diff --git a/src/PIL/EpsImagePlugin.py b/src/PIL/EpsImagePlugin.py
index b96ce9603..195dde863 100644
--- a/src/PIL/EpsImagePlugin.py
+++ b/src/PIL/EpsImagePlugin.py
@@ -360,7 +360,7 @@ class EpsImageFile(ImageFile.ImageFile):
 
         check_required_header_comments()
 
-        if not self._size:
+        if not self.size:
             msg = "cannot determine EPS bounding box"
             raise OSError(msg)
 
diff --git a/src/PIL/GifImagePlugin.py b/src/PIL/GifImagePlugin.py
index 31d4b53b3..b3a7077b6 100644
--- a/src/PIL/GifImagePlugin.py
+++ b/src/PIL/GifImagePlugin.py
@@ -262,7 +262,7 @@ class GifImageFile(ImageFile.ImageFile):
                 x1, y1 = x0 + i16(s, 4), y0 + i16(s, 6)
                 if (x1 > self.size[0] or y1 > self.size[1]) and update_image:
                     self._size = max(x1, self.size[0]), max(y1, self.size[1])
-                    Image._decompression_bomb_check(self._size)
+                    Image._decompression_bomb_check(self.size)
                 frame_dispose_extent = x0, y0, x1, y1
                 flags = s[8]
 
diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index 7b45062fd..f09429875 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -508,38 +508,32 @@ class Image:
 
     @property
     def size(self):
-        return self._size
-
-    @property
-    def _size(self):
         if self._use_im_values():
             return self.im.size
         return self.__size
 
-    @_size.setter
     def _size(self, value):
         # set im.size first in case it raises an exception
         if self._use_im_values():
             self.im.size = value
         self.__size = value
 
-    @property
-    def mode(self):
-        return self._mode
+    _size = property(fset=_size)
 
     @property
-    def _mode(self):
+    def mode(self):
         if self._use_im_values():
             return self.im.mode
         return self.__mode
 
-    @_mode.setter
     def _mode(self, value):
         # set im.mode first in case it raises an exception
         if self._use_im_values():
             self.im.mode = value
         self.__mode = value
 
+    _mode = property(fset=_mode)
+
     def _new(self, im):
         new = Image()
         new.im = im
diff --git a/src/PIL/ImageOps.py b/src/PIL/ImageOps.py
index 17702778c..925618602 100644
--- a/src/PIL/ImageOps.py
+++ b/src/PIL/ImageOps.py
@@ -604,7 +604,7 @@ def exif_transpose(image, *, in_place=False):
         if in_place:
             image.im = transposed_image.im
             image.pyaccess = None
-            image._size = transposed_image._size
+            image._size = transposed_image.size
         exif_image = image if in_place else transposed_image
 
         exif = exif_image.getexif()
diff --git a/src/PIL/PcxImagePlugin.py b/src/PIL/PcxImagePlugin.py
index 854d9e83e..f4a636098 100644
--- a/src/PIL/PcxImagePlugin.py
+++ b/src/PIL/PcxImagePlugin.py
@@ -114,7 +114,7 @@ class PcxImageFile(ImageFile.ImageFile):
         # Don't trust the passed in stride.
         # Calculate the approximate position for ourselves.
         # CVE-2020-35653
-        stride = (self._size[0] * bits + 7) // 8
+        stride = (self.size[0] * bits + 7) // 8
 
         # While the specification states that this must be even,
         # not all images follow this
diff --git a/src/PIL/QoiImagePlugin.py b/src/PIL/QoiImagePlugin.py
index 5c3407503..e51e739af 100644
--- a/src/PIL/QoiImagePlugin.py
+++ b/src/PIL/QoiImagePlugin.py
@@ -32,7 +32,7 @@ class QoiImageFile(ImageFile.ImageFile):
         self._mode = "RGB" if channels == 3 else "RGBA"
 
         self.fp.seek(1, os.SEEK_CUR)  # colorspace
-        self.tile = [("qoi", (0, 0) + self._size, self.fp.tell(), None)]
+        self.tile = [("qoi", (0, 0) + self.size, self.fp.tell(), None)]
 
 
 class QoiDecoder(ImageFile.PyDecoder):