diff --git a/firmware/config/stm32f4ems/efifeatures.h b/firmware/config/stm32f4ems/efifeatures.h
index 59af3a0736..e43cc57a29 100644
--- a/firmware/config/stm32f4ems/efifeatures.h
+++ b/firmware/config/stm32f4ems/efifeatures.h
@@ -18,6 +18,8 @@
 
 #define EFI_USE_CCM TRUE
 
+#define EFI_CLOCK_LOCKS FALSE
+
 /**
  * if you have a 60-2 trigger, or if you just want better performance, you
  * probably want EFI_ENABLE_ASSERTS to be FALSE. Also you would probably want to FALSE
diff --git a/simulator/simulator/efifeatures.h b/simulator/simulator/efifeatures.h
index e5aa8e4cb0..c2328f510d 100644
--- a/simulator/simulator/efifeatures.h
+++ b/simulator/simulator/efifeatures.h
@@ -16,6 +16,8 @@
 
 #define EFI_GPIO_HARDWARE FALSE
 
+#define EFI_CLOCK_LOCKS FALSE
+
 #define EFI_FSIO TRUE
 
 #define CONSOLE_MAX_ACTIONS 256