diff --git a/Lib/interfaceChecker.py b/Lib/interfaceChecker.py
deleted file mode 100644
index e5c7ab46b..000000000
--- a/Lib/interfaceChecker.py
+++ /dev/null
@@ -1,89 +0,0 @@
-import sys, types
-
-try:
-	import describeFunction
-except ImportError:
-	print "(Can't check interfaces, describeFunction could not be imported)"
-	describeFunction = None
-
-
-def collectMethodNames(theClass, names=None):
-	if names is None:
-		names = {}
-	names.update(theClass.__dict__)
-	for baseClass in theClass.__bases__:
-		collectMethodNames(baseClass, names)
-	names = names.keys()
-	names.sort()
-	return names
-	
-
-def checkClass(moduleName, theClass):
-	className = theClass.__name__
-	if theClass.__module__ <> moduleName:
-		return
-	if not hasattr(theClass, "__implements__"):
-		print "Interfaceless class: %s (%s)" % (className, theClass.__module__)
-		return
-	interfaces = theClass.__implements__
-	if interfaces is None:
-		return
-	if isinstance(interfaces, types.ClassType):
-		interfaces = (interfaces,)
-	gotOne = 0
-	for interface in interfaces:
-		methodNames = collectMethodNames(interface)
-		methodNames.sort()
-		for methodName in methodNames:
-			method = getattr(interface, methodName)
-			if not isinstance(method, types.UnboundMethodType):
-				continue
-			method = method.im_func
-			if not hasattr(theClass, methodName):
-				if not gotOne:
-					print "\nWarnings for module %s\n" % moduleName
-					gotOne = 1
-				print "class %s misses required method:\n  %s" % (className, describeFunction.describe(method))
-				continue
-			method2 = getattr(theClass, methodName).im_func
-			argList = describeFunction._describe(method)
-			argList2 = describeFunction._describe(method2)
-			if len(argList2) < len(argList):
-				if not gotOne:
-					print "\nWarnings for module %s\n" % moduleName
-					gotOne = 1
-				print "Method doesn't have enough arguments:"
-				print "  interface:      %s.%s" % (className, describeFunction.describe(method))
-				print "  implementation: %s.%s" % (className, describeFunction.describe(method2))
-				continue
-			for i in range(len(argList)):
-				if argList[i] <> argList2[i]:
-					if not gotOne:
-						print "\nWarnings for module %s\n" % moduleName
-						gotOne = 1
-					print "Method has different arguments:"
-					print "  interface:      %s.%s" % (className, describeFunction.describe(method))
-					print "  implementation: %s.%s" % (className, describeFunction.describe(method2))
-					break
-			for arg in argList2[len(argList):]:
-				if type(arg) == types.StringType:
-					if not gotOne:
-						print "\nWarnings for module %s\n" % moduleName
-						gotOne = 1
-					print "Additional argument(s) should have default value(s):"
-					print "  interface:      %s.%s" % (className, describeFunction.describe(method))
-					print "  implementation: %s.%s" % (className, describeFunction.describe(method2))
-					break
-
-
-
-def checkInterface(moduleName):
-	if describeFunction is None:
-		return
-	items = sys.modules[moduleName].__dict__.items()
-	items.sort()
-	for name, value in items:
-		if not isinstance(value, types.ClassType):
-			continue
-		checkClass(moduleName, value)
-