diff --git a/include/Spectre/Input/InputDevice.h b/include/Spectre/Input/InputDevice.h
index 543cdb2..ddace17 100644
--- a/include/Spectre/Input/InputDevice.h
+++ b/include/Spectre/Input/InputDevice.h
@@ -2,10 +2,10 @@
 #ifndef SPECTRE_INTPUT_DEVICE_H
 #define SPECTRE_INTPUT_DEVICE_H
 
-#include "InputModule.h"
-
 namespace sp {
 
+class InputMudule;
+
 class InputDevice
 {
 friend class InputModule;