diff -r 0eeb39fc8ff5 Lib/codecs.py
--- a/Lib/codecs.py	Tue Dec 01 19:59:53 2015 +1100
+++ b/Lib/codecs.py	Wed Dec 02 22:24:02 2015 +0200
@@ -413,6 +413,9 @@ class StreamWriter(Codec):
     def __exit__(self, type, value, tb):
         self.stream.close()
 
+    def __reduce_ex__(self, proto):
+        raise TypeError("can't serialize %s" % self.__class__.__name__)
+
 ###
 
 class StreamReader(Codec):
@@ -660,6 +663,9 @@ class StreamReader(Codec):
     def __exit__(self, type, value, tb):
         self.stream.close()
 
+    def __reduce_ex__(self, proto):
+        raise TypeError("can't serialize %s" % self.__class__.__name__)
+
 ###
 
 class StreamReaderWriter:
@@ -747,6 +753,9 @@ class StreamReaderWriter:
     def __exit__(self, type, value, tb):
         self.stream.close()
 
+    def __reduce_ex__(self, proto):
+        raise TypeError("can't serialize %s" % self.__class__.__name__)
+
 ###
 
 class StreamRecoder:
diff -r 0eeb39fc8ff5 Lib/test/test_codecs.py
--- a/Lib/test/test_codecs.py	Tue Dec 01 19:59:53 2015 +1100
+++ b/Lib/test/test_codecs.py	Wed Dec 02 22:24:02 2015 +0200
@@ -1,7 +1,9 @@
 import codecs
 import contextlib
+import copy
 import io
 import locale
+import pickle
 import sys
 import unittest
 import warnings
@@ -1832,6 +1834,67 @@ class StreamReaderTest(unittest.TestCase
         f = self.reader(self.stream)
         self.assertEqual(f.readlines(), ['\ud55c\n', '\uae00'])
 
+    def test_copy(self):
+        f = self.reader(Queue(b'\xed\x95\x9c\n\xea\xb8\x80'))
+        with self.assertRaises(TypeError):
+            copy.copy(f)
+
+    def test_deepcopy(self):
+        f = self.reader(Queue(b'\xed\x95\x9c\n\xea\xb8\x80'))
+        with self.assertRaises(TypeError):
+            copy.deepcopy(f)
+
+    def test_pickle(self):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            f = self.reader(Queue(b'\xed\x95\x9c\n\xea\xb8\x80'))
+            with self.assertRaises(TypeError):
+                pickle.dumps(f, proto)
+
+
+class StreamWriterTest(unittest.TestCase):
+
+    def setUp(self):
+        self.writer = codecs.getwriter('utf-8')
+
+    def test_copy(self):
+        f = self.writer(Queue(b''))
+        with self.assertRaises(TypeError):
+            copy.copy(f)
+
+    def test_deepcopy(self):
+        f = self.writer(Queue(b''))
+        with self.assertRaises(TypeError):
+            copy.deepcopy(f)
+
+    def test_pickle(self):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            f = self.writer(Queue(b''))
+            with self.assertRaises(TypeError):
+                pickle.dumps(f, proto)
+
+
+class StreamReaderWriterTest(unittest.TestCase):
+
+    def setUp(self):
+        self.reader = codecs.getreader('latin1')
+        self.writer = codecs.getwriter('utf-8')
+
+    def test_copy(self):
+        f = codecs.StreamReaderWriter(Queue(b''), self.reader, self.writer)
+        with self.assertRaises(TypeError):
+            copy.copy(f)
+
+    def test_deepcopy(self):
+        f = codecs.StreamReaderWriter(Queue(b''), self.reader, self.writer)
+        with self.assertRaises(TypeError):
+            copy.deepcopy(f)
+
+    def test_pickle(self):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            f = codecs.StreamReaderWriter(Queue(b''), self.reader, self.writer)
+            with self.assertRaises(TypeError):
+                pickle.dumps(f, proto)
+
 
 class EncodedFileTest(unittest.TestCase):