diff --git a/highlighter.h b/highlighter.h
deleted file mode 100644
index 955dcd998707d383355805f4ccb0024048fe4d53..0000000000000000000000000000000000000000
--- a/highlighter.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef HIGHLIGHTER_H
-#define HIGHLIGHTER_H
-
-#include <QSyntaxHighlighter>
-#include <QtXml>
-
-class Highlighter : public QSyntaxHighlighter
-{
-    Q_OBJECT
-
-public:
-    Highlighter(QFile *xml, QString lang, QTextDocument *parent = 0);
-
-protected:
-    void highlightBlock(const QString &text) override;
-
-private:
-    struct HighlightingRule
-    {
-        QRegularExpression pattern;
-        QTextCharFormat format;
-    };
-    QVector<HighlightingRule> highlightingRules;
-};
-
-#endif // HIGHLIGHTER_H