diff --git a/CHANGES b/CHANGES
index bf2e24870..c6e445506 100644
--- a/CHANGES
+++ b/CHANGES
@@ -31,6 +31,7 @@ Bugs fixed
 * #4655, #4684: Incomplete localization strings in Polish and Chinese
 * #2286: Sphinx crashes when error is happens in rendering HTML pages
 * #4688: Error to download remote images having long URL
+* #4754: sphinx/pycode/__init__.py raises AttributeError
 
 Testing
 --------
diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index de951a19f..fca28817d 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -117,23 +117,3 @@ class ModuleAnalyzer(object):
             self.parse()
 
         return self.tags
-
-
-if __name__ == '__main__':
-    import time
-    import pprint
-    x0 = time.time()
-    # ma = ModuleAnalyzer.for_file(__file__.rstrip('c'), 'sphinx.builders.html')
-    ma = ModuleAnalyzer.for_file('sphinx/environment.py',
-                                 'sphinx.environment')
-    ma.tokenize()
-    x1 = time.time()
-    ma.parse()
-    x2 = time.time()
-    # for (ns, name), doc in iteritems(ma.find_attr_docs()):
-    #     print '>>', ns, name
-    #     print '\n'.join(doc)
-    pprint.pprint(ma.find_tags())
-    x3 = time.time()
-    # print nodes.nice_repr(ma.parsetree, number2name)
-    print("tokenizing %.4f, parsing %.4f, finding %.4f" % (x1 - x0, x2 - x1, x3 - x2))