diff --git a/googlemock/include/gmock/gmock-spec-builders.h b/googlemock/include/gmock/gmock-spec-builders.h
index 1f261bd2..255d6ad6 100644
--- a/googlemock/include/gmock/gmock-spec-builders.h
+++ b/googlemock/include/gmock/gmock-spec-builders.h
@@ -61,6 +61,7 @@
 #ifndef GMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_
 #define GMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_
 
+#include <functional>
 #include <map>
 #include <memory>
 #include <set>
diff --git a/googlemock/test/gmock_output_test.py b/googlemock/test/gmock_output_test.py
index 0527bd93..25f99f2b 100755
--- a/googlemock/test/gmock_output_test.py
+++ b/googlemock/test/gmock_output_test.py
@@ -39,6 +39,7 @@ gmock_output_test.py
 
 """
 
+from io import open    # pylint: disable=redefined-builtin, g-importing-member
 import os
 import re
 import sys
@@ -152,10 +153,11 @@ def GetNormalizedCommandOutputAndLeakyTests(cmd):
 
 
 class GMockOutputTest(gmock_test_utils.TestCase):
+
   def testOutput(self):
     (output, leaky_tests) = GetNormalizedCommandOutputAndLeakyTests(COMMAND)
     golden_file = open(GOLDEN_PATH, 'rb')
-    golden = golden_file.read()
+    golden = golden_file.read().decode('utf-8')
     golden_file.close()
 
     # The normalized output should match the golden file.