diff --git a/darwin/newcontrol.m b/darwin/newcontrol.m
index 60758fa6..bb08322f 100644
--- a/darwin/newcontrol.m
+++ b/darwin/newcontrol.m
@@ -230,15 +230,3 @@ void uiDarwinNewControl(uiControl *c, Class class, BOOL inScrollView, BOOL scrol
 	c->ContainerEnable = singleContainerEnable;
 	c->ContainerDisable = singleContainerDisable;
 }
-
-BOOL uiDarwinControlFreeWhenAppropriate(uiControl *c, NSView *newSuperview)
-{
-	singleView *s = (singleView *) (c->Internal);
-
-	if (newSuperview == destroyedControlsView) {
-		[s->immediate release];		// we don't need the reference anymore
-		uiFree(s);
-		return YES;
-	}
-	return NO;
-}
diff --git a/ui_darwin.h b/ui_darwin.h
index 097b5de4..cd0b14cb 100644
--- a/ui_darwin.h
+++ b/ui_darwin.h
@@ -11,10 +11,7 @@ This file assumes that you have imported <Cocoa/Cocoa.h> and "ui.h" beforehand.
 // The second parameter should come from [RealControlType class].
 // The two scrollView parameters allow placing scrollbars on the new control.
 // The two onDestroy parameters define a function and its parameter to call when the widget is destroyed.
-// Your control must call uiDarwinControlFreeWhenAppropriate() on the returned uiControl in its -[viewDidMoveToSuperview] method.
-// If it returns a value other than NO, then the uiControl has been freed and you should set references to it to NULL.
 extern void uiDarwinNewControl(uiControl *c, Class class, BOOL inScrollView, BOOL scrollViewHasBorder, void (*onDestroy)(void *), void *onDestroyData);
-extern BOOL uiDarwinControlFreeWhenAppropriate(uiControl *c, NSView *newSuperview);
 
 // You can use this function from within your control implementations to return text strings that can be freed with uiTextFree().
 extern char *uiDarwinNSStringToText(NSString *);