diff --git a/src/kiss.c b/src/kiss.c
index eed2c46..30adf45 100644
--- a/src/kiss.c
+++ b/src/kiss.c
@@ -114,10 +114,6 @@ ssize_t patty_kiss_frame_send(int fd,
         goto error_io;
     }
 
-    if (tcdrain(fd) < 0) {
-        goto error_io;
-    }
-
     return len;
 
 error_io: