diff --git a/Qt/QtMain.cpp b/Qt/QtMain.cpp
index 2a572703dc93..411f26e1fdb0 100644
--- a/Qt/QtMain.cpp
+++ b/Qt/QtMain.cpp
@@ -47,7 +47,6 @@
 #include "Common/StringUtils.h"
 #include "Core/Config.h"
 #include "Core/ConfigValues.h"
-#include "Core/Host.h"
 #include "Core/HW/Camera.h"
 #include "Core/Debugger/SymbolMap.h"
 
diff --git a/UI/ControlMappingScreen.cpp b/UI/ControlMappingScreen.cpp
index eba85e37bf1c..b729fac4e964 100644
--- a/UI/ControlMappingScreen.cpp
+++ b/UI/ControlMappingScreen.cpp
@@ -40,7 +40,6 @@
 #include "Common/System/Request.h"
 #include "Common/TimeUtil.h"
 #include "Core/KeyMap.h"
-#include "Core/Host.h"
 #include "Core/HLE/sceCtrl.h"
 #include "Core/System.h"
 #include "Core/Config.h"
diff --git a/UI/EmuScreen.cpp b/UI/EmuScreen.cpp
index 2c955b4acdbc..9ffa65d8a658 100644
--- a/UI/EmuScreen.cpp
+++ b/UI/EmuScreen.cpp
@@ -55,7 +55,6 @@ using namespace std::placeholders;
 #include "Core/CoreParameter.h"
 #include "Core/Core.h"
 #include "Core/CwCheat.h"
-#include "Core/Host.h"
 #include "Core/KeyMap.h"
 #include "Core/MemFault.h"
 #include "Core/Reporting.h"
diff --git a/UI/GameScreen.cpp b/UI/GameScreen.cpp
index 7b7a0b8561d5..11b6035045d4 100644
--- a/UI/GameScreen.cpp
+++ b/UI/GameScreen.cpp
@@ -31,7 +31,6 @@
 #include "Common/System/System.h"
 #include "Common/System/Request.h"
 #include "Common/System/NativeApp.h"
-#include "Core/Host.h"
 #include "Core/Config.h"
 #include "Core/Reporting.h"
 #include "Core/System.h"
diff --git a/UI/GameSettingsScreen.cpp b/UI/GameSettingsScreen.cpp
index 533673eb3b70..6c40d6afbe42 100644
--- a/UI/GameSettingsScreen.cpp
+++ b/UI/GameSettingsScreen.cpp
@@ -60,7 +60,6 @@
 #include "Common/StringUtils.h"
 #include "Core/Config.h"
 #include "Core/ConfigValues.h"
-#include "Core/Host.h"
 #include "Core/KeyMap.h"
 #include "Core/TiltEventProcessor.h"
 #include "Core/Instance.h"
diff --git a/UI/MainScreen.cpp b/UI/MainScreen.cpp
index 7efc3cb27dc7..68641be108b2 100644
--- a/UI/MainScreen.cpp
+++ b/UI/MainScreen.cpp
@@ -41,7 +41,6 @@
 #include "Common/TimeUtil.h"
 #include "Common/StringUtils.h"
 #include "Core/System.h"
-#include "Core/Host.h"
 #include "Core/Reporting.h"
 #include "Core/ELF/PBPReader.h"
 #include "Core/ELF/ParamSFO.h"
diff --git a/UI/MiscScreens.cpp b/UI/MiscScreens.cpp
index 84dbbbe80fbc..63f09cc7d5bb 100644
--- a/UI/MiscScreens.cpp
+++ b/UI/MiscScreens.cpp
@@ -39,7 +39,6 @@
 #include "Common/TimeUtil.h"
 #include "Common/File/FileUtil.h"
 #include "Core/Config.h"
-#include "Core/Host.h"
 #include "Core/System.h"
 #include "Core/MIPS/JitCommon/JitCommon.h"
 #include "Core/HLE/sceUtility.h"
diff --git a/UI/NativeApp.cpp b/UI/NativeApp.cpp
index 743cad67187a..8545491682b3 100644
--- a/UI/NativeApp.cpp
+++ b/UI/NativeApp.cpp
@@ -87,7 +87,6 @@
 #include "Core/ConfigValues.h"
 #include "Core/Core.h"
 #include "Core/FileLoaders/DiskCachingFileLoader.h"
-#include "Core/Host.h"
 #include "Core/KeyMap.h"
 #include "Core/Reporting.h"
 #include "Core/SaveState.h"
diff --git a/UI/SavedataScreen.cpp b/UI/SavedataScreen.cpp
index c7ab4b7136c1..3bb168eb26a0 100644
--- a/UI/SavedataScreen.cpp
+++ b/UI/SavedataScreen.cpp
@@ -38,7 +38,6 @@
 #include "Common/File/FileUtil.h"
 #include "Common/TimeUtil.h"
 #include "Common/StringUtils.h"
-#include "Core/Host.h"
 #include "Core/Config.h"
 #include "Core/Loaders.h"
 #include "Core/SaveState.h"
diff --git a/Windows/EmuThread.cpp b/Windows/EmuThread.cpp
index bba3a631bc02..031500da70ec 100644
--- a/Windows/EmuThread.cpp
+++ b/Windows/EmuThread.cpp
@@ -22,7 +22,6 @@
 #include "Core/Reporting.h"
 #include "Core/MemMap.h"
 #include "Core/Core.h"
-#include "Core/Host.h"
 #include "Core/System.h"
 #include "Core/Config.h"
 #include "Core/ConfigValues.h"
diff --git a/Windows/GEDebugger/TabDisplayLists.cpp b/Windows/GEDebugger/TabDisplayLists.cpp
index cb14c14eb132..2b29a91d36c0 100644
--- a/Windows/GEDebugger/TabDisplayLists.cpp
+++ b/Windows/GEDebugger/TabDisplayLists.cpp
@@ -1,7 +1,6 @@
 #include "Windows/GEDebugger/TabDisplayLists.h"
 #include "Windows/GEDebugger/GEDebugger.h"
 #include "Windows/GEDebugger/CtrlDisplayListView.h"
-#include "Windows/WindowsHost.h"
 #include "Windows/MainWindow.h"
 #include "Windows/main.h"
 #include "GPU/GPUInterface.h"
diff --git a/ios/ViewController.mm b/ios/ViewController.mm
index 5d9735d8bbf8..4535b39a8095 100644
--- a/ios/ViewController.mm
+++ b/ios/ViewController.mm
@@ -36,7 +36,6 @@
 #include "Core/System.h"
 #include "Core/HLE/sceUsbCam.h"
 #include "Core/HLE/sceUsbGps.h"
-#include "Core/Host.h"
 
 #include <sys/types.h>
 #include <sys/sysctl.h>