diff --git a/src/exploration.rs b/src/exploration.rs
index 8f5359c..f1c9fa0 100644
--- a/src/exploration.rs
+++ b/src/exploration.rs
@@ -372,8 +372,8 @@ fn cleanup(
 }
 
 #[derive(Resource, Clone, Debug)]
-pub struct ExplorationConfig<State> {
-    pub states: Vec<State>,
+struct ExplorationConfig<State> {
+    states: Vec<State>,
 }
 
 impl<State> Default for ExplorationConfig<State> {