diff --git a/src/PIL/AniImagePlugin.py b/src/PIL/AniImagePlugin.py
index cab8287d6..d240515ad 100644
--- a/src/PIL/AniImagePlugin.py
+++ b/src/PIL/AniImagePlugin.py
@@ -410,7 +410,6 @@ class AniImageFile(ImageFile.ImageFile):
         self.info["frames"] = self.ani.anih["nFrames"]
 
         self.frame = 0
-        self._min_frame = 0
         self.seek(0)
         self.size = self.im.size