diff --git a/users/halcyon_modules/config.h b/users/halcyon_modules/config.h
index 2363438d..f266b985 100644
--- a/users/halcyon_modules/config.h
+++ b/users/halcyon_modules/config.h
@@ -49,7 +49,6 @@
 
 // Always the same
 #define SPLIT_MODS_ENABLE
-#define SPLIT_TRANSPORT_MIRROR
 #define SPLIT_LED_STATE_ENABLE
 #define SPLIT_LAYER_STATE_ENABLE
 #ifndef HLC_ENCODER_A
diff --git a/users/halcyon_modules/rules.mk b/users/halcyon_modules/rules.mk
index 7ca0f087..61729127 100644
--- a/users/halcyon_modules/rules.mk
+++ b/users/halcyon_modules/rules.mk
@@ -2,6 +2,8 @@ CURRENT_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
 
 SRC += halcyon.c
 
+LTO_ENABLE ?= yes
+
 ifndef HLC_CIRQUE_TRACKPAD #add any other pointing devices here
   # Needed otherwise pointing devices will not work
   POINTING_DEVICE_ENABLE = yes