diff --git a/libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.h b/libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.h
index a9846980..389ec2da 100644
--- a/libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.h
+++ b/libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "KeyboardioFirmware.h"
 #include "MouseKeyDefs.h"
 
 class MouseKeys_ {
diff --git a/libraries/Keyboardio-MouseKeys/src/MouseKeyDefs.h b/libraries/Keyboardio-MouseKeys/src/MouseKeyDefs.h
index 04c2ef58..e9c4b5dd 100644
--- a/libraries/Keyboardio-MouseKeys/src/MouseKeyDefs.h
+++ b/libraries/Keyboardio-MouseKeys/src/MouseKeyDefs.h
@@ -1,7 +1,5 @@
 #pragma once
 
-#include "key_defs.h"
-
 #define IS_MOUSE_KEY     		   B00010000
 
 // Synthetic, not internal