diff --git a/tests/gctest.c b/tests/gctest.c
index 8f6ad2511..e6d37e663 100644
--- a/tests/gctest.c
+++ b/tests/gctest.c
@@ -171,8 +171,7 @@ static CRITICAL_SECTION incr_cs;
 
 /* Call GC_INIT only on platforms on which we think we really need it,  */
 /* so that we can test automatic initialization on the rest.            */
-#if defined(TEST_EXPLICIT_GC_INIT) || defined(AIX) || defined(CYGWIN32) \
-    || defined(HOST_ANDROID)                                            \
+#if defined(TEST_EXPLICIT_GC_INIT) || defined(AIX) || defined(HOST_ANDROID) \
     || (defined(MSWINCE) && !defined(GC_WINMAIN_REDIRECT))
 #  define GC_OPT_INIT GC_INIT()
 #else