diff --git a/sources/ElementsCollection/elementscollectionwidget.cpp b/sources/ElementsCollection/elementscollectionwidget.cpp
index f59c3a1bf..f691b358b 100644
--- a/sources/ElementsCollection/elementscollectionwidget.cpp
+++ b/sources/ElementsCollection/elementscollectionwidget.cpp
@@ -638,7 +638,11 @@ void ElementsCollectionWidget::search()
 	}
 
 	hideCollection(true);
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList text_list = text.split("+", QString::SkipEmptyParts);
+#else
+	QStringList text_list = text.split("+", Qt::SkipEmptyParts);
+#endif
 	QModelIndexList match_index;
 	foreach (QString txt, text_list) {
 		match_index << m_model->match(m_showed_index.isValid() ? m_model->index(0,0,m_showed_index) : m_model->index(0,0),
diff --git a/sources/conductorproperties.cpp b/sources/conductorproperties.cpp
index 035287d63..90f187019 100644
--- a/sources/conductorproperties.cpp
+++ b/sources/conductorproperties.cpp
@@ -730,7 +730,11 @@ void ConductorProperties::readStyle(const QString &style_string) {
 	if (style_string.isEmpty()) return;
 	
 	// recupere la liste des couples style / valeur
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList styles = style_string.split(";", QString::SkipEmptyParts);
+#else
+	QStringList styles = style_string.split(";", Qt::SkipEmptyParts);
+#endif
 	
 	QRegExp rx("^\\s*([a-z-]+)\\s*:\\s*([a-z-]+)\\s*$");
 	foreach (QString style_str, styles) {
diff --git a/sources/editor/graphicspart/customelementgraphicpart.cpp b/sources/editor/graphicspart/customelementgraphicpart.cpp
index 3cb6f2e2f..fe4461a39 100644
--- a/sources/editor/graphicspart/customelementgraphicpart.cpp
+++ b/sources/editor/graphicspart/customelementgraphicpart.cpp
@@ -495,7 +495,11 @@ void CustomElementGraphicPart::stylesFromXml(const QDomElement &qde)
 	resetStyles();
 	
 		//Get the list of pair style/value
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList styles = qde.attribute("style").split(";", QString::SkipEmptyParts);
+#else
+	QStringList styles = qde.attribute("style").split(";", Qt::SkipEmptyParts);
+#endif
 	
 		//Check each pair of style
 	QRegExp rx("^\\s*([a-z-]+)\\s*:\\s*([a-zA-Z-]+)\\s*$");
diff --git a/sources/factory/elementpicturefactory.cpp b/sources/factory/elementpicturefactory.cpp
index 9e86d2019..5400ac46e 100644
--- a/sources/factory/elementpicturefactory.cpp
+++ b/sources/factory/elementpicturefactory.cpp
@@ -556,8 +556,11 @@ void ElementPictureFactory::setPainterStyle(const QDomElement &dom, QPainter &pa
 	pen.setCapStyle(Qt::SquareCap);
 
 		//Get the couples style/value
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	const QStringList styles = dom.attribute("style").split(";", QString::SkipEmptyParts);
-
+#else
+	const QStringList styles = dom.attribute("style").split(";", Qt::SkipEmptyParts);
+#endif
 	QRegExp rx("^\\s*([a-z-]+)\\s*:\\s*([a-zA-Z-]+)\\s*$");
 	for (QString style : styles) {
 		if (rx.exactMatch(style)) {
diff --git a/sources/qet.cpp b/sources/qet.cpp
index 0b5c68a71..7f71bea1b 100644
--- a/sources/qet.cpp
+++ b/sources/qet.cpp
@@ -447,8 +447,12 @@ QString QET::joinWithSpaces(const QStringList &string_list) {
 */
 QStringList QET::splitWithSpaces(const QString &string) {
 	// les chaines sont separees par des espaces non echappes = avec un nombre nul ou pair de backslashes devant
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList escaped_strings = string.split(QRegExp("[^\\]?(?:\\\\)* "), QString::SkipEmptyParts);
-	
+#else
+	QStringList escaped_strings = string.split(QRegExp("[^\\]?(?:\\\\)* "), Qt::SkipEmptyParts);
+#endif
+
 	QStringList returned_list;
 	foreach(QString escaped_string, escaped_strings) {
 		returned_list << QET::unescapeSpaces(escaped_string);
diff --git a/sources/titleblocktemplate.cpp b/sources/titleblocktemplate.cpp
index 2d45c20c1..bc786d846 100644
--- a/sources/titleblocktemplate.cpp
+++ b/sources/titleblocktemplate.cpp
@@ -334,8 +334,12 @@ void TitleBlockTemplate::parseRows(const QString &rows_string) {
 	// parse the rows attribute: we expect a serie of absolute heights
 	QRegExp row_size_format("^([0-9]+)(?:px)?$", Qt::CaseInsensitive);
 	bool conv_ok;
-	
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList rows_descriptions = rows_string.split(QChar(';'), QString::SkipEmptyParts);
+#else
+	QStringList rows_descriptions = rows_string.split(QChar(';'), Qt::SkipEmptyParts);
+#endif
 	foreach (QString rows_description, rows_descriptions) {
 		if (row_size_format.exactMatch(rows_description)) {
 			int row_size = row_size_format.capturedTexts().at(1).toInt(&conv_ok);
@@ -357,8 +361,12 @@ void TitleBlockTemplate::parseColumns(const QString &cols_string) {
 	QRegExp abs_col_size_format("^([0-9]+)(?:px)?$", Qt::CaseInsensitive);
 	QRegExp rel_col_size_format("^([rt])([0-9]+)%$", Qt::CaseInsensitive);
 	bool conv_ok;
-	
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)	// ### Qt 6: remove
 	QStringList cols_descriptions = cols_string.split(QChar(';'), QString::SkipEmptyParts);
+#else
+	QStringList cols_descriptions = cols_string.split(QChar(';'), Qt::SkipEmptyParts);
+#endif
 	foreach (QString cols_description, cols_descriptions) {
 		if (abs_col_size_format.exactMatch(cols_description)) {
 			int col_size = abs_col_size_format.capturedTexts().at(1).toInt(&conv_ok);