diff --git a/firmware/console/binary/ts_can_channel.cpp b/firmware/console/binary/ts_can_channel.cpp
index f2105b7b5d..6f562502d4 100644
--- a/firmware/console/binary/ts_can_channel.cpp
+++ b/firmware/console/binary/ts_can_channel.cpp
@@ -19,7 +19,7 @@
 #endif
 
 
-class CanTsChannel : public TsChannelBase {
+class CanTsChannel final : public TsChannelBase {
 public:
 	CanTsChannel() : TsChannelBase("CAN") {
 
diff --git a/firmware/console/binary/tunerstudio_io.h b/firmware/console/binary/tunerstudio_io.h
index a2c1638bbe..7c446c0083 100644
--- a/firmware/console/binary/tunerstudio_io.h
+++ b/firmware/console/binary/tunerstudio_io.h
@@ -85,7 +85,7 @@ public:
 
 #if HAL_USE_SERIAL
 // This class implements a ChibiOS Serial Driver
-class SerialTsChannel : public SerialTsChannelBase {
+class SerialTsChannel final : public SerialTsChannelBase {
 public:
 	SerialTsChannel(SerialDriver& driver) : SerialTsChannelBase("Serial"), m_driver(&driver) { }
 
@@ -102,7 +102,7 @@ private:
 
 #if HAL_USE_UART
 // This class implements a ChibiOS UART Driver
-class UartTsChannel : public SerialTsChannelBase {
+class UartTsChannel final : public SerialTsChannelBase {
 public:
 	UartTsChannel(UARTDriver& driver) : SerialTsChannelBase("UART"), m_driver(&driver) { }
 
diff --git a/firmware/console/ethernet_console.cpp b/firmware/console/ethernet_console.cpp
index 377f80e904..f52526f9dc 100644
--- a/firmware/console/ethernet_console.cpp
+++ b/firmware/console/ethernet_console.cpp
@@ -25,7 +25,7 @@ static void do_connection() {
 	connectionSocket = lwip_accept(listenerSocket, (sockaddr*)&remote, &size);
 }
 
-class EthernetChannel : public TsChannelBase {
+class EthernetChannel final : public TsChannelBase {
 public:
 	EthernetChannel()
 		: TsChannelBase("Ethernet")
diff --git a/firmware/console/usb_console.cpp b/firmware/console/usb_console.cpp
index 6f4cc4d074..b8048f9405 100644
--- a/firmware/console/usb_console.cpp
+++ b/firmware/console/usb_console.cpp
@@ -12,7 +12,7 @@ static_assert(SERIAL_USB_BUFFERS_SIZE >= BLOCKING_FACTOR + 10);
 
 extern SerialUSBDriver EFI_CONSOLE_USB_DEVICE;
 
-class UsbChannel : public TsChannelBase {
+class UsbChannel final : public TsChannelBase {
 public:
 	UsbChannel(SerialUSBDriver& driver)
 		: TsChannelBase("USB"), m_channel(reinterpret_cast<BaseChannel*>(&driver))