diff --git a/crates/tree/Cargo.toml b/crates/tree/Cargo.toml
index af3c53b..c7ad408 100644
--- a/crates/tree/Cargo.toml
+++ b/crates/tree/Cargo.toml
@@ -8,11 +8,14 @@ repository.workspace = true
 license.workspace = true
 
 [dependencies]
-automerge = "0.7.4"
-autosurgeon = "0.10.1"
+automerge = {version = "0.7.4", optional = true}
+autosurgeon = {version = "0.10.1", optional =  true}
 serde.workspace = true
 
 
+[features]
+automerge = ["dep:automerge", "dep:autosurgeon"]
+
 [lints.clippy]
 pedantic = "deny"
 nursery = "deny"
diff --git a/crates/tree/src/lib.rs b/crates/tree/src/lib.rs
index bc674b0..478d554 100644
--- a/crates/tree/src/lib.rs
+++ b/crates/tree/src/lib.rs
@@ -5,7 +5,6 @@
 //!
 //! TODO: add example usage
 
-use autosurgeon::{Hydrate, Reconcile};
 use serde::{Deserialize, Serialize};
 
 mod behaviors;
@@ -32,9 +31,8 @@ pub use iterators::PreOrderTraversalIds;
 pub use error::NodeIdError;
 
 /// A Node Id
-#[derive(
-    Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize, Reconcile, Hydrate,
-)]
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+#[cfg_attr(feature = "automerge", derive(Reconcile, Hydrate))]
 pub struct NodeId {
     index: u32,
 }
diff --git a/crates/tree/src/node.rs b/crates/tree/src/node.rs
index 26e3a89..074174a 100644
--- a/crates/tree/src/node.rs
+++ b/crates/tree/src/node.rs
@@ -1,9 +1,9 @@
-use autosurgeon::{Hydrate, Reconcile};
 use serde::{Deserialize, Serialize};
 
 use crate::NodeId;
 
-#[derive(Debug, Serialize, Deserialize, Reconcile, Hydrate, Ord, Eq, PartialOrd)]
+#[derive(Debug, Serialize, Deserialize, Ord, Eq, PartialOrd)]
+#[cfg_attr(feature = "automerge", derive(Reconcile, Hydrate))]
 pub struct Node<T> {
     pub(crate) data: T,
     pub(crate) parent: Option<NodeId>,
diff --git a/crates/tree/src/tree.rs b/crates/tree/src/tree.rs
index fb327fa..acc8fe9 100644
--- a/crates/tree/src/tree.rs
+++ b/crates/tree/src/tree.rs
@@ -1,6 +1,5 @@
 use std::cmp::Ordering;
 
-use autosurgeon::{Hydrate, Reconcile};
 use serde::{Deserialize, Serialize};
 
 use crate::{
@@ -156,7 +155,11 @@ impl<T> TreeBuilder<T> {
 /// Any function that takes a `NodeId` can `panic`, but this should
 /// only happen with improper `NodeId` management within `tree`, and
 /// should have nothing to do with library user's code.
-#[derive(Debug, Serialize, Deserialize, Reconcile, Hydrate)]
+#[derive(Debug, Serialize, Deserialize)]
+#[cfg_attr(
+    feature = "automerge",
+    derive(autosurgeon::Reconcile, autosurgeon::Hydrate)
+)]
 pub struct Tree<T> {
     root: Option<NodeId>,
     pub(crate) nodes: Vec<Option<Node<T>>>,