diff --git a/trunk/src/kernel/srs_kernel_rtc_rtp.cpp b/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
index c3dbc7b94..8fe2df058 100644
--- a/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
+++ b/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
@@ -823,9 +823,8 @@ char* SrsRtpPacket::wrap(char* data, int size)
 
 char* SrsRtpPacket::wrap(SrsSharedPtrMessage* msg)
 {
-    // Generally, the wrap(msg) is used for RTMP to RTC, which is not generated by RTC,
-    // so we do not recycle the msg. It's ok to directly free the msg, event the msg is
-    // allocated by object cache manager.
+    // Generally, the wrap(msg) is used for RTMP to RTC, where the msg
+    // is not generated by RTC.
     srs_freep(shared_buffer_);
 
     // Copy from the new message.
@@ -840,11 +839,6 @@ SrsRtpPacket* SrsRtpPacket::copy()
 {
     SrsRtpPacket* cp = new SrsRtpPacket();
 
-    // We got packet from cache, the payload and message MUST be NULL,
-    // because we had clear it in recycle.
-    //srs_assert(!cp->payload_);
-    //srs_assert(!cp->shared_buffer_);
-
     cp->header = header;
     cp->payload_ = payload_? payload_->copy():NULL;
     cp->payload_type_ = payload_type_;