diff --git a/src/key_defs.h b/src/key_defs.h
index aa2bceb0..c5decc99 100644
--- a/src/key_defs.h
+++ b/src/key_defs.h
@@ -6,6 +6,7 @@
 #include "key_defs_keyboard.h"
 #include "key_defs_sysctl.h"
 #include "key_defs_consumerctl.h"
+#include "key_defs_keymaps.h"
 
 #include "key_defs_aliases.h"
 
@@ -100,21 +101,6 @@ typedef union Key_ {
 #define HID_TYPE_RTC   B00010100
 #define HID_TYPE_SEL   B00011000
 
-#define MOMENTARY_OFFSET 42
-
-#define KEYMAP_0     0
-#define KEYMAP_1     1
-#define KEYMAP_2     2
-#define KEYMAP_3     3
-#define KEYMAP_4     4
-#define KEYMAP_5     5
-#define KEYMAP_6     6
-#define KEYMAP_7     7
-
-
-#define KEYMAP_PREVIOUS  33
-#define KEYMAP_NEXT      34
-
 
 #define Key_NoKey (Key) { 0,  KEY_FLAGS }
 #define Key_skip (Key) { 0,  KEY_FLAGS }
@@ -135,19 +121,3 @@ typedef union Key_ {
 #define Key_RFN2 (Key) { KEY_RIGHT_FN2,  KEY_FLAGS }
 #define KEY_LEFT_FN2 0xff
 #define Key_LFN2 (Key) { KEY_LEFT_FN2,  KEY_FLAGS }
-
-#define Key_Keymap0 (Key) { KEYMAP_0,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap1 (Key) { KEYMAP_1,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap2 (Key) { KEYMAP_2,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap3 (Key) { KEYMAP_3,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap4 (Key) { KEYMAP_4,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap5 (Key) { KEYMAP_5,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
-#define Key_Keymap0_Momentary (Key){ KEYMAP_0 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_Keymap1_Momentary (Key){ KEYMAP_1 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_Keymap2_Momentary (Key){ KEYMAP_2 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_Keymap3_Momentary (Key){ KEYMAP_3 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_Keymap4_Momentary (Key){ KEYMAP_4 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_Keymap5_Momentary (Key){ KEYMAP_5 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-
-#define Key_KeymapNext_Momentary (Key) { KEYMAP_NEXT + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
-#define Key_KeymapPrevious_Momentary (Key) { KEYMAP_PREVIOUS + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
diff --git a/src/key_defs_keymaps.h b/src/key_defs_keymaps.h
new file mode 100644
index 00000000..d33efd43
--- /dev/null
+++ b/src/key_defs_keymaps.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#define MOMENTARY_OFFSET 42
+
+#define KEYMAP_0     0
+#define KEYMAP_1     1
+#define KEYMAP_2     2
+#define KEYMAP_3     3
+#define KEYMAP_4     4
+#define KEYMAP_5     5
+#define KEYMAP_6     6
+#define KEYMAP_7     7
+
+
+#define KEYMAP_PREVIOUS  33
+#define KEYMAP_NEXT      34
+
+
+#define Key_Keymap0 (Key) { KEYMAP_0,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap1 (Key) { KEYMAP_1,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap2 (Key) { KEYMAP_2,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap3 (Key) { KEYMAP_3,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap4 (Key) { KEYMAP_4,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap5 (Key) { KEYMAP_5,  KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP  }
+#define Key_Keymap0_Momentary (Key){ KEYMAP_0 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_Keymap1_Momentary (Key){ KEYMAP_1 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_Keymap2_Momentary (Key){ KEYMAP_2 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_Keymap3_Momentary (Key){ KEYMAP_3 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_Keymap4_Momentary (Key){ KEYMAP_4 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_Keymap5_Momentary (Key){ KEYMAP_5 + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+
+#define Key_KeymapNext_Momentary (Key) { KEYMAP_NEXT + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }
+#define Key_KeymapPrevious_Momentary (Key) { KEYMAP_PREVIOUS + MOMENTARY_OFFSET, KEY_FLAGS | SYNTHETIC | SWITCH_TO_KEYMAP }