diff --git a/src/convert.cpp b/src/convert.cpp
index f7a67938..7af69520 100644
--- a/src/convert.cpp
+++ b/src/convert.cpp
@@ -323,7 +323,6 @@ namespace Exiv2 {
         { mdExif, "Exif.Image.YCbCrCoefficients",         "Xmp.tiff.YCbCrCoefficients",         &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Image.ReferenceBlackWhite",       "Xmp.tiff.ReferenceBlackWhite",       &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Image.DateTime",                  "Xmp.tiff.DateTime",                  &Converter::cnvExifDate , &Converter::cnvXmpDate  },
-        { mdExif, "Exif.Image.DateTime",                  "Xmp.xmp.ModifyDate",                 &Converter::cnvExifDate , &Converter::cnvXmpDate  },
         { mdExif, "Exif.Image.ImageDescription",          "Xmp.dc.description",                 &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Image.Make",                      "Xmp.tiff.Make",                      &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Image.Model",                     "Xmp.tiff.Model",                     &Converter::cnvExifValue, &Converter::cnvXmpValue },
@@ -341,9 +340,7 @@ namespace Exiv2 {
         { mdExif, "Exif.Photo.UserComment",               "Xmp.exif.UserComment",               &Converter::cnvExifComment, &Converter::cnvXmpComment },
         { mdExif, "Exif.Photo.RelatedSoundFile",          "Xmp.exif.RelatedSoundFile",          &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Photo.DateTimeOriginal",          "Xmp.exif.DateTimeOriginal",          &Converter::cnvExifDate,  &Converter::cnvXmpDate  },
-        { mdExif, "Exif.Photo.DateTimeOriginal",          "Xmp.photoshop.DateCreated",          &Converter::cnvExifDate,  &Converter::cnvXmpDate  },
         { mdExif, "Exif.Photo.DateTimeDigitized",         "Xmp.exif.DateTimeDigitized",         &Converter::cnvExifDate,  &Converter::cnvXmpDate  },
-        { mdExif, "Exif.Photo.DateTimeDigitized",         "Xmp.xmp.CreateDate",                 &Converter::cnvExifDate,  &Converter::cnvXmpDate  },
         { mdExif, "Exif.Photo.ExposureTime",              "Xmp.exif.ExposureTime",              &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Photo.FNumber",                   "Xmp.exif.FNumber",                   &Converter::cnvExifValue, &Converter::cnvXmpValue },
         { mdExif, "Exif.Photo.ExposureProgram",           "Xmp.exif.ExposureProgram",           &Converter::cnvExifValue, &Converter::cnvXmpValue },