diff --git a/imageinfo.cpp b/imageinfo.cpp
index fb3c587..0088205 100644
--- a/imageinfo.cpp
+++ b/imageinfo.cpp
@@ -51,14 +51,6 @@ FITSRecord::FITSRecord(const LibXISF::Property &property)
     xisf = true;
 }
 
-QByteArray FITSRecord::valueToByteArray() const
-{
-    if(value.type() == QVariant::Bool)
-        return value.toBool() ? "T" : "F";
-    else
-        return value.toString().toLatin1();
-}
-
 ImageInfo::ImageInfo(QWidget *parent) : QTreeWidget(parent)
 {
     setColumnCount(3);
diff --git a/imageinfo.h b/imageinfo.h
index 2a194f7..7d1ac36 100644
--- a/imageinfo.h
+++ b/imageinfo.h
@@ -19,7 +19,6 @@ struct FITSRecord
     FITSRecord(const QByteArray &key, const QVariant &value, const QByteArray &comment);
     FITSRecord(const LibXISF::FITSKeyword &record);
     FITSRecord(const LibXISF::Property &property);
-    QByteArray valueToByteArray() const;
 };
 
 class SkyPoint