diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index aa47ccf9f..5b246c015 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -935,12 +935,6 @@ ngx_send_lowat(ngx_connection_t *c, size_t lowat)
 {
     int  sndlowat;
 
-#if (NGX_QUIC)
-    if (c->quic) {
-        return NGX_OK;
-    }
-#endif
-
 #if (NGX_HAVE_LOWAT_EVENT)
 
     if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {