diff --git a/src/builder.rs b/src/builder.rs
index ef00da2..fddb7fa 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -137,13 +137,13 @@ impl<D: Clone> ImplementationBuilder<CertChain<D>> for DefaultBuilder {
     Cert(resource.0.clone())
   }
 
-  type Implementation = ConcatSymbol<[Rc<Path>; 1], Rc<Path>, Rc<Path>>;
+  type Implementation = ();
   fn create(
     _resource: &CertChain<D>,
-    target: &<CertChain<D> as Resource>::Artifact,
-    cert: <Self::Prerequisites as ToArtifact>::Artifact,
+    _target: &<CertChain<D> as Resource>::Artifact,
+    _cert: <Self::Prerequisites as ToArtifact>::Artifact,
   ) -> Self::Implementation {
-    ConcatSymbol::new([cert.clone_rc()], target.clone_rc())
+    ()
   }
 }
 
diff --git a/src/locator.rs b/src/locator.rs
index a1b139e..277566b 100644
--- a/src/locator.rs
+++ b/src/locator.rs
@@ -90,17 +90,11 @@ impl<P, D: AsRef<str>> ResourceLocator<Cert<D>> for DefaultLocator<P> {
 }
 
 impl<P, D: AsRef<str>> ResourceLocator<CertChain<D>> for DefaultLocator<P> {
-  type Prerequisites = Dir<Rc<Path>>;
+  type Prerequisites = <Self as ResourceLocator<Cert<D>>>::Prerequisites;
   fn locate(
     resource: &CertChain<D>,
   ) -> (<CertChain<D> as Resource>::Artifact, Self::Prerequisites) {
-    (
-      PathArtifact::from(format!(
-        "/etc/ssl/local_certs/{}.chained.crt",
-        resource.0.as_ref()
-      )),
-      Dir::new("/etc/ssl/local_certs"),
-    )
+    <Self as ResourceLocator<Cert<&D>>>::locate(&Cert(&resource.0))
   }
 }