diff --git a/src/share/native/java/net/net_util.h b/src/share/native/java/net/net_util.h
index ab440c812f704d60d990f830b68bf0bf92ecd64c..8286a853c8a568c7365397d5d8f742b7f19074bf 100644
--- a/src/share/native/java/net/net_util.h
+++ b/src/share/native/java/net/net_util.h
@@ -42,9 +42,6 @@
 #define NET_ERROR(env, ex, msg) \
 { if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) }
 
-#define CHECK_NULL(x) if ((x) == NULL) return;
-#define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y;
-
 /************************************************************************
  * Cached field IDs
  *