diff --git a/src/imageformats/avif.cpp b/src/imageformats/avif.cpp
index 6e644d9..04f3f77 100644
--- a/src/imageformats/avif.cpp
+++ b/src/imageformats/avif.cpp
@@ -513,21 +513,12 @@ bool QAVIFHandler::decode_one_frame()
 #else
         switch (m_decoder->image->imir.axis) {
 #endif
-#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
-        case 0: // top-to-bottom
-            result = result.mirrored(false, true);
-            break;
-        case 1: // left-to-right
-            result = result.mirrored(true, false);
-            break;
-#else
         case 0: // top-to-bottom
             result = result.flipped(Qt::Vertical);
             break;
         case 1: // left-to-right
             result = result.flipped(Qt::Horizontal);
             break;
-#endif
         }
     }
 
diff --git a/src/imageformats/iff.cpp b/src/imageformats/iff.cpp
index 093ff93..881f072 100644
--- a/src/imageformats/iff.cpp
+++ b/src/imageformats/iff.cpp
@@ -474,11 +474,7 @@ bool IFFHandler::readMayaImage(QImage *image)
         painter.setCompositionMode(QPainter::CompositionMode_Source);
         painter.drawImage(tp, ti);
     }
-#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
-    img.mirror(false, true);
-#else
     img.flip(Qt::Orientation::Vertical);
-#endif
     addMetadata(img, form);
 
     *image = img;