diff --git a/src/efinix.cpp b/src/efinix.cpp
index 1182ff1..e76e928 100644
--- a/src/efinix.cpp
+++ b/src/efinix.cpp
@@ -109,7 +109,7 @@ void Efinix::program(unsigned int offset, bool unprotect_flash)
 	ConfigBitstreamParser *bit;
 	try {
 		if (_file_extension == "hex") {
-			bit = new EfinixHexParser(_filename, _verbose);
+			bit = new EfinixHexParser(_filename);
 		} else {
 			if (offset == 0) {
 				printError("Error: can't write raw data at the beginning of the flash");
diff --git a/src/efinixHexParser.cpp b/src/efinixHexParser.cpp
index cd103cc..46893da 100644
--- a/src/efinixHexParser.cpp
+++ b/src/efinixHexParser.cpp
@@ -12,9 +12,9 @@
 
 using namespace std;
 
-EfinixHexParser::EfinixHexParser(const string &filename, bool reverseOrder):
+EfinixHexParser::EfinixHexParser(const string &filename):
 		ConfigBitstreamParser(filename, ConfigBitstreamParser::ASCII_MODE,
-		false), _reverseOrder(reverseOrder)
+		false)
 {}
 
 int EfinixHexParser::parse()
diff --git a/src/efinixHexParser.hpp b/src/efinixHexParser.hpp
index eb8e3e7..b233c2e 100644
--- a/src/efinixHexParser.hpp
+++ b/src/efinixHexParser.hpp
@@ -21,17 +21,13 @@ class EfinixHexParser: public ConfigBitstreamParser {
 		/*!
 		 * \brief constructor
 		 * \param[in] filename: raw file to read
-		 * \param[in] reverseOrder: reverse each byte (LSB -> MSB, MSB -> LSB)
 		 */
-		EfinixHexParser(const std::string &filename, bool reverseOrder);
+		EfinixHexParser(const std::string &filename);
 		/*!
 		 * \brief read full content of the file, fill the buffer
 		 * \return EXIT_SUCCESS is file is fully read, EXIT_FAILURE otherwhise
 		 */
 		int parse() override;
-
-	private:
-		bool _reverseOrder; /*!< tail if byte must be reversed */
 };
 
 #endif  // SRC_EFINIXHEXPARSER_HPP_