3 files changed, 6 insertions, 6 deletions
diff --git a/src/plugins/sqldrivers/mysql/qsql_mysql_p.h b/src/plugins/sqldrivers/mysql/qsql_mysql_p.h
index 48b04fb1f5..9ccc8f4e4f 100644
--- a/src/plugins/sqldrivers/mysql/qsql_mysql_p.h
+++ b/src/plugins/sqldrivers/mysql/qsql_mysql_p.h
@@ -75,8 +75,8 @@ class Q_EXPORT_SQLDRIVER_MYSQL QMYSQLDriver : public QSqlDriver
     Q_DECLARE_PRIVATE(QMYSQLDriver)
     Q_OBJECT
 public:
-    explicit QMYSQLDriver(QObject *parent=0);
-    explicit QMYSQLDriver(MYSQL *con, QObject * parent=0);
+    explicit QMYSQLDriver(QObject *parent=nullptr);
+    explicit QMYSQLDriver(MYSQL *con, QObject * parent=nullptr);
     ~QMYSQLDriver();
     bool hasFeature(DriverFeature f) const override;
     bool open(const QString & db,
diff --git a/src/plugins/sqldrivers/sqlite2/qsql_sqlite2_p.h b/src/plugins/sqldrivers/sqlite2/qsql_sqlite2_p.h
index 48c64536f1..57db0a4d47 100644
--- a/src/plugins/sqldrivers/sqlite2/qsql_sqlite2_p.h
+++ b/src/plugins/sqldrivers/sqlite2/qsql_sqlite2_p.h
@@ -76,8 +76,8 @@ class Q_EXPORT_SQLDRIVER_SQLITE2 QSQLite2Driver : public QSqlDriver
     Q_DECLARE_PRIVATE(QSQLite2Driver)
     Q_OBJECT
 public:
-    explicit QSQLite2Driver(QObject *parent = 0);
-    explicit QSQLite2Driver(sqlite *connection, QObject *parent = 0);
+    explicit QSQLite2Driver(QObject *parent = nullptr);
+    explicit QSQLite2Driver(sqlite *connection, QObject *parent = nullptr);
     ~QSQLite2Driver();
     bool hasFeature(DriverFeature f) const override;
     bool open(const QString &db,
diff --git a/src/plugins/sqldrivers/tds/qsql_tds_p.h b/src/plugins/sqldrivers/tds/qsql_tds_p.h
index 948e3c7024..b72fababbb 100644
--- a/src/plugins/sqldrivers/tds/qsql_tds_p.h
+++ b/src/plugins/sqldrivers/tds/qsql_tds_p.h
@@ -85,8 +85,8 @@ class Q_EXPORT_SQLDRIVER_TDS QTDSDriver : public QSqlDriver
     Q_OBJECT
     friend class QTDSResultPrivate;
 public:
-    explicit QTDSDriver(QObject* parent = 0);
-    QTDSDriver(LOGINREC* rec, const QString& host, const QString &db, QObject* parent = 0);
+    explicit QTDSDriver(QObject* parent = nullptr);
+    QTDSDriver(LOGINREC* rec, const QString& host, const QString &db, QObject* parent = nullptr);
     ~QTDSDriver();
     bool hasFeature(DriverFeature f) const override;
     bool open(const QString &db,