diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
index 711c9461e6..0ae81fb6be 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
@@ -69,7 +69,7 @@ private:
     {
     }
     std::string GetName() const override;
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
     ControlState GetState() const override;
 
   private:
diff --git a/Source/Core/InputCommon/ControllerInterface/Device.h b/Source/Core/InputCommon/ControllerInterface/Device.h
index 39ff6e9bb5..d923d97076 100644
--- a/Source/Core/InputCommon/ControllerInterface/Device.h
+++ b/Source/Core/InputCommon/ControllerInterface/Device.h
@@ -70,7 +70,7 @@ public:
   public:
     // Things like absolute axes/ absolute mouse position should override this to prevent
     // undesirable behavior in our mapping logic.
-    virtual bool IsDetectable() { return true; }
+    virtual bool IsDetectable() const { return true; }
 
     // Implementations should return a value from 0.0 to 1.0 across their normal range.
     // One input should be provided for each "direction". (e.g. 2 for each axis)
diff --git a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
index b2258b1542..3dff8cf309 100644
--- a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
@@ -87,14 +87,14 @@ private:
   {
   public:
     using AnalogInput::AnalogInput;
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
   };
 
   class MotionInput final : public AnalogInput<float>
   {
   public:
     using AnalogInput::AnalogInput;
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
   };
 
   using AccelerometerInput = MotionInput;
@@ -121,7 +121,7 @@ private:
       }
     }
 
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
 
   private:
     const BatteryState& m_battery;
diff --git a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
index 5d3ea86f3e..39516035a3 100644
--- a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
+++ b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
@@ -36,7 +36,7 @@ private:
     {
     }
     std::string GetName() const override;
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
     ControlState GetState() const override;
 
   private:
diff --git a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
index 26091c4b38..ec060040d4 100644
--- a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
+++ b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
@@ -27,7 +27,7 @@ private:
   {
   public:
     std::string GetName() const;
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
     Axis(int pad_id, ButtonManager::ButtonType index, float neg = 1.0f)
         : m_pad_id(pad_id), m_index(index), m_neg(neg)
     {
diff --git a/Source/Core/InputCommon/ControllerInterface/Wiimote/Wiimote.cpp b/Source/Core/InputCommon/ControllerInterface/Wiimote/Wiimote.cpp
index 34a169aa83..059138e52a 100644
--- a/Source/Core/InputCommon/ControllerInterface/Wiimote/Wiimote.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Wiimote/Wiimote.cpp
@@ -48,7 +48,7 @@ public:
   {
   }
 
-  bool IsDetectable() override { return Detectable; }
+  bool IsDetectable() const override { return Detectable; }
 
   std::string GetName() const override { return m_name; }
 
diff --git a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
index 14462165fa..875cce4730 100644
--- a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
@@ -118,7 +118,7 @@ public:
   Battery(const ControlState* level) : m_level(*level) {}
   std::string GetName() const override { return "Battery"; }
   ControlState GetState() const override { return m_level; }
-  bool IsDetectable() override { return false; }
+  bool IsDetectable() const override { return false; }
 
 private:
   const ControlState& m_level;
diff --git a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
index 52c424a3e6..f8e1e734c9 100644
--- a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
+++ b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
@@ -63,7 +63,7 @@ private:
   {
   public:
     std::string GetName() const override { return name; }
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
     Cursor(u8 index, bool positive, const float* cursor);
     ControlState GetState() const override;
 
@@ -78,7 +78,7 @@ private:
   {
   public:
     std::string GetName() const override { return name; }
-    bool IsDetectable() override { return false; }
+    bool IsDetectable() const override { return false; }
     Axis(u8 index, bool positive, const float* axis);
     ControlState GetState() const override;
 
diff --git a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
index f372812388..029ea22d3c 100644
--- a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
@@ -178,7 +178,7 @@ public:
     return std::string(motion_data_names[m_code]) + (m_range < 0 ? '-' : '+');
   }
 
-  bool IsDetectable() override { return false; }
+  bool IsDetectable() const override { return false; }
 };
 
 class CursorInput final : public Axis
@@ -192,7 +192,7 @@ public:
     return std::string("Cursor ") + char('X' + m_code) + (m_range < 0 ? '-' : '+');
   }
 
-  bool IsDetectable() override { return false; }
+  bool IsDetectable() const override { return false; }
 };
 
 static std::thread s_hotplug_thread;