diff --git a/src/tiffcomposite_int.hpp b/src/tiffcomposite_int.hpp
index fed04db20f..6c7ade329d 100644
--- a/src/tiffcomposite_int.hpp
+++ b/src/tiffcomposite_int.hpp
@@ -1557,16 +1557,14 @@ namespace Exiv2 {
     template<uint16_t dtTag, IfdId dtGroup>
     TiffComponent::UniquePtr newTiffThumbSize(uint16_t tag, IfdId group)
     {
-        return TiffComponent::UniquePtr(
-            new TiffSizeEntry(tag, group, dtTag, dtGroup));
+        return std::make_unique<TiffSizeEntry>(tag, group, dtTag, dtGroup);
     }
 
     //! Function to create and initialize a new TIFF entry for image data
     template<uint16_t szTag, IfdId szGroup>
     TiffComponent::UniquePtr newTiffImageData(uint16_t tag, IfdId group)
     {
-        return TiffComponent::UniquePtr(
-            new TiffImageEntry(tag, group, szTag, szGroup));
+        return std::make_unique<TiffImageEntry>(tag, group, szTag, szGroup);
     }
 
     //! Function to create and initialize a new TIFF entry for image data (size)
@@ -1574,8 +1572,7 @@ namespace Exiv2 {
     TiffComponent::UniquePtr newTiffImageSize(uint16_t tag, IfdId group)
     {
         // Todo: Same as newTiffThumbSize - consolidate (rename)?
-        return TiffComponent::UniquePtr(
-            new TiffSizeEntry(tag, group, dtTag, dtGroup));
+        return std::make_unique<TiffSizeEntry>(tag, group, dtTag, dtGroup);
     }
 
 }}                                      // namespace Internal, Exiv2