diff --git a/commonLibs/livoxProto1/protocol.cpp b/commonLibs/livoxProto1/protocol.cpp
index a9b2480..9ca9f7e 100644
--- a/commonLibs/livoxProto1/protocol.cpp
+++ b/commonLibs/livoxProto1/protocol.cpp
@@ -230,7 +230,6 @@ uint32_t HandshakeRequest::calculateCrc32() const
 	return comms::calculateCrc32(messageData, messageSize);
 }
 
-
 void HandshakeRequest::swapContentsToProtocolEndianness()
 {
 	// Protocol uses little-endian, so on little-endian machines, no swap needed
@@ -246,26 +245,6 @@ void HandshakeRequest::swapContentsToProtocolEndianness()
 	// Note: footer.swapToHostEndianness() swaps CRC, so we skip it here
 }
 
-void HandshakeRequest::swapContentsToHostEndianness()
-{
-	if (endian::isLittleEndian()) { return; }
-	header.swapToHostEndianness();
-	command.swapToHostEndianness();
-	data_port = __builtin_bswap16(data_port);
-	cmd_port = __builtin_bswap16(cmd_port);
-	imu_port = __builtin_bswap16(imu_port);
-	// Note: footer.swapToHostEndianness() swaps CRC, so we skip it here
-}
-
-
-bool HandshakeRequest::sanityCheck() const
-{
-	return header.sanityCheck() &&
-		command.sanityCheck() &&
-		(command.cmd_set == 0x00) && (command.cmd_id == 0x01) &&
-		footer.sanityCheck();
-}
-
 // HandshakeResponse methods
 void HandshakeResponse::swapContentsToHostEndianness()
 {
@@ -583,7 +562,6 @@ uint32_t HeartbeatMessage::calculateCrc32() const
 	return comms::calculateCrc32(messageData, messageSize);
 }
 
-
 void HeartbeatMessage::swapContentsToProtocolEndianness()
 {
 	// Protocol is little-endian, so if host is already little-endian, no swap needed
@@ -598,46 +576,6 @@ void HeartbeatMessage::swapContentsToProtocolEndianness()
 	// Note: footer.swapToProtocolEndianness() swaps CRC, so we skip it here
 }
 
-void HeartbeatMessage::swapContentsToHostEndianness()
-{
-	// If host is already little-endian, no swap needed
-	if (endian::isLittleEndian()) {
-		return;
-	}
-
-	// Host is big-endian, need to swap from little-endian protocol to big-endian host
-	// Only swap content fields, not CRC fields
-	header.swapToHostEndianness();
-	command.swapToHostEndianness();
-	// Note: footer.swapToHostEndianness() swaps CRC, so we skip it here
-}
-
-
-bool HeartbeatMessage::sanityCheck() const
-{
-	return header.sanityCheck() &&
-		command.sanityCheck() &&
-		(command.cmd_set == 0x00) && (command.cmd_id == 0x03) &&
-		footer.sanityCheck();
-}
-
-bool HeartbeatMessage::validateCrc32() const
-{
-	// Use the calculateCrc32 method to avoid code duplication
-	uint32_t calculatedCrc = calculateCrc32();
-
-	// Compare with the CRC in the footer
-	bool isValid = (calculatedCrc == footer.crc_32);
-
-	// Debug output only if validation fails
-	if (!isValid) {
-		std::cout << "HeartbeatMessage CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
-			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
-	}
-
-	return isValid;
-}
-
 // DisconnectMessage methods
 DisconnectMessage::DisconnectMessage()
 {
@@ -681,33 +619,6 @@ void DisconnectMessage::swapContentsToProtocolEndianness()
 	// Note: footer.swapToProtocolEndianness() swaps CRC, so we skip it here
 }
 
-bool DisconnectMessage::sanityCheck() const
-{
-	return header.sanityCheck() &&
-		command.sanityCheck() &&
-		(command.cmd_set == 0x00) && (command.cmd_id == 0x06) &&
-		footer.sanityCheck();
-}
-
-bool DisconnectMessage::validateCrc32() const
-{
-	// Use the calculateCrc32 method to avoid code duplication
-	uint32_t calculatedCrc = calculateCrc32();
-
-	// Compare with the CRC in the footer
-	bool isValid = (calculatedCrc == footer.crc_32);
-
-	// Debug output only if validation fails
-	if (!isValid)
-	{
-		std::cout << "DisconnectMessage CRC32 Debug: calculated=0x"
-			<< std::hex << calculatedCrc
-			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
-	}
-
-	return isValid;
-}
-
 // StartStopSamplingMessage methods
 StartStopSamplingMessage::StartStopSamplingMessage()
 {
@@ -745,28 +656,6 @@ void StartStopSamplingMessage::swapContentsToProtocolEndianness()
 	command.swapToProtocolEndianness();
 }
 
