diff --git a/keyboards/handwired/replicazeron/promicro/rules.mk b/keyboards/handwired/replicazeron/promicro/rules.mk
index 5f243f0ebbb..70dcd768f62 100644
--- a/keyboards/handwired/replicazeron/promicro/rules.mk
+++ b/keyboards/handwired/replicazeron/promicro/rules.mk
@@ -4,3 +4,4 @@ EXTRAKEY_ENABLE = no
 MOUSEKEY_ENABLE = no
 NKRO_ENABLE = no
 RGBLIGHT_ENABLE = no
+LTO_ENABLE = yes
diff --git a/keyboards/handwired/replicazeron/rules.mk b/keyboards/handwired/replicazeron/rules.mk
index c8f677cb287..d1809549412 100644
--- a/keyboards/handwired/replicazeron/rules.mk
+++ b/keyboards/handwired/replicazeron/rules.mk
@@ -3,7 +3,6 @@ BACKLIGHT_ENABLE = no
 COMMAND_ENABLE = no
 JOYSTICK_ENABLE = yes
 JOYSTICK_DRIVER = analog
-LTO_ENABLE = yes # FIXME: If im not mistaken, this can cause issues on ARM (ie STM32)
 OLED_ENABLE = yes
 TAP_DANCE_ENABLE = no