Index: stack/trunk/stack.setup
===================================================================
--- stack/trunk/stack.setup	(revision 27569)
+++ stack/trunk/stack.setup	(working copy)
@@ -4,9 +4,6 @@
 
 (verify-extension-name 'stack)
 
-(required-extension-version
-  'check-errors       "1.9.0")
-
 (setup-shared-extension-module (extension-name) (extension-version "2.1.2")
   #:compile-options '(
     -disable-interrupts