diff --git a/openbsd-compat/arc4random.c b/openbsd-compat/arc4random.c
index ae48cce9e..02f15f9c3 100644
--- a/openbsd-compat/arc4random.c
+++ b/openbsd-compat/arc4random.c
@@ -52,8 +52,6 @@
 # define getentropy(x, y) (_ssh_compat_getentropy((x), (y)))
 #endif
 
-#define DEF_WEAK(x)
-
 #include "log.h"
 
 #define KEYSTREAM_ONLY