diff --git a/crates/bevy_ecs/src/system/commands/mod.rs b/crates/bevy_ecs/src/system/commands/mod.rs
index e89d365948..7fede918fd 100644
--- a/crates/bevy_ecs/src/system/commands/mod.rs
+++ b/crates/bevy_ecs/src/system/commands/mod.rs
@@ -709,7 +709,7 @@ impl<'w, 's, 'a> EntityCommands<'w, 's, 'a> {
 
 impl<F> Command for F
 where
-    F: FnOnce(&mut World) + Send + Sync + 'static,
+    F: FnOnce(&mut World) + Send + 'static,
 {
     fn write(self, world: &mut World) {
         self(world);