diff --git a/libavcodec/cbs_h264.h b/libavcodec/cbs_h264.h
index 9eb97eae24..5a8641a333 100644
--- a/libavcodec/cbs_h264.h
+++ b/libavcodec/cbs_h264.h
@@ -28,16 +28,6 @@
 #include "h264.h"
 
 
-enum {
-    // This limit is arbitrary - it is sufficient for one message of each
-    // type plus some repeats, and will therefore easily cover all sane
-    // streams.  However, it is possible to make technically-valid streams
-    // for which it will fail (for example, by including a large number of
-    // user-data-unregistered messages).
-    H264_MAX_SEI_PAYLOADS = 64,
-};
-
-
 typedef struct H264RawNALUnitHeader {
     uint8_t nal_ref_idc;
     uint8_t nal_unit_type;
diff --git a/libavcodec/cbs_h265.h b/libavcodec/cbs_h265.h
index 738cbeec2c..f7753f1206 100644
--- a/libavcodec/cbs_h265.h
+++ b/libavcodec/cbs_h265.h
@@ -26,15 +26,6 @@
 #include "cbs_sei.h"
 #include "hevc.h"
 
-enum {
-    // This limit is arbitrary - it is sufficient for one message of each
-    // type plus some repeats, and will therefore easily cover all sane
-    // streams.  However, it is possible to make technically-valid streams
-    // for which it will fail (for example, by including a large number of
-    // user-data-unregistered messages).
-    H265_MAX_SEI_PAYLOADS = 64,
-};
-
 typedef struct H265RawNALUnitHeader {
     uint8_t nal_unit_type;
     uint8_t nuh_layer_id;