diff --git a/Lib/binhex.py b/Lib/binhex.py
index 56b5f85..6ff38dd 100644
--- a/Lib/binhex.py
+++ b/Lib/binhex.py
@@ -21,10 +21,16 @@
 # input. The resulting code (xx 90 90) would appear to be interpreted as an
 # escaped *value* of 0x90. All coders I've seen appear to ignore this nicety...
 #
+import binascii
+import contextlib
 import io
 import os
 import struct
-import binascii
+import warnings
+
+warnings.warn('the binhex module is deprecated', DeprecationWarning,
+              stacklevel=2)
+
 
 __all__ = ["binhex","hexbin","Error"]
 
@@ -76,6 +82,16 @@
     def close(self):
         pass
 
+
+# DeprecationWarning is already emitted on "import binhex". There is no need
+# to repeat the warning at each call to deprecated binascii functions.
+@contextlib.contextmanager
+def _ignore_deprecation_warning():
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', '', DeprecationWarning)
+        yield
+
+
 class _Hqxcoderengine:
     """Write data to the coder in 3-byte chunks"""
 
@@ -93,7 +109,8 @@
         self.data = self.data[todo:]
         if not data:
             return
-        self.hqxdata = self.hqxdata + binascii.b2a_hqx(data)
+        with _ignore_deprecation_warning():
+            self.hqxdata = self.hqxdata + binascii.b2a_hqx(data)
         self._flush(0)
 
     def _flush(self, force):
@@ -109,7 +126,8 @@
 
     def close(self):
         if self.data:
-            self.hqxdata = self.hqxdata + binascii.b2a_hqx(self.data)
+            with _ignore_deprecation_warning():
+                self.hqxdata = self.hqxdata + binascii.b2a_hqx(self.data)
         self._flush(1)
         self.ofp.close()
         del self.ofp
@@ -125,13 +143,15 @@
         self.data = self.data + data
         if len(self.data) < REASONABLY_LARGE:
             return
-        rledata = binascii.rlecode_hqx(self.data)
+        with _ignore_deprecation_warning():
+            rledata = binascii.rlecode_hqx(self.data)
         self.ofp.write(rledata)
         self.data = b''
 
     def close(self):
         if self.data:
-            rledata = binascii.rlecode_hqx(self.data)
+            with _ignore_deprecation_warning():
+                rledata = binascii.rlecode_hqx(self.data)
             self.ofp.write(rledata)
         self.ofp.close()
         del self.ofp
@@ -180,7 +200,8 @@
         self._writecrc()
 
     def _write(self, data):
-        self.crc = binascii.crc_hqx(data, self.crc)
+        with _ignore_deprecation_warning():
+            self.crc = binascii.crc_hqx(data, self.crc)
         self.ofp.write(data)
 
     def _writecrc(self):
@@ -276,7 +297,8 @@
             #
             while True:
                 try:
-                    decdatacur, self.eof = binascii.a2b_hqx(data)
+                    with _ignore_deprecation_warning():
+                        decdatacur, self.eof = binascii.a2b_hqx(data)
                     break
                 except binascii.Incomplete:
                     pass
@@ -312,8 +334,9 @@
     def _fill(self, wtd):
         self.pre_buffer = self.pre_buffer + self.ifp.read(wtd + 4)
         if self.ifp.eof:
-            self.post_buffer = self.post_buffer + \
-                binascii.rledecode_hqx(self.pre_buffer)
+            with _ignore_deprecation_warning():
+                self.post_buffer = self.post_buffer + \
+                    binascii.rledecode_hqx(self.pre_buffer)
             self.pre_buffer = b''
             return
 
