diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 4db77ec0..93a2e813 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -1611,7 +1611,6 @@ func C_HandShake(r *C_RTMP, FP9HandShake int32) (ok bool) {
 		return false
 	}
 
-	//if C.ReadN(r, (*byte)(unsafe.Pointer(&typ)), 1) != 1 {
 	if C_ReadN(r, (*byte)(unsafe.Pointer(&typ)), 1) != 1 {
 		return false
 	}
@@ -1624,7 +1623,6 @@ func C_HandShake(r *C_RTMP, FP9HandShake int32) (ok bool) {
 			clientbuf[0], typ)
 	}
 	if C_ReadN(r, (*byte)(unsafe.Pointer(&serversig[0])), RTMP_SIG_SIZE) != RTMP_SIG_SIZE {
-		//if C.ReadN(r, (*byte)(unsafe.Pointer(&serversig[0])), RTMP_SIG_SIZE) != RTMP_SIG_SIZE {
 		return false
 	}
 
@@ -1638,7 +1636,6 @@ func C_HandShake(r *C_RTMP, FP9HandShake int32) (ok bool) {
 	}
 
 	if C_ReadN(r, (*byte)(unsafe.Pointer(&serversig[0])), RTMP_SIG_SIZE) != RTMP_SIG_SIZE {
-		//if C.ReadN(r, (*byte)(unsafe.Pointer(&serversig[0])), RTMP_SIG_SIZE) != RTMP_SIG_SIZE {
 		return false
 	}