diff --git a/keymap/config.h b/keymap/config.h
index 656d6ba..39aa517 100644
--- a/keymap/config.h
+++ b/keymap/config.h
@@ -13,7 +13,6 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
 #pragma once
 
 #define USE_SERIAL
@@ -22,19 +21,17 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define SPLIT_USB_DETECT
 #define SPLIT_USB_TIMEOUT 2500
 
-
 #define VIAL_KEYBOARD_UID {0x8A, 0x86, 0x65, 0x9D, 0x13, 0xE1, 0xCB, 0x81}
 
-// Vial unlock
+/* Vial unlock */
+
 #define VIAL_UNLOCK_COMBO_ROWS { 0, 0 }
 #define VIAL_UNLOCK_COMBO_COLS { 0, 1 }
 
-// Vial features
-#define DYNAMIC_KEYMAP_LAYER_COUNT 5
-// looks like this DYNAMIC_MACRO_SIZE doesn't change anything
+/* Vial features */
+
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
 #define DYNAMIC_MACRO_SIZE 0
-/* 8 entries take only 6 bytes more than 2 entries
-   Thus, 8 and 0 are the only reasonable values. */ 
-#define VIAL_KEY_OVERRIDE_ENTRIES 8
-#define VIAL_TAP_DANCE_ENTRIES 8
-#define VIAL_COMBO_ENTRIES 8
+#define VIAL_KEY_OVERRIDE_ENTRIES 0
+#define VIAL_TAP_DANCE_ENTRIES 0
+#define VIAL_COMBO_ENTRIES 0
diff --git a/keymap/rules.mk b/keymap/rules.mk
index e55b1a6..d474afc 100644
--- a/keymap/rules.mk
+++ b/keymap/rules.mk
@@ -1,43 +1,13 @@
 VIA_ENABLE = yes
 VIAL_ENABLE = yes
 
-LTO_ENABLE = yes
+LTO_ENABLE = yes 	   # LTO makes the compiler work harder when optimizing your code
 
-# 2952 bytes
-QMK_SETTINGS = no          # Vial tab
-# 2144 bytes
-MOUSEKEY_ENABLE = yes      # Mouse keys
-# 544 bytes
 EXTRAKEY_ENABLE = yes      # Audio control and System control
+MOUSEKEY_ENABLE = yes      # Mouse keys
+QMK_SETTINGS = no          # Vial QMK-settings tab
 
-# each of the following features take extra space
-# in three steps
-# - the QMK feature (enables here)
-# - the Vial feature (enabled if VIAL_XXX_ENTRIES > 0)
-# - each vial entry for the feature
-
-# qmk feature : 504 bytes
-# vial feature : there is no special setting
+COMBO_ENABLE = no
 DYNAMIC_MACRO_ENABLE = no
-
-# qmk feature : doesn't compile with
-#               VIAL_KEY_OVERRIDE_ENTRIES = 0 
-# with 1 vial entry   : 1696 bytes
-# with 2 vial entries : 1814 (+118)
-# with 3 vial entries : 1830 (+16)
-# with 8 vial entries : 1820 (-10) SIC
 KEY_OVERRIDE_ENABLE = no
-
-# 1676 bytes + 50 bytes each entry
-# qmk feature         : 696
-# with 1 vial entry   : 1676 (+980)
-# with 2 vial entries : 1720 (+44)
-# with 8 vial entries : 1714 (-6)
-TAP_DANCE_ENABLE = yes
-
-# 900 bytes + 
-# qmk feature         : 924
-# with 1 vial entry   : 1964 (+940)
-# with 2 vial entries : 2082 (+118)
-# with 8 vial entries : 2046 (-36)
-COMBO_ENABLE = yes
+TAP_DANCE_ENABLE = no