diff --git a/src/renderer/renderer.rs b/src/renderer/renderer.rs
index 87f3101..78192ec 100644
--- a/src/renderer/renderer.rs
+++ b/src/renderer/renderer.rs
@@ -148,10 +148,7 @@ mod tests {
         }
     }
 
-    fn do_the_walk<'a, O: Walkable>(
-        context: &'a dyn Walkable<Output = O>,
-        path: &Vec<&str>,
-    ) -> &'a impl Walkable {
+    fn do_the_walk<'a>(context: &'a impl Walkable, path: &Vec<&str>) -> &'a impl Walkable {
         let mut output = context;
 
         context.walk(path.first().unwrap())
diff --git a/src/renderer/walkable.rs b/src/renderer/walkable.rs
index 99c31de..f93eef1 100644
--- a/src/renderer/walkable.rs
+++ b/src/renderer/walkable.rs
@@ -1,7 +1,7 @@
 use super::renderable::Renderable;
 
 pub trait Walkable {
-    type Output: ?Sized + Walkable;
+    type Output: Walkable;
 
     fn walk(&self, segment: &str) -> &Self::Output;