diff --git a/TODO b/TODO
index a5ddff6f..d02c01bc 100644
--- a/TODO
+++ b/TODO
@@ -7,7 +7,6 @@ Waf 2.0
 -------
 
 Merge mem_reducer.py in the mainline
-Keep sorted lists in TaskGen.prec[]
 Improve the sorting in TaskGen.post()
 Default to force files into the build directory
 Remove ut_exec, ut_cmd from waf_unit_test.py
diff --git a/waflib/TaskGen.py b/waflib/TaskGen.py
index 09ae79bb..2d5599d4 100644
--- a/waflib/TaskGen.py
+++ b/waflib/TaskGen.py
@@ -432,7 +432,7 @@ def before_method(*k):
 		for fun_name in k:
 			if not func.__name__ in task_gen.prec[fun_name]:
 				task_gen.prec[fun_name].append(func.__name__)
-				#task_gen.prec[fun_name].sort()
+				task_gen.prec[fun_name].sort()
 		return func
 	return deco
 before = before_method
@@ -461,7 +461,7 @@ def after_method(*k):
 		for fun_name in k:
 			if not fun_name in task_gen.prec[func.__name__]:
 				task_gen.prec[func.__name__].append(fun_name)
-				#task_gen.prec[func.__name__].sort()
+				task_gen.prec[func.__name__].sort()
 		return func
 	return deco
 after = after_method