diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index a346839902..90d37f6084 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -388,7 +388,6 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
 
     h->width_from_caller    = h1->width_from_caller;
     h->height_from_caller   = h1->height_from_caller;
-    h->coded_picture_number = h1->coded_picture_number;
     h->first_field          = h1->first_field;
     h->picture_structure    = h1->picture_structure;
     h->mb_aff_frame         = h1->mb_aff_frame;
diff --git a/libavcodec/h264dec.h b/libavcodec/h264dec.h
index 447c2499d9..fc50df90f2 100644
--- a/libavcodec/h264dec.h
+++ b/libavcodec/h264dec.h
@@ -356,7 +356,6 @@ typedef struct H264Context {
     int chroma_x_shift, chroma_y_shift;
 
     int droppable;
-    int coded_picture_number;
 
     int context_initialized;
     int flags;