diff --git a/Lib/test/test_trace.py b/Lib/test/test_trace.py
--- a/Lib/test/test_trace.py
+++ b/Lib/test/test_trace.py
@@ -1,13 +1,15 @@
 import os
 import sys
 from test.support import (run_unittest, TESTFN, rmtree, unlink,
                                captured_stdout)
+import tempfile
 import unittest
+import warnings
 
 import trace
 from trace import CoverageResults, Trace
 
 from test.tracedmodules import testmod
 
 
 #------------------------------- Utilities -----------------------------------#
@@ -356,14 +358,55 @@ class Test_Ignore(unittest.TestCase):
         self.assertFalse(ignore.names('xy.py', 'xy'))
         self.assertFalse(ignore.names('y.py', 'y'))
         self.assertTrue(ignore.names(jn('foo', 'bar', 'baz.py'), 'baz'))
         self.assertFalse(ignore.names(jn('bar', 'z.py'), 'z'))
         # Matched before.
         self.assertTrue(ignore.names(jn('bar', 'baz.py'), 'baz'))
 
 
+class TestDeprecatedMethods(unittest.TestCase):
+
+    def test_deprecated_usage(self):
+        with self.assertWarns(DeprecationWarning):
+            trace.usage(sys.stderr)
+
+    def test_deprecated_Ignore(self):
+        with self.assertWarns(DeprecationWarning):
+            trace.Ignore()
+
+    def test_deprecated_modname(self):
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual("spam", trace.modname("spam"))
+
+    def test_deprecated_fullmodname(self):
+        with self.assertWarns(DeprecationWarning):
+            self.assertEqual("spam", trace.fullmodname("spam"))
+
+    def test_deprecated_find_lines_from_code(self):
+        with self.assertWarns(DeprecationWarning):
+            def foo():
+                pass
+            trace.find_lines_from_code(foo.__code__, ["eggs"])
+
+    def test_deprecated_find_lines(self):
+        with self.assertWarns(DeprecationWarning):
+            def foo():
+                pass
+            trace.find_lines(foo.__code__, ["eggs"])
+
+    def test_deprecated_find_strings(self):
+        with self.assertWarns(DeprecationWarning):
+            with tempfile.NamedTemporaryFile() as fd:
+                trace.find_strings(fd.name)
+
+    def test_deprecated_find_executable_linenos(self):
+        with self.assertWarns(DeprecationWarning):
+            with tempfile.NamedTemporaryFile() as fd:
+                trace.find_executable_linenos(fd.name)
+
+
 def test_main():
     run_unittest(__name__)
 
 
 if __name__ == '__main__':
     test_main()
diff --git a/Lib/trace.py b/Lib/trace.py
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -53,16 +53,17 @@ import os
 import re
 import sys
 import token
 import tokenize
 import inspect
 import gc
 import dis
 import pickle
+from warnings import warn as _warn
 try:
     from time import monotonic as _time
 except ImportError:
     from time import time as _time
 
 try:
     import threading
 except ImportError: