diff --git a/libavcodec/h2645_parse.c b/libavcodec/h2645_parse.c
index 373f1d3066..58c9118019 100644
--- a/libavcodec/h2645_parse.c
+++ b/libavcodec/h2645_parse.c
@@ -295,3 +295,13 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
     return 0;
 }
 
+void ff_h2645_packet_uninit(H2645Packet *pkt)
+{
+    int i;
+    for (i = 0; i < pkt->nals_allocated; i++) {
+        av_freep(&pkt->nals[i].rbsp_buffer);
+        av_freep(&pkt->nals[i].skipped_bytes_pos);
+    }
+    av_freep(&pkt->nals);
+    pkt->nals_allocated = 0;
+}
diff --git a/libavcodec/h2645_parse.h b/libavcodec/h2645_parse.h
index 1724756872..05c21b03dc 100644
--- a/libavcodec/h2645_parse.h
+++ b/libavcodec/h2645_parse.h
@@ -65,4 +65,9 @@ int ff_h2645_extract_rbsp(const uint8_t *src, int length,
 int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
                           AVCodecContext *avctx, int is_nalff, int nal_length_size);
 
+/**
+ * Free all the allocated memory in the packet.
+ */
+void ff_h2645_packet_uninit(H2645Packet *pkt);
+
 #endif /* AVCODEC_H2645_PARSE_H */
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index f012c41926..27b1640c08 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -3111,12 +3111,7 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
         s->HEVClc = NULL;
     av_freep(&s->HEVClcList[0]);
 
-    for (i = 0; i < s->pkt.nals_allocated; i++) {
-        av_freep(&s->pkt.nals[i].rbsp_buffer);
-        av_freep(&s->pkt.nals[i].skipped_bytes_pos);
-    }
-    av_freep(&s->pkt.nals);
-    s->pkt.nals_allocated = 0;
+    ff_h2645_packet_uninit(&s->pkt);
 
     return 0;
 }
diff --git a/libavcodec/hevc_parser.c b/libavcodec/hevc_parser.c
index 71887a8e91..458a2ebd61 100644
--- a/libavcodec/hevc_parser.c
+++ b/libavcodec/hevc_parser.c
@@ -472,12 +472,7 @@ static void hevc_parser_close(AVCodecParserContext *s)
 
     ctx->ps.sps = NULL;
 
-    for (i = 0; i < ctx->pkt.nals_allocated; i++) {
-        av_freep(&ctx->pkt.nals[i].rbsp_buffer);
-        av_freep(&ctx->pkt.nals[i].skipped_bytes_pos);
-    }
-    av_freep(&ctx->pkt.nals);
-    ctx->pkt.nals_allocated = 0;
+    ff_h2645_packet_uninit(&ctx->pkt);
 
     av_freep(&ctx->pc.buffer);
 }