@@ -340,8 +363,9 @@
         else:
             mark = mark - 1
 
-        self.post_buffer = self.post_buffer + \
-            binascii.rledecode_hqx(self.pre_buffer[:mark])
+        with _ignore_deprecation_warning():
+            self.post_buffer = self.post_buffer + \
+                binascii.rledecode_hqx(self.pre_buffer[:mark])
         self.pre_buffer = self.pre_buffer[mark:]
 
     def close(self):
@@ -372,7 +396,8 @@
 
     def _read(self, len):
         data = self.ifp.read(len)
-        self.crc = binascii.crc_hqx(data, self.crc)
+        with _ignore_deprecation_warning():
+            self.crc = binascii.crc_hqx(data, self.crc)
         return data
 
     def _checkcrc(self):
diff --git a/Lib/test/test_binascii.py b/Lib/test/test_binascii.py
index 08de5c9..649edbe 100644
--- a/Lib/test/test_binascii.py
+++ b/Lib/test/test_binascii.py
@@ -4,6 +4,7 @@
 import binascii
 import array
 import re
+from test import support
 
 # Note: "*_hex" functions are aliases for "(un)hexlify"
 b2a_functions = ['b2a_base64', 'b2a_hex', 'b2a_hqx', 'b2a_qp', 'b2a_uu',
@@ -36,6 +37,7 @@
             self.assertTrue(hasattr(getattr(binascii, name), '__call__'))
             self.assertRaises(TypeError, getattr(binascii, name))
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_returned_value(self):
         # Limit to the minimum of all limits (b2a_uu)
         MAX_ALL = 45
@@ -179,6 +181,7 @@
         with self.assertRaises(TypeError):
             binascii.b2a_uu(b"", True)
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_crc_hqx(self):
         crc = binascii.crc_hqx(self.type2test(b"Test the CRC-32 of"), 0)
         crc = binascii.crc_hqx(self.type2test(b" this string."), crc)
@@ -198,6 +201,7 @@
 
         self.assertRaises(TypeError, binascii.crc32)
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_hqx(self):
         # Perform binhex4 style RLE-compression
         # Then calculate the hexbin4 binary-to-ASCII translation
@@ -208,6 +212,7 @@
         res = binascii.rledecode_hqx(b)
         self.assertEqual(res, self.rawdata)
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_rle(self):
         # test repetition with a repetition longer than the limit of 255
         data = (b'a' * 100 + b'b' + b'c' * 300)
@@ -354,6 +359,7 @@
         self.assertEqual(b2a_qp(type2test(b'a.\n')), b'a.\n')
         self.assertEqual(b2a_qp(type2test(b'.a')[:-1]), b'=2E')
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_empty_string(self):
         # A test for SF bug #1022953.  Make sure SystemError is not raised.
         empty = self.type2test(b'')
@@ -378,6 +384,7 @@
         # crc_hqx needs 2 arguments
         self.assertRaises(TypeError, binascii.crc_hqx, "test", 0)
 
+    @support.ignore_warnings(category=DeprecationWarning)
     def test_unicode_a2b(self):
         # Unicode strings are accepted by a2b_* functions.
         MAX_ALL = 45
@@ -416,6 +423,21 @@
         self.assertEqual(binascii.b2a_base64(b, newline=False),
                          b'aGVsbG8=')
 
+    def test_deprecated_warnings(self):
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(binascii.b2a_hqx(b'abc'), b'B@*M')
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(binascii.a2b_hqx(b'B@*M'), (b'abc', 0))
+
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(binascii.rlecode_hqx(b'a' * 10), b'a\x90\n')
+
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(binascii.rledecode_hqx(b'a\x90\n'), b'a' * 10)
+
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual(binascii.crc_hqx(b'abc', 0), 40406)
+
 
 class ArrayBinASCIITest(BinASCIITest):
     def type2test(self, s):
diff --git a/Lib/test/test_binhex.py b/Lib/test/test_binhex.py
index 2f3d53a..86ca37c 100644
--- a/Lib/test/test_binhex.py
+++ b/Lib/test/test_binhex.py
@@ -3,10 +3,12 @@
    Uses the mechanism of the python binhex module
    Based on an original test by Roger E. Masse.
 """
-import binhex
 import unittest
 from test import support
 
+with support.check_warnings(('', DeprecationWarning)):
+    import binhex
+
 
 class BinHexTestCase(unittest.TestCase):