diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index 08eaefbd..a64e887c 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -5030,7 +5030,7 @@ class ScopedPrematureExitFile {
   }
 
   ~ScopedPrematureExitFile() {
-#if !defined GTEST_OS_ESP8266
+#if !GTEST_OS_ESP8266
     if (!premature_exit_filepath_.empty()) {
       int retval = remove(premature_exit_filepath_.c_str());
       if (retval) {