diff --git a/av/audio/frame.pyx b/av/audio/frame.pyx
index ac3638230..1225f8de2 100644
--- a/av/audio/frame.pyx
+++ b/av/audio/frame.pyx
@@ -94,7 +94,7 @@ cdef class AudioFrame(Frame):
 
     def __repr__(self):
         return (
-           f"<av.{self.__class__.__name__} {self.index} pts={self.pts}, {self.samples} "
+           f"<av.{self.__class__.__name__} pts={self.pts}, {self.samples} "
            f"samples at {self.rate}Hz, {self.layout.name}, {self.format.name} at 0x{id(self):x}"
         )
 
@@ -191,10 +191,3 @@ cdef class AudioFrame(Frame):
             count = self.samples * len(self.layout.channels)
 
         return np.vstack([np.frombuffer(x, dtype=dtype, count=count) for x in self.planes])
-
-    def __getattribute__(self, attribute):
-        # This method should be deleted when `frame.index` is removed
-        if attribute == "index":
-            warnings.warn("Using `frame.index` is deprecated.", AVDeprecationWarning)
-
-        return Frame.__getattribute__(self, attribute)
diff --git a/av/codec/context.pyx b/av/codec/context.pyx
index 1d96899e2..dc71bb2a5 100644
--- a/av/codec/context.pyx
+++ b/av/codec/context.pyx
@@ -480,7 +480,6 @@ cdef class CodecContext:
                 lib.avcodec_flush_buffers(self.ptr)
 
     cdef _setup_decoded_frame(self, Frame frame, Packet packet):
-
         # Propagate our manual times.
         # While decoding, frame times are in stream time_base, which PyAV
         # is carrying around.
@@ -489,8 +488,6 @@ cdef class CodecContext:
         if packet is not None:
             frame._time_base = packet._time_base
 
-        frame.index = self.ptr.frame_number - 1
-
     @property
     def name(self):
         return self.codec.name
diff --git a/av/frame.pxd b/av/frame.pxd
index 34c302536..6d7214b7c 100644
--- a/av/frame.pxd
+++ b/av/frame.pxd
@@ -5,17 +5,10 @@ from av.sidedata.sidedata cimport _SideDataContainer
 
 
 cdef class Frame:
-
     cdef lib.AVFrame *ptr
-
     # We define our own time.
     cdef lib.AVRational _time_base
     cdef _rebase_time(self, lib.AVRational)
-
     cdef _SideDataContainer _side_data
-
-    cdef readonly int index
-
     cdef _copy_internal_attributes(self, Frame source, bint data_layout=?)
-
     cdef _init_user_attributes(self)
diff --git a/av/frame.pyx b/av/frame.pyx
index 489eef540..7fa8a701e 100644
--- a/av/frame.pyx
+++ b/av/frame.pyx
@@ -22,11 +22,10 @@ cdef class Frame:
             lib.av_frame_free(&self.ptr)
 
     def __repr__(self):
-        return f"av.{self.__class__.__name__} #{self.index} pts={self.pts} at 0x{id(self):x}>"
+        return f"av.{self.__class__.__name__} pts={self.pts} at 0x{id(self):x}>"
 
     cdef _copy_internal_attributes(self, Frame source, bint data_layout=True):
         """Mimic another frame."""
-        self.index = source.index
         self._time_base = source._time_base
         lib.av_frame_copy_props(self.ptr, source.ptr)
         if data_layout:
diff --git a/av/video/frame.pyx b/av/video/frame.pyx
index 6ff982491..e64eb8573 100644
--- a/av/video/frame.pyx
+++ b/av/video/frame.pyx
@@ -124,8 +124,8 @@ cdef class VideoFrame(Frame):
 
     def __repr__(self):
         return (
-            f"<av.{self.__class__.__name__} #{self.index}, pts={self.pts} "
-            f"{self.format.name} {self.width}x{self.height} at 0x{id(self):x}>"
+            f"<av.{self.__class__.__name__}, pts={self.pts} {self.format.name} "
+            f"{self.width}x{self.height} at 0x{id(self):x}>"
         )
 
     @property
diff --git a/include/libavcodec/avcodec.pxd b/include/libavcodec/avcodec.pxd
index 16d88a473..cc11a5e9b 100644
--- a/include/libavcodec/avcodec.pxd
+++ b/include/libavcodec/avcodec.pxd
@@ -174,8 +174,6 @@ cdef extern from "libavcodec/avcodec.h" nogil:
         int global_quality
         int compression_level
 
-        int frame_number
-
         int qmin
         int qmax
         int rc_max_rate
diff --git a/tests/test_codec_context.py b/tests/test_codec_context.py
index d30401f4e..59a10a297 100644
--- a/tests/test_codec_context.py
+++ b/tests/test_codec_context.py
@@ -96,17 +96,6 @@ def test_decoder_gop_size(self):
                 "Using VideoCodecContext.gop_size for decoders is deprecated.",
             )
 
-    def test_frame_index(self):
-        container = av.open(fate_suite("h264/interlaced_crop.mp4"))
-        stream = container.streams[0]
-        for frame in container.decode(stream):
-            with warnings.catch_warnings(record=True) as captured:
-                self.assertIsInstance(frame.index, int)
-                self.assertEqual(
-                    captured[0].message.args[0],
-                    "Using `frame.index` is deprecated.",
-                )
-
     def test_decoder_timebase(self):
         ctx = av.codec.Codec("h264", "r").create()