-
-bool StartStopSamplingMessage::sanityCheck() const
-{
-	return header.sanityCheck() && command.sanityCheck() && footer.sanityCheck();
-}
-
-bool StartStopSamplingMessage::validateCrc32() const
-{
-	uint32_t calculatedCrc = calculateCrc32();
-	bool isValid = (calculatedCrc == footer.crc_32);
-
-	// Debug output only if validation fails
-	if (!isValid)
-	{
-		std::cout << "StartStopSamplingMessage CRC32 Debug: calculated=0x"
-			<< std::hex << calculatedCrc
-			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
-	}
-
-	return isValid;
-}
-
 // SamplingResponse methods
 void SamplingResponse::swapContentsToHostEndianness()
 {
@@ -874,23 +763,6 @@ void SetLiDARReturnMode::swapContentsToProtocolEndianness()
 	footer.swapToProtocolEndianness();
 }
 
-bool SetLiDARReturnMode::sanityCheck() const
-{
-	return header.sanityCheck() &&
-		command.sanityCheck() &&
-		(command.cmd_set == 0x01) && (command.cmd_id == 0x06) &&
-		(mode <= 0x03) && // Valid modes: 0x00-0x03
-		footer.sanityCheck();
-}
-
-bool SetLiDARReturnMode::validateCrc32() const
-{
-	const uint8_t* messageData = reinterpret_cast<const uint8_t*>(this);
-	size_t messageSize = sizeof(SetLiDARReturnMode) - sizeof(footer.crc_32);
-	uint32_t calculatedCrc = comms::calculateCrc32(messageData, messageSize);
-	return (calculatedCrc == footer.crc_32);
-}
-
 // SetLiDARReturnModeResponse methods
 void SetLiDARReturnModeResponse::swapContentsToHostEndianness()
 {
@@ -950,22 +822,6 @@ void GetLiDARReturnMode::swapContentsToProtocolEndianness()
 	footer.swapToProtocolEndianness();
 }
 
-bool GetLiDARReturnMode::sanityCheck() const
-{
-	return header.sanityCheck() &&
-		command.sanityCheck() &&
-		(command.cmd_set == 0x01) && (command.cmd_id == 0x07) &&
-		footer.sanityCheck();
-}
-
-bool GetLiDARReturnMode::validateCrc32() const
-{
-	const uint8_t* messageData = reinterpret_cast<const uint8_t*>(this);
-	size_t messageSize = sizeof(GetLiDARReturnMode) - sizeof(footer.crc_32);
-	uint32_t calculatedCrc = comms::calculateCrc32(messageData, messageSize);
-	return (calculatedCrc == footer.crc_32);
-}
-
 // GetLiDARReturnModeResponse methods
 void GetLiDARReturnModeResponse::swapContentsToHostEndianness()
 {
diff --git a/commonLibs/livoxProto1/protocol.h b/commonLibs/livoxProto1/protocol.h
index ca1289b..4ffa4ca 100644
--- a/commonLibs/livoxProto1/protocol.h
+++ b/commonLibs/livoxProto1/protocol.h
@@ -191,8 +191,6 @@ struct HandshakeRequest
 	// Calculate CRC32 for the entire message
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	void swapContentsToHostEndianness();
-	bool sanityCheck() const;
 } __attribute__((packed));
 
 /**		EXPLANATION:
@@ -224,9 +222,6 @@ struct HeartbeatMessage
 	HeartbeatMessage();
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	void swapContentsToHostEndianness();
-	bool sanityCheck() const;
-	bool validateCrc32() const;
 } __attribute__((packed));
 
 /**		EXPLANATION:
@@ -242,8 +237,6 @@ struct DisconnectMessage
 	DisconnectMessage();
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	bool sanityCheck() const;
-	bool validateCrc32() const;
 } __attribute__((packed));
 
 /**		EXPLANATION:
@@ -260,8 +253,6 @@ struct StartStopSamplingMessage
 	StartStopSamplingMessage();
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	bool sanityCheck() const;
-	bool validateCrc32() const;
 } __attribute__((packed));
 
 /**		EXPLANATION:
@@ -313,8 +304,6 @@ struct SetLiDARReturnMode
 	SetLiDARReturnMode();
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	bool sanityCheck() const;
-	bool validateCrc32() const;
 } __attribute__((packed));
 
 /**		EXPLANATION:
@@ -346,8 +335,6 @@ struct GetLiDARReturnMode
 	GetLiDARReturnMode();
 	uint32_t calculateCrc32() const;
 	void swapContentsToProtocolEndianness();
-	bool sanityCheck() const;
-	bool validateCrc32() const;
 } __attribute__((packed));
 
 /**		EXPLANATION: