index a547b1f15bb..010c02eafa3 100644
--- a/src/sql/kernel/qsqldatabase.cpp
+++ b/src/sql/kernel/qsqldatabase.cpp
@@ -24,7 +24,7 @@ using namespace Qt::StringLiterals;
 Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
                           (QSqlDriverFactoryInterface_iid, "/sqldrivers"_L1))
 
-const char *QSqlDatabase::defaultConnection = const_cast<char *>("qt_sql_default_connection");
+const char *QSqlDatabase::defaultConnection = "qt_sql_default_connection";
 
 typedef QHash<QString, QSqlDriverCreatorBase*> DriverDict;