diff --git a/include/types/channel.h b/include/types/channel.h
index 2d79c11..4bcc3b9 100644
--- a/include/types/channel.h
+++ b/include/types/channel.h
@@ -57,7 +57,7 @@
 #define CF_READ_ERROR     0x00000008  /* unrecoverable error on producer side */
 #define CF_READ_ACTIVITY  (CF_READ_NULL|CF_READ_PARTIAL|CF_READ_ERROR)
 
-#define CF_WAKE_CONNECT   0x00000010  /* wake the task up after connect succeeds */
+/* unused: 0x00000010 */
 #define CF_SHUTR          0x00000020  /* producer has already shut down */
 #define CF_SHUTR_NOW      0x00000040  /* the producer must shut down for reads ASAP */
 #define CF_READ_NOEXP     0x00000080  /* producer should not expire */