diff --git a/crates/bevy_ecs/src/entity/hash.rs b/crates/bevy_ecs/src/entity/hash.rs
index 0156951e7e302..b3de84e52d264 100644
--- a/crates/bevy_ecs/src/entity/hash.rs
+++ b/crates/bevy_ecs/src/entity/hash.rs
@@ -1,12 +1,14 @@
 use std::hash::{BuildHasher, Hasher};
 
+#[cfg(feature = "bevy_reflect")]
 use bevy_reflect::Reflect;
 use bevy_utils::hashbrown;
 
 use super::Entity;
 
 /// A [`BuildHasher`] that results in a [`EntityHasher`].
-#[derive(Default, Clone, Reflect)]
+#[derive(Default, Clone)]
+#[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 pub struct EntityHash;
 
 impl BuildHasher for EntityHash {
@@ -85,11 +87,13 @@ pub type EntityHashSet = hashbrown::HashSet<Entity, EntityHash>;
 #[cfg(test)]
 mod tests {
     use super::*;
+    #[cfg(feature = "bevy_reflect")]
     use bevy_reflect::Reflect;
     use static_assertions::assert_impl_all;
 
     // Check that the HashMaps are Clone if the key/values are Clone
     assert_impl_all!(EntityHashMap::<usize>: Clone);
     // EntityHashMap should implement Reflect
+    #[cfg(feature = "bevy_reflect")]
     assert_impl_all!(EntityHashMap::<i32>: Reflect);
 }
diff --git a/crates/bevy_ecs/src/entity/mod.rs b/crates/bevy_ecs/src/entity/mod.rs
index 54e62fa30e8dc..efc0a22458195 100644
--- a/crates/bevy_ecs/src/entity/mod.rs
+++ b/crates/bevy_ecs/src/entity/mod.rs
@@ -36,6 +36,7 @@
 //! [`EntityWorldMut::insert`]: crate::world::EntityWorldMut::insert
 //! [`EntityWorldMut::remove`]: crate::world::EntityWorldMut::remove
 mod map_entities;
+#[cfg(feature = "bevy_reflect")]
 use bevy_reflect::{Reflect, ReflectDeserialize, ReflectSerialize};
 pub use map_entities::*;
 
@@ -126,8 +127,12 @@ type IdCursor = isize;
 /// [`EntityCommands`]: crate::system::EntityCommands
 /// [`Query::get`]: crate::system::Query::get
 /// [`World`]: crate::world::World
-#[derive(Clone, Copy, Reflect)]
-#[reflect_value(Hash, PartialEq, Serialize, Deserialize)]
+#[derive(Clone, Copy)]
+#[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
+#[cfg_attr(
+    feature = "bevy_reflect",
+    reflect_value(Hash, PartialEq, Serialize, Deserialize)
+)]
 // Alignment repr necessary to allow LLVM to better output
 // optimised codegen for `to_bits`, `PartialEq` and `Ord`.
 #[repr(C, align(8))]