diff --git a/Cargo.lock b/Cargo.lock
index 36aa5f92bcbb7..5145347dea429 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9869,20 +9869,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4d330786735ea358f3bc09eea4caa098569c1c93f342d9aca0514915022fe7e"
 
-[[package]]
-name = "vc-test"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "serde",
- "serde_json",
- "tokio",
- "turbo-tasks",
- "turbo-tasks-build",
- "turbo-tasks-malloc",
- "turbo-tasks-memory",
-]
-
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
diff --git a/Cargo.toml b/Cargo.toml
index 44dfdfa2af2a3..06bc0f3697c05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,6 @@ members = [
   "crates/turbo-tasks*",
   "crates/turbopack*",
   "crates/turborepo*",
-  "crates/turbo-tasks-vc-test",
   "xtask",
 ]
 
@@ -28,7 +27,6 @@ default-members = [
   "crates/turbo-tasks-signposter-sys",
   "crates/turbo-tasks-testing",
   "crates/turbo-tasks-tracing-signpost",
-  "crates/turbo-tasks-vc-test",
   "crates/turbopack",
   "crates/turbopack-bench",
   "crates/turbopack-cli-utils",
diff --git a/crates/turbopack-cli/src/dev/web_entry_source.rs b/crates/turbopack-cli/src/dev/web_entry_source.rs
index 1a5e16ddbba48..bc3bc4ce79957 100644
--- a/crates/turbopack-cli/src/dev/web_entry_source.rs
+++ b/crates/turbopack-cli/src/dev/web_entry_source.rs
@@ -124,14 +124,11 @@ async fn get_client_module_options_context(
                 Vc::cell(Box::new(
                     EmotionTransformer::new(&EmotionTransformConfig::default())
                         .expect("Should be able to create emotion transformer"),
-                )
-                    as Box<dyn CustomTransformer + Send + Sync>),
+                ) as _),
                 Vc::cell(Box::new(StyledComponentsTransformer::new(
                     &StyledComponentsTransformConfig::default(),
-                ))
-                    as Box<dyn CustomTransformer + Send + Sync>),
-                Vc::cell(Box::new(StyledJsxTransformer::new())
-                    as Box<dyn CustomTransformer + Send + Sync>),
+                )) as _),
+                Vc::cell(Box::new(StyledJsxTransformer::new()) as _),
             ],
             output_transforms: vec![],
         },
diff --git a/crates/turbopack-core/src/issue/mod.rs b/crates/turbopack-core/src/issue/mod.rs
index 4470bbc526cec..38dadbad099cd 100644
--- a/crates/turbopack-core/src/issue/mod.rs
+++ b/crates/turbopack-core/src/issue/mod.rs
@@ -615,37 +615,14 @@ where
     Self: Sized,
 {
     #[allow(unused_variables, reason = "behind feature flag")]
-    async fn attach_context<T: CollectiblesSource + Copy + Send>(
+    async fn attach_context(
+        self,
         context: impl Into<Option<Vc<FileSystemPath>>> + Send,
         description: impl Into<String> + Send,
-        source: T,
-    ) -> Result<T> {
-        #[cfg(feature = "issue_path")]
-        {
-            let children = source.take_collectibles().await?;
-            if !children.is_empty() {
-                emit(Vc::upcast::<Box<dyn IssueProcessingPath>>(
-                    ItemIssueProcessingPath::cell(ItemIssueProcessingPath(
-                        Some(IssueProcessingPathItem::cell(IssueProcessingPathItem {
-                            context: context.into(),
-                            description: Vc::cell(description.into()),
-                        })),
-                        children,
-                    )),
-                ));
-            }
-        }
-        Ok(source)
-    }
+    ) -> Result<Self>;
 
     #[allow(unused_variables, reason = "behind feature flag")]
-    async fn attach_description<T: CollectiblesSource + Copy + Send>(
-        source: T,
-
-        description: impl Into<String> + Send,
-    ) -> Result<T> {
-        Vc::<Self>::attach_context(None, description, source).await
-    }
+    async fn attach_description(self, description: impl Into<String> + Send) -> Result<Self>;
 
     async fn issue_context(
         self,
@@ -670,6 +647,35 @@ impl<T> IssueContextExt for T
 where
     T: CollectiblesSource + Copy + Send,
 {
+    #[allow(unused_variables, reason = "behind feature flag")]
+    async fn attach_context(
+        self,
+        context: impl Into<Option<Vc<FileSystemPath>>> + Send,
+        description: impl Into<String> + Send,
+    ) -> Result<Self> {
+        #[cfg(feature = "issue_path")]
+        {
+            let children = self.take_collectibles().await?;
+            if !children.is_empty() {
+                emit(Vc::upcast::<Box<dyn IssueProcessingPath>>(
+                    ItemIssueProcessingPath::cell(ItemIssueProcessingPath(
+                        Some(IssueProcessingPathItem::cell(IssueProcessingPathItem {
+                            context: context.into(),
+                            description: Vc::cell(description.into()),
+                        })),
+                        children,
+                    )),
+                ));
+            }
+        }
+        Ok(self)
+    }
+
+    #[allow(unused_variables, reason = "behind feature flag")]
+    async fn attach_description(self, description: impl Into<String> + Send) -> Result<T> {
+        self.attach_context(None, description).await
+    }
+
     async fn issue_context(
         self,
         context: impl Into<Option<Vc<FileSystemPath>>> + Send,
diff --git a/crates/turbopack-node/src/route_matcher.rs b/crates/turbopack-node/src/route_matcher.rs
index d93ca9bc54ed3..18ef21acd1358 100644
--- a/crates/turbopack-node/src/route_matcher.rs
+++ b/crates/turbopack-node/src/route_matcher.rs
@@ -11,9 +11,18 @@ pub enum Param {
 
 #[turbo_tasks::value(transparent)]
 #[derive(Debug, Clone)]
-pub struct Params(Option<IndexMap<String, Param>>);
+pub struct Params(pub Option<IndexMap<String, Param>>);
 
 /// Extracts parameters from a URL path.
+pub trait RouteMatcherRef {
+    /// Returns whether the given path is a match for the route.
+    fn matches(&self, path: &str) -> bool;
+
+    /// Returns the parameters extracted from the given path.
+    fn params(&self, path: &str) -> Params;
+}
+
+/// Extracts parameters from a URL path (Vc version)
 #[turbo_tasks::value_trait]
 pub trait RouteMatcher {
     /// Returns whether the given path is a match for the route.
diff --git a/crates/turbopack-tests/tests/snapshot.rs b/crates/turbopack-tests/tests/snapshot.rs
index e4ac787d6362d..d0d0edb4ea055 100644
--- a/crates/turbopack-tests/tests/snapshot.rs
+++ b/crates/turbopack-tests/tests/snapshot.rs
@@ -427,5 +427,5 @@ async fn maybe_load_env(
 
     let env = DotenvProcessEnv::new(None, dotenv_path);
     let asset = ProcessEnvAsset::new(dotenv_path, env.into());
-    Ok(Some(asset.into()))
+    Ok(Some(Vc::upcast(asset)))
 }