diff --git a/fish-rust/src/io.rs b/fish-rust/src/io.rs
index aaf9390fa..bb8c41a24 100644
--- a/fish-rust/src/io.rs
+++ b/fish-rust/src/io.rs
@@ -344,7 +344,7 @@ impl IoBufferfill {
         // Our buffer will read from the read end of the pipe. This end must be non-blocking. This is
         // because our fillthread needs to poll to decide if it should shut down, and also accept input
         // from direct buffer transfers.
-        match make_fd_nonblocking(&pipes.read.fd()) {
+        match make_fd_nonblocking(pipes.read.fd()) {
             Ok(_) => (),
             Err(e) => {
                 FLOG!(warning, PIPE_ERROR);
diff --git a/fish-rust/src/topic_monitor.rs b/fish-rust/src/topic_monitor.rs
index 734770dee..fbf675507 100644
--- a/fish-rust/src/topic_monitor.rs
+++ b/fish-rust/src/topic_monitor.rs
@@ -212,7 +212,7 @@ impl binary_semaphore_t {
             // receive SIGCHLD and so deadlock. So if tsan is enabled, we mark our fd as non-blocking
             // (so reads will never block) and use select() to poll it.
             if cfg!(feature = "FISH_TSAN_WORKAROUNDS") {
-                let _ = make_fd_nonblocking(&pipes_.read.fd());
+                let _ = make_fd_nonblocking(pipes_.read.fd());
             }
         }
         binary_semaphore_t {