diff --git a/src/avrftdi_tpi.h b/src/avrftdi_tpi.h
index f9a07515..c47d4ece 100644
--- a/src/avrftdi_tpi.h
+++ b/src/avrftdi_tpi.h
@@ -1,10 +1,7 @@
 #pragma once
 
-//int avrftdi_tpi_write_byte(PROGRAMMER *pgm, unsigned char byte);
-//int avrftdi_tpi_read_byte(PROGRAMMER *pgm, unsigned char * byte);
-int avrftdi_cmd_tpi(const PROGRAMMER *pgm, const unsigned char *cmd, int cmd_len,
-		unsigned char *res, int res_len);
+// int avrftdi_tpi_write_byte(PROGRAMMER *pgm, unsigned char byte);
+// int avrftdi_tpi_read_byte(PROGRAMMER *pgm, unsigned char *byte);
+int avrftdi_cmd_tpi(const PROGRAMMER *pgm, const unsigned char *cmd, int cmd_len, unsigned char *res, int res_len);
 int avrftdi_tpi_initialize(const PROGRAMMER *pgm, const AVRPART *p);
 void avrftdi_tpi_initpgm(PROGRAMMER *pgm);
-
-