diff --git a/indra/newview/fsareasearchlistctrl.h b/indra/newview/fsareasearchlistctrl.h
index fdbe329d49..f84aafaee1 100644
--- a/indra/newview/fsareasearchlistctrl.h
+++ b/indra/newview/fsareasearchlistctrl.h
@@ -38,15 +38,14 @@ public:
 	struct Params : public LLInitParam::Block<Params, FSScrollListCtrl::Params>
 	{
 		Params()
-		{
-			name = "area_search_list";
-		}
+		{}
 	};
 	
 	BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
 
 protected:
 	FSAreaSearchListCtrl(const Params&);
+	virtual ~FSAreaSearchListCtrl() {}
 	friend class LLUICtrlFactory;
 };
 
diff --git a/indra/newview/fsblocklistctrl.h b/indra/newview/fsblocklistctrl.h
index afa0acb866..146de75e35 100644
--- a/indra/newview/fsblocklistctrl.h
+++ b/indra/newview/fsblocklistctrl.h
@@ -38,15 +38,14 @@ public:
 	struct Params : public LLInitParam::Block<Params, FSScrollListCtrl::Params>
 	{
 		Params()
-		{
-			name = "block_list";
-		}
+		{}
 	};
-	
+
 	BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
 
 protected:
 	FSBlockListCtrl(const Params&);
+	virtual ~FSBlockListCtrl() {}
 	friend class LLUICtrlFactory;
 };
 
diff --git a/indra/newview/fscontactsfriendsctrl.h b/indra/newview/fscontactsfriendsctrl.h
index 476ce81a22..372ed66c22 100644
--- a/indra/newview/fscontactsfriendsctrl.h
+++ b/indra/newview/fscontactsfriendsctrl.h
@@ -38,15 +38,14 @@ public:
 	struct Params : public LLInitParam::Block<Params, FSScrollListCtrl::Params>
 	{
 		Params()
-		{
-			name = "friend_list";
-		}
+		{}
 	};
-	
+
 	BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
 
 protected:
 	FSContactsFriendsCtrl(const Params&);
+	virtual ~FSContactsFriendsCtrl() {}
 	friend class LLUICtrlFactory;
 };
 
diff --git a/indra/newview/fsradarlistctrl.h b/indra/newview/fsradarlistctrl.h
index a9530af583..a77d99b80b 100644
--- a/indra/newview/fsradarlistctrl.h
+++ b/indra/newview/fsradarlistctrl.h
@@ -34,58 +34,18 @@ class FSRadarListCtrl
 : public FSScrollListCtrl, public LLInstanceTracker<FSRadarListCtrl>
 {
 public:
-	
+
 	struct Params : public LLInitParam::Block<Params, FSScrollListCtrl::Params>
 	{
-		// behavioral flags
-		Optional<bool>	multi_select,
-		commit_on_keyboard_movement,
-		mouse_wheel_opaque;
-		
-		// display flags
-		Optional<bool>	has_border,
-		draw_heading,
-		draw_stripes,
-		background_visible,
-		scroll_bar_bg_visible;
-		
-		// layout
-		Optional<S32>	column_padding,
-		page_lines,
-		heading_height;
-		
-		// sort and search behavior
-		Optional<S32>	search_column,
-		sort_column;
-		Optional<bool>	sort_ascending;
-		
-		// colors
-		Optional<LLUIColor>	fg_unselected_color,
-		fg_selected_color,
-		bg_selected_color,
-		fg_disable_color,
-		bg_writeable_color,
-		bg_readonly_color,
-		bg_stripe_color,
-		hovered_color,
-		highlighted_color,
-		scroll_bar_bg_color;
-		
-		Optional<Contents> contents;
-		
-		Optional<LLViewBorder::Params> border;
-		
 		Params()
-		{
-			name = "radar_list";
-		}
-	};	
-	
+		{}
+	};
+
 	BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
-	
-	
+
 protected:
 	FSRadarListCtrl(const Params&);
+	virtual ~FSRadarListCtrl() {}
 	friend class LLUICtrlFactory;
 };