diff --git a/include/proto/channel.h b/include/proto/channel.h
index bf84a16..56bf5cf 100644
--- a/include/proto/channel.h
+++ b/include/proto/channel.h
@@ -459,7 +459,7 @@
 	    unlikely(tick_is_expired(chn->rex, now_ms)))
 		chn->flags |= CF_READ_TIMEOUT;
 
-	if (likely(!(chn->flags & (CF_SHUTW|CF_WRITE_TIMEOUT|CF_WRITE_ACTIVITY|CF_WRITE_EVENT))) &&
+	if (likely(!(chn->flags & (CF_SHUTW|CF_WRITE_TIMEOUT|CF_WRITE_ACTIVITY))) &&
 	    unlikely(tick_is_expired(chn->wex, now_ms)))
 		chn->flags |= CF_WRITE_TIMEOUT;
 
@@ -772,7 +772,7 @@
 	c_realign_if_empty(chn);
 
 	/* notify that some data was written to the SI from the buffer */
-	chn->flags |= CF_WRITE_PARTIAL | CF_WRITE_EVENT;
+	chn->flags |= CF_WRITE_PARTIAL;
 }
 
 /* Tries to copy chunk <chunk> into the channel's buffer after length controls.
diff --git a/include/types/channel.h b/include/types/channel.h
index 7879b12..f7ddd1a 100644
--- a/include/types/channel.h
+++ b/include/types/channel.h
@@ -117,11 +117,11 @@
 
 #define CF_WAKE_ONCE      0x10000000  /* pretend there is activity on this channel (one-shoot) */
 #define CF_FLT_ANALYZE    0x20000000  /* at least one filter is still analyzing this channel */
-#define CF_WRITE_EVENT    0x40000000  /* write activity not processed yet by the stream */
+/* unused: 0x40000000 */
 #define CF_ISRESP         0x80000000  /* 0 = request channel, 1 = response channel */
 
 /* Masks which define input events for stream analysers */
-#define CF_MASK_ANALYSER  (CF_READ_ATTACHED|CF_READ_ACTIVITY|CF_READ_TIMEOUT|CF_ANA_TIMEOUT|CF_WRITE_ACTIVITY|CF_WAKE_ONCE|CF_WRITE_EVENT)
+#define CF_MASK_ANALYSER  (CF_READ_ATTACHED|CF_READ_ACTIVITY|CF_READ_TIMEOUT|CF_ANA_TIMEOUT|CF_WRITE_ACTIVITY|CF_WAKE_ONCE)
 
 /* Mask for static flags which cause analysers to be woken up when they change */
 #define CF_MASK_STATIC    (CF_SHUTR|CF_SHUTW|CF_SHUTR_NOW|CF_SHUTW_NOW)