diff --git a/waflib/Node.py b/waflib/Node.py
index a97cba91..03a7d7a7 100644
--- a/waflib/Node.py
+++ b/waflib/Node.py
@@ -908,19 +908,6 @@ class Node(object):
 				raise
 		return ret
 
-	# --------------------------------------------
-	# TODO waf 2.0, remove the sig and cache_sig attributes
-	def get_sig(self):
-		return self.h_file()
-	def set_sig(self, val):
-		# clear the cache, so that past implementation should still work
-		try:
-			del self.get_bld_sig.__cache__[(self,)]
-		except (AttributeError, KeyError):
-			pass
-	sig = property(get_sig, set_sig)
-	cache_sig = property(get_sig, set_sig)
-
 pickle_lock = Utils.threading.Lock()
 """Lock mandatory for thread-safe node serialization"""