diff --git a/src/channel.c b/src/channel.c
index dbed659..bbe98be 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2736,6 +2736,15 @@
 }
 
 /*
+ * Close the "in" part channel "channel".
+ */
+    void
+channel_close_in(channel_T *channel)
+{
+    may_close_part(&channel->CH_IN_FD);
+}
+
+/*
  * Clear the read buffer on "channel"/"part".
  */
     static void