diff --git a/src/tools.rs b/src/tools.rs
index 96eff604b..b33437bae 100644
--- a/src/tools.rs
+++ b/src/tools.rs
@@ -746,7 +746,7 @@ pub(crate) fn inc_and_check<T: PrimInt + AddAssign + std::fmt::Debug>(
 macro_rules! spawn_named_task {
     ($name:expr, $future:expr) => {{
         #[inline(always)]
-        #[allow(unused_variables)]
+        #[allow(unused_variables, unexpected_cfgs)]
         pub fn __spawn_named_task<Fut>(
             name: &str,
             future: Fut,
@@ -755,7 +755,7 @@ macro_rules! spawn_named_task {
             Fut: ::std::future::Future + Send + 'static,
             Fut::Output: Send + 'static,
         {
-            #[allow(unexpected_cfgs)]
+
             #[cfg(tokio_unstable)]
             {
                 ::tokio::task::Builder::new()
@@ -763,7 +763,6 @@ macro_rules! spawn_named_task {
                     .spawn(future)
                     .expect("Failed to spawn task")
             }
-            #[allow(unexpected_cfgs)]
             #[cfg(not(tokio_unstable))]
             {
                 ::tokio::task::spawn(future)
@@ -811,7 +810,7 @@ macro_rules! spawn_named_task {
 macro_rules! spawn_named_blocking_task {
     ($name:expr, $future:expr) => {{
         #[inline(always)]
-        #[allow(unused_variables)]
+        #[allow(unused_variables, unexpected_cfgs)]
         pub fn __spawn_named_blocking_task<Fut, ReturnType>(
             name: &str,
             future: Fut,
@@ -820,7 +819,6 @@ macro_rules! spawn_named_blocking_task {
             Fut: FnOnce() -> ReturnType + Send + 'static,
             ReturnType: Send + 'static,
         {
-            #[allow(unexpected_cfgs)]
             #[cfg(tokio_unstable)]
             {
                 ::tokio::task::Builder::new()
@@ -828,7 +826,6 @@ macro_rules! spawn_named_blocking_task {
                     .spawn_blocking(future)
                     .expect("Failed to spawn task")
             }
-            #[allow(unexpected_cfgs)]
             #[cfg(not(tokio_unstable))]
             {
                 ::tokio::task::spawn_blocking(future)