diff --git a/Source/Core/Core/HW/AddressSpace.h b/Source/Core/Core/HW/AddressSpace.h
index 42724df053..a02989010a 100644
--- a/Source/Core/Core/HW/AddressSpace.h
+++ b/Source/Core/Core/HW/AddressSpace.h
@@ -6,7 +6,7 @@
 
 #include <optional>
 
-#include "Core/Core.h"
+#include "Common/CommonTypes.h"
 
 namespace AddressSpace
 {
diff --git a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
index 4284f60bc9..9769a420b4 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
@@ -15,6 +15,7 @@
 #include <cmath>
 
 #include "Core/Core.h"
+#include "Core/HW/AddressSpace.h"
 #include "Core/PowerPC/BreakPoints.h"
 #include "Core/PowerPC/PowerPC.h"
 #include "DolphinQt/Resources.h"
diff --git a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
index 5537139f37..dcb4409fa7 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
+++ b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
@@ -7,7 +7,11 @@
 #include <QTableWidget>
 
 #include "Common/CommonTypes.h"
-#include "Core/HW/AddressSpace.h"
+
+namespace AddressSpace
+{
+enum class Type;
+}
 
 class MemoryViewWidget : public QTableWidget
 {
@@ -59,7 +63,7 @@ private:
   void OnCopyAddress();
   void OnCopyHex();
 
-  AddressSpace::Type m_address_space = AddressSpace::Type::Effective;
+  AddressSpace::Type m_address_space{};
   Type m_type = Type::U8;
   BPType m_bp_type = BPType::ReadWrite;
   bool m_do_log = true;
diff --git a/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp b/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
index 3bfa69b293..63fb4264fc 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/MemoryWidget.cpp
@@ -23,6 +23,7 @@
 #include "Common/File.h"
 #include "Common/FileUtil.h"
 #include "Core/ConfigManager.h"
+#include "Core/HW/AddressSpace.h"
 #include "DolphinQt/Debugger/MemoryViewWidget.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/Settings.h"
diff --git a/Source/Core/DolphinQt/Debugger/MemoryWidget.h b/Source/Core/DolphinQt/Debugger/MemoryWidget.h
index 071fbb998e..45f2a80bbf 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryWidget.h
+++ b/Source/Core/DolphinQt/Debugger/MemoryWidget.h
@@ -9,7 +9,6 @@
 #include <QDockWidget>
 
 #include "Common/CommonTypes.h"
-#include "Core/HW/AddressSpace.h"
 
 class MemoryViewWidget;
 class QCheckBox;