diff --git a/Nasal/libraries.nas b/Nasal/libraries.nas
index 52c7ebcb..155f9f95 100644
--- a/Nasal/libraries.nas
+++ b/Nasal/libraries.nas
@@ -301,29 +301,6 @@ setlistener("/options/steep-ils", func {
 	}
 });
 
-canvas.Text._lastText = canvas.Text["_lastText"];
-canvas.Text.setText = func(text) {
-	if (text == me._lastText and text != nil and size(text) == size(me._lastText)) {return me;}
-	me._lastText = text;
-	me.set("text", typeof(text) == 'scalar' ? text : "");
-};
-canvas.Element._lastVisible = nil;
-canvas.Element.show = func {
-	if (1 == me._lastVisible) {return me;}
-	me._lastVisible = 1;
-	me.setBool("visible", 1);
-};
-canvas.Element.hide = func {
-	if (0 == me._lastVisible) {return me;}
-	me._lastVisible = 0;
-	me.setBool("visible", 0);
-};
-canvas.Element.setVisible = func(vis) {
-	if (vis == me._lastVisible) {return me;}
-	me._lastVisible = vis;
-	me.setBool("visible", vis);
-};
-
 # In air, flaps 1 is slats only. On ground, it is slats and flaps.
 
 setprop("/controls/flight/flap-lever", 0);