diff --git a/src/framerate_gui.cpp b/src/framerate_gui.cpp
--- a/src/framerate_gui.cpp
+++ b/src/framerate_gui.cpp
@@ -460,7 +460,7 @@ struct FramerateWindow : Window {
 		ResizeWindow(this, 0, (std::max(MIN_ELEMENTS, this->num_displayed) - MIN_ELEMENTS) * FONT_HEIGHT_NORMAL);
 	}
 
-	void OnRealtimeTick(uint delta_ms) override
+	void OnRealtimeTick([[maybe_unused]] uint delta_ms) override
 	{
 		/* Check if the shaded state has changed, switch caption text if it has */
 		if (this->small != this->IsShaded()) {
@@ -540,7 +540,7 @@ struct FramerateWindow : Window {
 		}
 	}
 
-	void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
+	void UpdateWidgetSize(int widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
 	{
 		switch (widget) {
 			case WID_FRW_RATE_GAMELOOP:
@@ -693,7 +693,7 @@ struct FramerateWindow : Window {
 		}
 	}
 
-	void OnClick(Point pt, int widget, int click_count) override
+	void OnClick([[maybe_unused]] Point pt, int widget, [[maybe_unused]] int click_count) override
 	{
 		switch (widget) {
 			case WID_FRW_TIMES_NAMES:
@@ -780,7 +780,7 @@ struct FrametimeGraphWindow : Window {
 		}
 	}
 
-	void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
+	void UpdateWidgetSize(int widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
 	{
 		if (widget == WID_FGW_GRAPH) {
 			SetDParam(0, 100);
@@ -883,7 +883,7 @@ struct FrametimeGraphWindow : Window {
 		this->UpdateScale();
 	}};
 
-	void OnRealtimeTick(uint delta_ms) override
+	void OnRealtimeTick([[maybe_unused]] uint delta_ms) override
 	{
 		this->SetDirty();
 	}