diff --git a/hermit/newlib/examples/hello.c b/hermit/newlib/examples/hello.c
index 43d93af4d..6789e4e0b 100644
--- a/hermit/newlib/examples/hello.c
+++ b/hermit/newlib/examples/hello.c
@@ -30,8 +30,6 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
-#undef errno
-extern int errno;
 
 int main(int argc, char** argv)
 {