diff --git a/AppKit/CPArrayController.j b/AppKit/CPArrayController.j
index 359876612..764096a0b 100644
--- a/AppKit/CPArrayController.j
+++ b/AppKit/CPArrayController.j
@@ -584,7 +584,7 @@
 */
 - (BOOL)__setSelectionIndexes:(CPIndexSet)indexes
 {
-    [self __setSelectionIndexes:indexes avoidEmpty:_avoidsEmptySelection];
+    return [self __setSelectionIndexes:indexes avoidEmpty:_avoidsEmptySelection];
 }
 
 - (BOOL)__setSelectionIndexes:(CPIndexSet)indexes avoidEmpty:(BOOL)avoidEmpty
@@ -920,6 +920,15 @@
     [self removeObjectsAtArrangedObjectIndexes:_selectionIndexes];
 }
 
+/*!
+    Removes the object at the specified index in the controller's arranged objects from the content array.
+    @param int index - index of the object to remove.
+*/
+- (void)removeObjectAtArrangedObjectIndex:(int)index
+{
+    [self removeObjectsAtArrangedObjectIndexes:[CPIndexSet indexSetWithIndex:index]];
+}
+
 /*!
     Removes the objects at the specified indexes in the controller's arranged objects from the content array.
     @param CPIndexSet indexes - indexes of the objects to remove.