diff --git a/app/include/dt-bindings/zmk/keys.h b/app/include/dt-bindings/zmk/keys.h
index 5f59055e..bd3d217a 100644
--- a/app/include/dt-bindings/zmk/keys.h
+++ b/app/include/dt-bindings/zmk/keys.h
@@ -5,6 +5,8 @@
  */
 #pragma once
 
+#include <dt-bindings/zmk/modifiers.h>
+
 #define USAGE_KEYPAD 0x07
 #define USAGE_CONSUMER 0x0C
 
@@ -143,24 +145,3 @@
 #define M_VOLU 0xE9
 #define M_VOLD 0xEA
 
-#define MOD_LCTL 0x01
-#define MOD_LSFT 0x02
-#define MOD_LALT 0x04
-#define MOD_LGUI 0x08
-#define MOD_RCTL 0x10
-#define MOD_RSFT 0x20
-#define MOD_RALT 0x40
-#define MOD_RGUI 0x80
-
-#define SELECT_MODS(keycode) (keycode >> 24)
-#define STRIP_MODS(keycode) (keycode & ~(0xFF << 24))
-#define APPLY_MODS(mods, keycode) (mods << 24 | keycode)
-
-#define LC(keycode) APPLY_MODS(MOD_LCTL, keycode)
-#define LS(keycode) APPLY_MODS(MOD_LSFT, keycode)
-#define LA(keycode) APPLY_MODS(MOD_LALT, keycode)
-#define LG(keycode) APPLY_MODS(MOD_LGUI, keycode)
-#define RC(keycode) APPLY_MODS(MOD_RCTL, keycode)
-#define RS(keycode) APPLY_MODS(MOD_RSFT, keycode)
-#define RA(keycode) APPLY_MODS(MOD_RALT, keycode)
-#define RG(keycode) APPLY_MODS(MOD_RGUI, keycode)
diff --git a/app/include/dt-bindings/zmk/modifiers.h b/app/include/dt-bindings/zmk/modifiers.h
new file mode 100644
index 00000000..b49849d0
--- /dev/null
+++ b/app/include/dt-bindings/zmk/modifiers.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#pragma once
+
+#define MOD_LCTL 0x01
+#define MOD_LSFT 0x02
+#define MOD_LALT 0x04
+#define MOD_LGUI 0x08
+#define MOD_RCTL 0x10
+#define MOD_RSFT 0x20
+#define MOD_RALT 0x40
+#define MOD_RGUI 0x80
+
+#define SELECT_MODS(keycode) (keycode >> 24)
+#define STRIP_MODS(keycode) (keycode & ~(0xFF << 24))
+#define APPLY_MODS(mods, keycode) (mods << 24 | keycode)
+
+#define LC(keycode) APPLY_MODS(MOD_LCTL, keycode)
+#define LS(keycode) APPLY_MODS(MOD_LSFT, keycode)
+#define LA(keycode) APPLY_MODS(MOD_LALT, keycode)
+#define LG(keycode) APPLY_MODS(MOD_LGUI, keycode)
+#define RC(keycode) APPLY_MODS(MOD_RCTL, keycode)
+#define RS(keycode) APPLY_MODS(MOD_RSFT, keycode)
+#define RA(keycode) APPLY_MODS(MOD_RALT, keycode)
+#define RG(keycode) APPLY_MODS(MOD_RGUI, keycode)
\ No newline at end of file
diff --git a/app/include/zmk/events/keycode-state-changed.h b/app/include/zmk/events/keycode-state-changed.h
index 4ded4e61..26d07ec4 100644
--- a/app/include/zmk/events/keycode-state-changed.h
+++ b/app/include/zmk/events/keycode-state-changed.h
@@ -7,7 +7,7 @@
 #pragma once
 
 #include <zephyr.h>
-#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/modifiers.h>
 #include <zmk/event-manager.h>
 
 struct keycode_state_changed {
diff --git a/app/include/zmk/handlers.h b/app/include/zmk/handlers.h
index 7ce1d27e..92bd7e05 100644
--- a/app/include/zmk/handlers.h
+++ b/app/include/zmk/handlers.h
@@ -6,8 +6,6 @@
 
 #pragma once
 
-#include <dt-bindings/zmk/keys.h>
-
 #include <zmk/keymap.h>
 #include <zmk/keys.h>
 
diff --git a/app/src/hid.c b/app/src/hid.c
index 001d7d31..1925765c 100644
--- a/app/src/hid.c
+++ b/app/src/hid.c
@@ -8,7 +8,7 @@
 LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 
 #include <zmk/hid.h>
-#include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/modifiers.h>
 
 static struct zmk_hid_keypad_report kp_report = {
     .report_id = 1, .body = {.modifiers = 0, ._reserved = 0, .keys = {0}}};
diff --git a/app/src/usb.c b/app/src/usb.c
index d4bc2e41..79d03c7b 100644
--- a/app/src/usb.c
+++ b/app/src/usb.c
@@ -9,7 +9,6 @@
 
 #include <usb/usb_device.h>
 #include <usb/class/usb_hid.h>
-#include <dt-bindings/zmk/keys.h>
 
 #include <zmk/hid.h>
 #include <zmk/keymap.h>