diff --git a/keyboards/rgbkb/mun/keymaps/xulkal2/rules.mk b/keyboards/rgbkb/mun/keymaps/xulkal2/rules.mk
index b626305163..e35ec125e6 100644
--- a/keyboards/rgbkb/mun/keymaps/xulkal2/rules.mk
+++ b/keyboards/rgbkb/mun/keymaps/xulkal2/rules.mk
@@ -1,4 +1,4 @@
 MOUSEKEY_ENABLE = yes	# using for mouse wheel up and down, more granular than page up/down
 
 OPT_DEFS += -DRGB_UNLIMITED_POWER
-DEBOUNCE_TYPE = sym_eager_pk
\ No newline at end of file
+#DEBOUNCE_TYPE = sym_eager_pk
\ No newline at end of file
diff --git a/keyboards/rgbkb/mun/rules.mk b/keyboards/rgbkb/mun/rules.mk
index e81196f9ee..145d9d4aa8 100644
--- a/keyboards/rgbkb/mun/rules.mk
+++ b/keyboards/rgbkb/mun/rules.mk
@@ -39,7 +39,7 @@ OPT = 3
 OPT_DEFS += -DOLED_FONT_H=\"../common/glcdfont.c\"
 OPT_DEFS += -Ikeyboards/rgbkb/common
 
-# matrix optimisations
-SRC += matrix.c
+# matrix optimisations (broken, will fix later)
+#SRC += matrix.c
 
 DEFAULT_FOLDER = rgbkb/mun/rev1