diff --git a/src/gui/dialogs/preferences_dialog.cpp b/src/gui/dialogs/preferences_dialog.cpp
index 49460881c7c7..b0c4872a5e72 100644
--- a/src/gui/dialogs/preferences_dialog.cpp
+++ b/src/gui/dialogs/preferences_dialog.cpp
@@ -362,7 +362,7 @@ void tpreferences::add_friend_list_entry(const bool is_friend,
 }
 
 void tpreferences::edit_friend_list_entry(tlistbox& friends,
-		ttext_box& textbox, twindow&)
+		ttext_box& textbox)
 {
 	int sel = friends.get_selected_row();
 	if(sel < 0) {
diff --git a/src/gui/dialogs/preferences_dialog.hpp b/src/gui/dialogs/preferences_dialog.hpp
index 455f39323908..4242c0814bd7 100644
--- a/src/gui/dialogs/preferences_dialog.hpp
+++ b/src/gui/dialogs/preferences_dialog.hpp
@@ -64,8 +64,7 @@ class tpreferences : public tdialog
 	void add_friend_list_entry(const bool is_friend,
 		ttext_box& textbox, twindow& window);
 
-	void edit_friend_list_entry(tlistbox& friends,
-		ttext_box& textbox, twindow& window);
+	void edit_friend_list_entry(tlistbox& friends, ttext_box& textbox);
 
 	void remove_friend_list_entry(tlistbox& friends_list, 
 		ttext_box& textbox, twindow& window);