diff --git a/src/platform/qt/InputController.cpp b/src/platform/qt/InputController.cpp
index 2cecebca2..4533f60b1 100644
--- a/src/platform/qt/InputController.cpp
+++ b/src/platform/qt/InputController.cpp
@@ -15,6 +15,7 @@
 #include <QWidget>
 
 extern "C" {
+#include "core/interface.h"
 #include "util/configuration.h"
 }
 
diff --git a/src/platform/qt/InputController.h b/src/platform/qt/InputController.h
index b7fa0167f..307007867 100644
--- a/src/platform/qt/InputController.h
+++ b/src/platform/qt/InputController.h
@@ -22,6 +22,9 @@ extern "C" {
 #endif
 }
 
+struct mRotationSource;
+struct mRumble;
+
 namespace QGBA {
 
 class ConfigController;
diff --git a/src/platform/qt/Window.h b/src/platform/qt/Window.h
index 5a244b9e3..96674f096 100644
--- a/src/platform/qt/Window.h
+++ b/src/platform/qt/Window.h
@@ -14,6 +14,7 @@
 #include <functional>
 
 extern "C" {
+#include "core/thread.h"
 #include "gba/gba.h"
 }