diff --git a/Cargo.lock b/Cargo.lock
index 754ad4f..fdc7d2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,147 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
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-
 [[package]]
 name = "fapprox"
 version = "0.1.0"
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- "rand",
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-
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- "cfg-if",
- "libc",
- "r-efi",
- "wasip2",
-]
-
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diff --git a/Cargo.toml b/Cargo.toml
index 94fc960..31d57a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,4 +4,3 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-rand = "0.9.2"
diff --git a/src/node/graph_modifier.rs b/src/node/graph_modifier.rs
new file mode 100644
index 0000000..df429e4
--- /dev/null
+++ b/src/node/graph_modifier.rs
@@ -0,0 +1,12 @@
+use crate::node::Node;
+
+pub struct GraphModifier<'a> {
+    root: &'a Node,
+}
+
+impl<'a> GraphModifier<'a> {
+    pub fn new(root: &Node) -> GraphModifier {
+        GraphModifier { root }
+    }
+    
+}
diff --git a/src/node/mod.rs b/src/node/mod.rs
index 281cbee..6aaa697 100644
--- a/src/node/mod.rs
+++ b/src/node/mod.rs
@@ -1,6 +1,6 @@
-use crate::node::node_modifier::NodeModifier;
+use crate::node::graph_modifier::GraphModifier;
 
-mod node_modifier;
+mod graph_modifier;
 
 pub struct Node {
     children: Vec<Node>,
@@ -31,7 +31,7 @@ impl Node {
 
         return (self.function)(inputs);
     }
-    pub fn modify_tree<'a>(&'a mut self) -> NodeModifier<'a> {
-        NodeModifier::from_random(self)
+    pub fn modify_tree(&self) -> GraphModifier {
+        GraphModifier::new(self)
     }
 }
diff --git a/src/node/node_modifier.rs b/src/node/node_modifier.rs
deleted file mode 100644
index fb4b449..0000000
--- a/src/node/node_modifier.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use crate::node::Node;
-use rand::random_range;
-
-const PICK_STOP_PROBABILITY: u8 = 2;
-
-pub struct NodeModifier<'a> {
-    picked_node: &'a mut Node,
-}
-
-impl<'a> NodeModifier<'a> {
-    pub fn from_random(root: &'a mut Node) -> NodeModifier<'a> {
-        let mut selected = root;
-        while random_range(0..PICK_STOP_PROBABILITY) == PICK_STOP_PROBABILITY - 1 {
-            let len = selected.children.len();
-            selected = &mut selected.children[random_range(0..len)];
-        }
-        NodeModifier {
-            picked_node: selected,
-        }
-    }
-    pub fn from_node(node: &'a mut Node) -> NodeModifier<'a> {
-        NodeModifier { picked_node: node }
-    }
-}