diff --git a/src/common/input/InputDevice.h b/src/common/input/InputDevice.h
index 75d2d8210..b8465fe5e 100644
--- a/src/common/input/InputDevice.h
+++ b/src/common/input/InputDevice.h
@@ -89,7 +89,6 @@ public:
 	{
 	public:
 		virtual ControlState GetState() const = 0;
-		virtual bool IsDetectable() { return true; }
 	};
 
 	class Output : public IoControl
diff --git a/src/common/input/InputWindow.cpp b/src/common/input/InputWindow.cpp
index 6d390c440..3975403c6 100644
--- a/src/common/input/InputWindow.cpp
+++ b/src/common/input/InputWindow.cpp
@@ -186,7 +186,7 @@ InputDevice::Input* InputWindow::DetectInput(InputDevice* const Device, int ms)
 		Device->UpdateInput();
 		std::vector<bool>::iterator state = initial_states.begin();
 		for (; i != e && s == e; i++, state++) {
-			if ((*i)->IsDetectable() && (*i)->GetState() > INPUT_DETECT_THRESHOLD) {
+			if ((*i)->GetState() > INPUT_DETECT_THRESHOLD) {
 				if (*state == false) {
 					// input was not initially pressed or it was but released afterwards
 					s = i;