diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc
index 6d480e0e..578425d1 100644
--- a/googlemock/test/gmock-matchers_test.cc
+++ b/googlemock/test/gmock-matchers_test.cc
@@ -7666,7 +7666,7 @@ TEST(ElementsAreArrayTest, CanBeCreatedWithIteratorRange) {
 }
 
 // Since ElementsAre() and ElementsAreArray() share much of the
-// implementation, we only do a sanity test for native arrays here.
+// implementation, we only do a test for native arrays here.
 TEST(ElementsAreArrayTest, WorksWithNativeArray) {
   ::std::string a[] = {"hi", "ho"};
   ::std::string b[] = {"hi", "ho"};
diff --git a/googletest/test/googletest-output-test_.cc b/googletest/test/googletest-output-test_.cc
index b0ad52ca..04fbfb3d 100644
--- a/googletest/test/googletest-output-test_.cc
+++ b/googletest/test/googletest-output-test_.cc
@@ -1081,7 +1081,7 @@ int main(int argc, char **argv) {
   // this program with the golden file.
 
   // It's hard to test InitGoogleTest() directly, as it has many
-  // global side effects.  The following line serves as a sanity test
+  // global side effects.  The following line serves as a test
   // for it.
   testing::InitGoogleTest(&argc, argv);
   bool internal_skip_environment_and_ad_hoc_tests =
diff --git a/googletest/test/googletest-printers-test.cc b/googletest/test/googletest-printers-test.cc
index 0058917a..6017d0d2 100644
--- a/googletest/test/googletest-printers-test.cc
+++ b/googletest/test/googletest-printers-test.cc
@@ -1629,7 +1629,7 @@ TEST(PrintToStringTest, WorksForCharArrayWithEmbeddedNul) {
 }
 
   TEST(PrintToStringTest, ContainsNonLatin) {
-  // Sanity test with valid UTF-8. Prints both in hex and as text.
+  // Test with valid UTF-8. Prints both in hex and as text.
   std::string non_ascii_str = ::std::string("오전 4:30");
   EXPECT_PRINT_TO_STRING_(non_ascii_str,
                           "\"\\xEC\\x98\\xA4\\xEC\\xA0\\x84 4:30\"\n"
diff --git a/googletest/test/gtest_unittest.cc b/googletest/test/gtest_unittest.cc
index 0f10df55..936b7a2d 100644
--- a/googletest/test/gtest_unittest.cc
+++ b/googletest/test/gtest_unittest.cc
@@ -7171,7 +7171,7 @@ TEST(EventListenerTest, RemovingDefaultXmlGeneratorWorks) {
   delete listener;
 }
 
-// Sanity tests to ensure that the alternative, verbose spellings of
+// Tests to ensure that the alternative, verbose spellings of
 // some of the macros work.  We don't test them thoroughly as that
 // would be quite involved.  Since their implementations are
 // straightforward, and they are rarely used, we'll just rely on the