diff --git a/rpcs3/Emu/Io/Null/NullKeyboardHandler.h b/rpcs3/Emu/Io/Null/NullKeyboardHandler.h
index 4a9598a71e..4846487e1d 100644
--- a/rpcs3/Emu/Io/Null/NullKeyboardHandler.h
+++ b/rpcs3/Emu/Io/Null/NullKeyboardHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/KeyboardHandler.h"
 
-class NullKeyboardHandler : public KeyboardHandlerBase
+class NullKeyboardHandler final : public KeyboardHandlerBase
 {
 public:
 	NullKeyboardHandler()
diff --git a/rpcs3/Emu/Io/Null/NullMouseHandler.h b/rpcs3/Emu/Io/Null/NullMouseHandler.h
index 1abe6fe2c8..d12c89f80d 100644
--- a/rpcs3/Emu/Io/Null/NullMouseHandler.h
+++ b/rpcs3/Emu/Io/Null/NullMouseHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/MouseHandler.h"
 
-class NullMouseHandler : public MouseHandlerBase
+class NullMouseHandler final : public MouseHandlerBase
 {
 public:
 	NullMouseHandler()
diff --git a/rpcs3/Emu/Io/Null/NullPadHandler.h b/rpcs3/Emu/Io/Null/NullPadHandler.h
index adbd3a2dd8..2ca8e5ff16 100644
--- a/rpcs3/Emu/Io/Null/NullPadHandler.h
+++ b/rpcs3/Emu/Io/Null/NullPadHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/PadHandler.h"
 
-class NullPadHandler : public PadHandlerBase
+class NullPadHandler final : public PadHandlerBase
 {
 public:
 	NullPadHandler()
diff --git a/rpcs3/Emu/Io/Windows/WindowsKeyboardHandler.h b/rpcs3/Emu/Io/Windows/WindowsKeyboardHandler.h
index 29128e166f..f2c50f0bdd 100644
--- a/rpcs3/Emu/Io/Windows/WindowsKeyboardHandler.h
+++ b/rpcs3/Emu/Io/Windows/WindowsKeyboardHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/KeyboardHandler.h"
 
-class WindowsKeyboardHandler
+class WindowsKeyboardHandler final
 	: public wxWindow
 	, public KeyboardHandlerBase
 {
diff --git a/rpcs3/Emu/Io/Windows/WindowsMouseHandler.h b/rpcs3/Emu/Io/Windows/WindowsMouseHandler.h
index 194f9dae5a..101290822b 100644
--- a/rpcs3/Emu/Io/Windows/WindowsMouseHandler.h
+++ b/rpcs3/Emu/Io/Windows/WindowsMouseHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/MouseHandler.h"
 
-class WindowsMouseHandler
+class WindowsMouseHandler final
 	: public wxWindow
 	, public MouseHandlerBase
 {
diff --git a/rpcs3/Emu/Io/Windows/WindowsPadHandler.h b/rpcs3/Emu/Io/Windows/WindowsPadHandler.h
index 257db117ea..23c260c883 100644
--- a/rpcs3/Emu/Io/Windows/WindowsPadHandler.h
+++ b/rpcs3/Emu/Io/Windows/WindowsPadHandler.h
@@ -2,7 +2,7 @@
 
 #include "Emu/Io/PadHandler.h"
 
-class WindowsPadHandler
+class WindowsPadHandler final
 	: public wxWindow
 	, public PadHandlerBase
 {