diff --git a/firmware/config/stm32f4ems/efifeatures.h b/firmware/config/stm32f4ems/efifeatures.h
index 51f61199e4..b3302e801d 100644
--- a/firmware/config/stm32f4ems/efifeatures.h
+++ b/firmware/config/stm32f4ems/efifeatures.h
@@ -107,6 +107,8 @@
 
 #define EFI_HIP_9011 TRUE
 
+#define EFI_CJ125 TRUE
+
 #define EFI_INTERNAL_ADC TRUE
 
 #define EFI_DENSO_ADC FALSE
diff --git a/firmware/hw_layer/hardware.cpp b/firmware/hw_layer/hardware.cpp
index a201e9cee3..b9a5a9502b 100644
--- a/firmware/hw_layer/hardware.cpp
+++ b/firmware/hw_layer/hardware.cpp
@@ -371,7 +371,9 @@ void initHardware(Logging *l) {
 	calcFastAdcIndexes();
 	engine->addConfigurationListener(adcConfigListener);
 
+#if EFI_CJ125 || defined(__DOXYGEN__)
 	initCJ125();
+#endif
 
 	printMsg(sharedLogger, "initHardware() OK!");
 }
diff --git a/firmware/hw_layer/sensors/CJ125.cpp b/firmware/hw_layer/sensors/CJ125.cpp
index 557e437a3f..91ee2a8507 100644
--- a/firmware/hw_layer/sensors/CJ125.cpp
+++ b/firmware/hw_layer/sensors/CJ125.cpp
@@ -15,6 +15,8 @@
 #include "pin_repository.h"
 #include "hardware.h"
 
+#if EFI_CJ125 || defined(__DOXYGEN__)
+
 EXTERN_ENGINE;
 
 static SimplePwm wboHeaderControl;
@@ -64,11 +66,7 @@ SPI_CR1_MSTR |
 
 static cj125_state_e state = CJ125_IDLE;
 
-#if defined __GNUC__
-__attribute__((noreturn))    static msg_t cjThread(void)
-#else
-		static msg_t cjThread(void)
-#endif
+static msg_t cjThread(void)
 {
 	chRegSetThreadName("cj125");
 
@@ -111,5 +109,4 @@ void initCJ125(void) {
 
 }
 
-
-
+#endif /* EFI_CJ125 */