diff --git a/gst-libs/gst/codecparsers/gsth264parser.c b/gst-libs/gst/codecparsers/gsth264parser.c
index 251e4bb6fd..83b675baaf 100644
--- a/gst-libs/gst/codecparsers/gsth264parser.c
+++ b/gst-libs/gst/codecparsers/gsth264parser.c
@@ -2405,12 +2405,20 @@ gst_h264_sps_clear (GstH264SPS * sps)
   }
 }
 
-static void
-h264_sei_message_clear (GstH264SEIMessage * sei_msg)
+/**
+ * gst_h264_sei_clear:
+ * sei: The #GstH264SEIMessage to clear
+ *
+ * Frees allocated data in @sei if any.
+ *
+ * Since: 1.18
+ */
+void
+gst_h264_sei_clear (GstH264SEIMessage * sei)
 {
-  switch (sei_msg->payloadType) {
+  switch (sei->payloadType) {
     case GST_H264_SEI_REGISTERED_USER_DATA:{
-      GstH264RegisteredUserData *rud = &sei_msg->payload.registered_user_data;
+      GstH264RegisteredUserData *rud = &sei->payload.registered_user_data;
 
       g_free ((guint8 *) rud->data);
       rud->data = NULL;
@@ -2444,7 +2452,7 @@ gst_h264_parser_parse_sei (GstH264NalParser * nalparser, GstH264NalUnit * nalu,
   nal_reader_init (&nr, nalu->data + nalu->offset + nalu->header_bytes,
       nalu->size - nalu->header_bytes);
   *messages = g_array_new (FALSE, FALSE, sizeof (GstH264SEIMessage));
-  g_array_set_clear_func (*messages, (GDestroyNotify) h264_sei_message_clear);
+  g_array_set_clear_func (*messages, (GDestroyNotify) gst_h264_sei_clear);
 
   do {
     res = gst_h264_parser_parse_sei_message (nalparser, &nr, &sei);
diff --git a/gst-libs/gst/codecparsers/gsth264parser.h b/gst-libs/gst/codecparsers/gsth264parser.h
index 379754453c..7a8b4bc478 100644
--- a/gst-libs/gst/codecparsers/gsth264parser.h
+++ b/gst-libs/gst/codecparsers/gsth264parser.h
@@ -1200,6 +1200,9 @@ void                gst_h264_sps_clear                (GstH264SPS *sps);
 GST_CODEC_PARSERS_API
 void                gst_h264_pps_clear                (GstH264PPS *pps);
 
+GST_CODEC_PARSERS_API
+void                gst_h264_sei_clear                (GstH264SEIMessage *sei);
+
 GST_CODEC_PARSERS_API
 void    gst_h264_quant_matrix_8x8_get_zigzag_from_raster (guint8 out_quant[64],
                                                           const guint8 quant[64]);