diff --git a/tvix/store/src/tests/nar_renderer.rs b/tvix/store/src/tests/nar_renderer.rs
index b57b58ec5..b92739552 100644
--- a/tvix/store/src/tests/nar_renderer.rs
+++ b/tvix/store/src/tests/nar_renderer.rs
@@ -5,9 +5,7 @@ use crate::tests::utils::*;
 use sha2::{Digest, Sha256};
 use std::io;
 use tokio::io::sink;
-use tvix_castore::proto::DirectoryNode;
-use tvix_castore::proto::FileNode;
-use tvix_castore::proto::{self as castorepb, SymlinkNode};
+use tvix_castore::proto as castorepb;
 
 #[tokio::test]
 async fn single_symlink() {
@@ -15,7 +13,7 @@ async fn single_symlink() {
 
     write_nar(
         &mut buf,
-        &castorepb::node::Node::Symlink(SymlinkNode {
+        &castorepb::node::Node::Symlink(castorepb::SymlinkNode {
             name: "doesntmatter".into(),
             target: "/nix/store/somewhereelse".into(),
         }),
@@ -34,7 +32,7 @@ async fn single_symlink() {
 async fn single_file_missing_blob() {
     let e = write_nar(
         sink(),
-        &castorepb::node::Node::File(FileNode {
+        &castorepb::node::Node::File(castorepb::FileNode {
             name: "doesntmatter".into(),
             digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
             size: HELLOWORLD_BLOB_CONTENTS.len() as u64,
@@ -79,7 +77,7 @@ async fn single_file_wrong_blob_size() {
     {
         let e = write_nar(
             sink(),
-            &castorepb::node::Node::File(FileNode {
+            &castorepb::node::Node::File(castorepb::FileNode {
                 name: "doesntmatter".into(),
                 digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
                 size: 42, // <- note the wrong size here!
@@ -104,7 +102,7 @@ async fn single_file_wrong_blob_size() {
     {
         let e = write_nar(
             sink(),
-            &castorepb::node::Node::File(FileNode {
+            &castorepb::node::Node::File(castorepb::FileNode {
                 name: "doesntmatter".into(),
                 digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
                 size: 2, // <- note the wrong size here!
@@ -147,7 +145,7 @@ async fn single_file() {
 
     write_nar(
         &mut buf,
-        &castorepb::node::Node::File(FileNode {
+        &castorepb::node::Node::File(castorepb::FileNode {
             name: "doesntmatter".into(),
             digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
             size: HELLOWORLD_BLOB_CONTENTS.len() as u64,
@@ -194,7 +192,7 @@ async fn test_complicated() {
 
     write_nar(
         &mut buf,
-        &castorepb::node::Node::Directory(DirectoryNode {
+        &castorepb::node::Node::Directory(castorepb::DirectoryNode {
             name: "doesntmatter".into(),
             digest: DIRECTORY_COMPLICATED.digest().into(),
             size: DIRECTORY_COMPLICATED.size(),
@@ -211,7 +209,7 @@ async fn test_complicated() {
     let bs = blob_service.clone();
     let ds = directory_service.clone();
     let (nar_size, nar_digest) = calculate_size_and_sha256(
-        &castorepb::node::Node::Directory(DirectoryNode {
+        &castorepb::node::Node::Directory(castorepb::DirectoryNode {
             name: "doesntmatter".into(),
             digest: DIRECTORY_COMPLICATED.digest().into(),
             size: DIRECTORY_COMPLICATED.size(),