diff --git a/plugin/protocol/http2/src/http2_stream.cpp b/plugin/protocol/http2/src/http2_stream.cpp
index d09d135..8e99af4 100644
--- a/plugin/protocol/http2/src/http2_stream.cpp
+++ b/plugin/protocol/http2/src/http2_stream.cpp
@@ -760,7 +760,6 @@ nghttp2_frame_submit_built_resp(struct tfe_h2_stream *h2_stream_info,
 	if (rv != 0){
 		return ACTION_FORWARD_DATA;
 	}
-	delete_nv_packet_data(h2_header);
 
 	return ACTION_DROP_DATA;
 }
@@ -805,7 +804,6 @@ nghttp2_frame_submit_built_req(struct tfe_h2_stream *h2_stream_info,
 					  nghttp2_strerror(stream_id));
         return ACTION_FORWARD_DATA;
     }
-	delete_nv_packet_data(h2_header);
 
 	return ACTION_DROP_DATA;
 }
@@ -1195,7 +1193,6 @@ nghttp2_submit_header_by_not_modify(struct tfe_h2_stream *h2_stream_info,
         printf("Fatal headers error: %s\n", nghttp2_strerror(stream_id));
 		stream_action = ACTION_FORWARD_DATA;
     }
-	delete_nv_packet_data(&headers);
 
 	if (stream_action == ACTION_DROP_DATA){
 		xret = nghttp2_session_send(h2_stream_info->as_server);
@@ -1385,7 +1382,6 @@ nghttp2_server_frame_submit_push_promise(struct tfe_h2_stream *h2_stream_info,
     }
 	upstream_create_req(h2_stream_info, h2_stream_info->as_server, peer_h2_stream, stream_id);
 	/*clean header message **/
-	delete_nv_packet_data(headers);
 	stream_action = ACTION_DROP_DATA;
 finish:
 	return stream_action;
@@ -1482,9 +1478,7 @@ fill_resp_spec_from_handle(struct tfe_h2_half_private *half_private)
 	return;
 }
 
-int
-nghttp2_write_log(struct tfe_h2_session *h2_session, const char * str_stream_info,
-						  int dir)
+int nghttp2_write_log(struct tfe_h2_session *h2_session, const char * str_stream_info, int dir)
 {
 	/* Request */
 	struct tfe_h2_half_private *req = h2_session->req;
@@ -1596,7 +1590,6 @@ nghttp2_server_frame_submit_header(struct tfe_h2_stream *h2_stream_info,
     if (xret < 0){
         printf("Fatal headers error: %s\n", nghttp2_strerror(xret));
     }
-	delete_nv_packet_data(headers);
 
 	return stream_action;
 }
@@ -1780,7 +1773,6 @@ nghttp2_client_frame_submit_header(struct tfe_h2_stream *h2_stream_info,
     }
 	stream_action = ACTION_DROP_DATA;
 finish:
-	delete_nv_packet_data(headers);
 	return stream_action;
 }