diff --git a/py/test/deprecate.py b/py/test/deprecate.py
index 73dafdda8..ccd2c42dc 100644
--- a/py/test/deprecate.py
+++ b/py/test/deprecate.py
@@ -1,27 +1,9 @@
 import py
 
-def deprecated_call(func, *args, **kwargs): 
+def deprecated_call(func, *args, **kwargs):
     """ assert that calling func(*args, **kwargs)
         triggers a DeprecationWarning. 
     """ 
-    oldfilters = py.std.warnings.filters[:]
-    onceregistry = py.std.warnings.onceregistry.copy()
-    try: 
-        py.std.warnings.onceregistry.clear()
-        py.std.warnings.filterwarnings("error", category=DeprecationWarning)
-        try:
-            _ = func(*args, **kwargs) 
-        except DeprecationWarning: 
-            pass
-        else:
-            print __warningregistry__
-            raise AssertionError("%s not deprecated" % (func,))
-    finally: 
-        py.std.warnings.filters[:] = oldfilters 
-        py.std.warnings.onceregistry.clear()
-        py.std.warnings.onceregistry.update(onceregistry) 
-
-def deprecated_call(func, *args, **kwargs):
     l = []
     oldwarn = py.std.warnings.warn_explicit
     def warn_explicit(*args, **kwargs):