diff --git a/googletest/include/gtest/gtest.h b/googletest/include/gtest/gtest.h
index 88712076..0139fccf 100644
--- a/googletest/include/gtest/gtest.h
+++ b/googletest/include/gtest/gtest.h
@@ -1807,12 +1807,6 @@ class GTEST_API_ AssertHelper {
   GTEST_DISALLOW_COPY_AND_ASSIGN_(AssertHelper);
 };
 
-enum class GTestColor { kDefault, kRed, kGreen, kYellow };
-
-GTEST_API_ GTEST_ATTRIBUTE_PRINTF_(2, 3) void ColoredPrintf(GTestColor color,
-                                                            const char* fmt,
-                                                            ...);
-
 }  // namespace internal
 
 // The pure interface class that all value-parameterized tests inherit from.
diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index 6911ad69..2eb2ecb8 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -3056,6 +3056,9 @@ static const char * TestPartResultTypeToString(TestPartResult::Type type) {
 }
 
 namespace internal {
+namespace {
+enum class GTestColor { kDefault, kRed, kGreen, kYellow };
+}  // namespace
 
 // Prints a TestPartResult to an std::string.
 static std::string PrintTestPartResultToString(
@@ -3194,6 +3197,7 @@ bool ShouldUseColor(bool stdout_is_tty) {
 // cannot simply emit special characters and have the terminal change colors.
 // This routine must actually emit the characters rather than return a string
 // that would be colored when printed, as can be done on Linux.
+
 void ColoredPrintf(GTestColor color, const char* fmt, ...) {
   va_list args;
   va_start(args, fmt);