diff --git a/TODO.md b/TODO.md
index cf7c9407..efd24b1b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,3 +1,4 @@
+- figure out how to deal with dchild at all, including preferred sizes
 - make OS X uiEntry width based on default in Interface Builder, not from sizeToFit
 - update state whenever setting parent
 - make the various onDestroy() functions take the uiControl instead
diff --git a/redo/box.c b/redo/box.c
index 6dba03ba..2610f3f4 100644
--- a/redo/box.c
+++ b/redo/box.c
@@ -87,7 +87,6 @@ static void boxPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_
 		bc = ptrArrayIndex(b->controls, struct boxControl *, i);
 		if (!uiControlContainerVisible(bc->c))
 			continue;
-		// TODO dchild
 		uiControlPreferredSize(bc->c, d, &preferredWidth, &preferredHeight);
 		if (bc->stretchy) {
 			nStretchy++;