diff --git a/src/plugins/diffeditor/differ.cpp b/src/plugins/diffeditor/differ.cpp
index bd65e4bb407..fba5a4076e3 100644
--- a/src/plugins/diffeditor/differ.cpp
+++ b/src/plugins/diffeditor/differ.cpp
@@ -516,7 +516,7 @@ QList<Diff> Differ::diffNonCharMode(const QString text1, const QString text2)
     for (int i = 0; i <= diffList.count(); i++) {
         const Diff diffItem = i < diffList.count()
                   ? diffList.at(i)
-                  : Diff(Diff::Equal, QLatin1String("")); // dummy, ensure we process to the end even when diffList doesn't end with equality
+                  : Diff(Diff::Equal); // dummy, ensure we process to the end even when diffList doesn't end with equality
         if (diffItem.command == Diff::Delete) {
             lastDelete += diffItem.text;
         } else if (diffItem.command == Diff::Insert) {
@@ -605,7 +605,7 @@ QList<Diff> Differ::merge(const QList<Diff> &diffList)
     for (int i = 0; i <= diffList.count(); i++) {
         Diff diff = i < diffList.count()
                   ? diffList.at(i)
-                  : Diff(Diff::Equal, QString()); // dummy, ensure we process to the end even when diffList doesn't end with equality
+                  : Diff(Diff::Equal); // dummy, ensure we process to the end even when diffList doesn't end with equality
         if (diff.command == Diff::Delete) {
             lastDelete += diff.text;
         } else if (diff.command == Diff::Insert) {
@@ -685,7 +685,7 @@ QList<Diff> Differ::cleanupSemantics(const QList<Diff> &diffList)
     for (int i = 0; i <= diffList.count(); i++) {
         Diff diff = i < diffList.count()
                   ? diffList.at(i)
-                  : Diff(Diff::Equal, QString()); // dummy, ensure we process to the end even when diffList doesn't end with equality
+                  : Diff(Diff::Equal); // dummy, ensure we process to the end even when diffList doesn't end with equality
         if (diff.command == Diff::Equal) {
             if (!equalities.isEmpty()) {
                 EqualityData &previousData = equalities.last();
diff --git a/src/plugins/diffeditor/differ.h b/src/plugins/diffeditor/differ.h
index 89ed32eeb82..1387632755c 100644
--- a/src/plugins/diffeditor/differ.h
+++ b/src/plugins/diffeditor/differ.h
@@ -50,7 +50,7 @@ public:
     };
     Command command;
     QString text;
-    Diff(Command com, const QString &txt);
+    Diff(Command com, const QString &txt = QString());
     Diff();
     bool operator==(const Diff &other) const;
     bool operator!=(const Diff &other) const;