diff --git a/crates/bevy_core/src/time/fixed_timestep.rs b/crates/bevy_core/src/time/fixed_timestep.rs
index d79f4e6ccf0f3..0d6abf2b9cdd0 100644
--- a/crates/bevy_core/src/time/fixed_timestep.rs
+++ b/crates/bevy_core/src/time/fixed_timestep.rs
@@ -119,7 +119,7 @@ impl FixedTimestep {
 
     fn prepare_system(
         mut state: LocalFixedTimestepState,
-    ) -> impl FnMut(Res<Time>, ResMut<FixedTimesteps>) -> ShouldRun {
+    ) -> impl FnMut(Res<'_, Time>, ResMut<'_, FixedTimesteps>) -> ShouldRun {
         move |time, mut fixed_timesteps| {
             let should_run = state.update(&time);
             if let Some(ref label) = state.label {
diff --git a/crates/bevy_ecs/src/schedule/stage.rs b/crates/bevy_ecs/src/schedule/stage.rs
index c2a040d648517..d12fbeb8eb9d2 100644
--- a/crates/bevy_ecs/src/schedule/stage.rs
+++ b/crates/bevy_ecs/src/schedule/stage.rs
@@ -960,7 +960,7 @@ mod tests {
         move |world| world.resource_mut::<Vec<usize>>().push(tag)
     }
 
-    fn make_parallel(tag: usize) -> impl FnMut(ResMut<Vec<usize>>) {
+    fn make_parallel(tag: usize) -> impl FnMut(ResMut<'_, Vec<usize>>) {
         move |mut resource: ResMut<Vec<usize>>| resource.push(tag)
     }
 
diff --git a/crates/bevy_ecs/src/system/system_param.rs b/crates/bevy_ecs/src/system/system_param.rs
index a5a7cb564637a..7c0359b14dcdb 100644
--- a/crates/bevy_ecs/src/system/system_param.rs
+++ b/crates/bevy_ecs/src/system/system_param.rs
@@ -591,7 +591,7 @@ impl<'w, 's> SystemParamFetch<'w, 's> for WorldState {
 /// # use bevy_ecs::system::assert_is_system;
 /// struct Config(u32);
 /// struct Myu32Wrapper(u32);
-/// fn reset_to_system(value: Config) -> impl FnMut(ResMut<Myu32Wrapper>) {
+/// fn reset_to_system(value: Config) -> impl FnMut(ResMut<'_, Myu32Wrapper>) {
 ///     move |mut val| val.0 = value.0
 /// }
 ///