diff --git a/gnutls.c b/gnutls.c
index eebb724..899a4f1 100644
--- a/gnutls.c
+++ b/gnutls.c
@@ -132,7 +132,7 @@ int handshake(struct session *sess)
 			printf("cert verify output: %s\n", out.data);
 			gnutls_free(out.data);
 		}
-		fprintf(stderr, "*** Handshake failed: %s\n", gnutls_strerror(ret));
+		//fprintf(stderr, "*** Handshake failed: %s\n", gnutls_strerror(ret));
 	} /*else{
 		desc = gnutls_session_get_desc(sess->session);
 		printf("- Session info: %s\n", desc);
diff --git a/tls.go b/tls.go
index 5cfc3cb..be091d1 100644
--- a/tls.go
+++ b/tls.go
@@ -383,7 +383,7 @@ func onDataReadCallback(d unsafe.Pointer, cbuf *C.char, bufLen C.int) C.int {
 	buf := make([]byte, int(bufLen))
 	n, err := conn.c.Read(buf)
 	if err != nil {
-		log.Println(err)
+		//log.Println(err)
 		// 0 indicates connection termination
 		return 0
 	}
@@ -403,7 +403,7 @@ func onDataWriteCallback(d unsafe.Pointer, cbuf *C.char, bufLen C.int) C.int {
 	gobuf := C.GoBytes(unsafe.Pointer(cbuf), bufLen)
 	n, err := conn.c.Write(gobuf)
 	if err != nil {
-		log.Println(err)
+		//log.Println(err)
 		return -1
 	}
 	return C.int(n)