#define VLIB_BUFFER_NEXT_PRESENT (1 << VLIB_BUFFER_LOG2_NEXT_PRESENT)
#define VLIB_BUFFER_IS_RECYCLED (1 << 2)
#define VLIB_BUFFER_TOTAL_LENGTH_VALID (1 << 3)
-#define VLIB_BUFFER_HGSHM_USER_INDEX_VALID (1 << 4)
-#define VLIB_BUFFER_REPL_FAIL (1 << 5)
+#define VLIB_BUFFER_REPL_FAIL (1 << 4)
/* User defined buffer flags. */
#define LOG2_VLIB_BUFFER_FLAG_USER(n) (32 - (n))