diff --git a/extern/picoquic b/extern/picoquic
index c3419f8..1c07d22 160000
--- a/extern/picoquic
+++ b/extern/picoquic
@@ -1 +1 @@
-Subproject commit c3419f8dccf441ad9c2a14d747261701f2884edd
+Subproject commit 1c07d2255ba633ab7bf8e5823bb07007678e25c0
diff --git a/src/slipstream_sockloop.c b/src/slipstream_sockloop.c
index 4dd4092..0482d05 100644
--- a/src/slipstream_sockloop.c
+++ b/src/slipstream_sockloop.c
@@ -137,12 +137,6 @@ int slipstream_packet_loop_(picoquic_network_thread_ctx_t* thread_ctx, picoquic_
             }
             slot->cnx = last_cnx;
             nb_packet_received++;
-
-            if (!param->is_client && last_cnx->nb_paths == 1) {
-                // server can only have 1 incoming path
-                picoquic_path_t* path_x = last_cnx->path[0];
-                picoquic_set_ack_needed(last_cnx, current_time, picoquic_packet_context_application, path_x, 1);
-            }
         }
 
         const uint64_t loop_time = picoquic_current_time();