diff --git a/src/shrpx_connection.cc b/src/shrpx_connection.cc
index bc64f1a0..3d42537e 100644
--- a/src/shrpx_connection.cc
+++ b/src/shrpx_connection.cc
@@ -625,8 +625,6 @@ ssize_t Connection::write_tls(const void *data, size_t len) {
     }
   }
 
-  wlimit.drain(rv);
-
   update_tls_warmup_writelen(rv);
 
   return rv;
@@ -678,8 +676,6 @@ ssize_t Connection::read_tls(void *data, size_t len) {
     }
   }
 
-  rlimit.drain(rv);
-
   return rv;
 }