diff --git a/sys/sys/featuretest.h b/sys/sys/featuretest.h
index 4002bb02e..60976dca8 100644
--- a/sys/sys/featuretest.h
+++ b/sys/sys/featuretest.h
@@ -76,7 +76,6 @@
 #define _NETBSD_SOURCE 1
 #endif /* defined(__minix) */
 
-/* Never define _REENTRANT on Minix */
 #if ((_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500) && \
     !defined(_REENTRANT)
 #define _REENTRANT