1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_lsp_server/tests/heavy_tests/support.rs b/crates/ra_lsp_server/tests/heavy_tests/support.rs
index 22a5a610d..75912afdd 100644
--- a/crates/ra_lsp_server/tests/heavy_tests/support.rs
+++ b/crates/ra_lsp_server/tests/heavy_tests/support.rs
@@ -94,7 +94,7 @@ impl Server {
         let worker = Worker::<RawMessage, RawMessage>::spawn(
             "test server",
             128,
-            move |mut msg_receiver, mut msg_sender| {
+            move |msg_receiver, msg_sender| {
                 main_loop(roots, InitializationOptions::default(), &msg_receiver, &msg_sender)
                     .unwrap()
             },