5 files changed, 7 insertions, 19 deletions
diff --git a/ext/broadcast_channel/lib.rs b/ext/broadcast_channel/lib.rs
index 437580971..47c48656d 100644
--- a/ext/broadcast_channel/lib.rs
+++ b/ext/broadcast_channel/lib.rs
@@ -50,12 +50,9 @@ pub fn op_broadcast_subscribe<BC>(
 where
   BC: BroadcastChannel + 'static,
 {
-  // TODO(bartlomieju): replace with `state.feature_checker.check_or_exit`
-  // once we phase out `check_or_exit_with_legacy_fallback`
-  state.feature_checker.check_or_exit_with_legacy_fallback(
-    UNSTABLE_FEATURE_NAME,
-    "BroadcastChannel",
-  );
+  state
+    .feature_checker
+    .check_or_exit(UNSTABLE_FEATURE_NAME, "BroadcastChannel");
   let bc = state.borrow::<BC>();
   let resource = bc.subscribe()?;
   Ok(state.resource_table.add(resource))
diff --git a/ext/cron/lib.rs b/ext/cron/lib.rs
index 95e38179d..e350e4d69 100644
--- a/ext/cron/lib.rs
+++ b/ext/cron/lib.rs
@@ -62,11 +62,9 @@ where
 {
   let cron_handler = {
     let state = state.borrow();
-    // TODO(bartlomieju): replace with `state.feature_checker.check_or_exit`
-    // once we phase out `check_or_exit_with_legacy_fallback`
     state
       .feature_checker
-      .check_or_exit_with_legacy_fallback(UNSTABLE_FEATURE_NAME, "Deno.cron");
+      .check_or_exit(UNSTABLE_FEATURE_NAME, "Deno.cron");
     state.borrow::<Rc<C>>().clone()
   };
 
diff --git a/ext/kv/lib.rs b/ext/kv/lib.rs
index c7a995073..45095724d 100644
--- a/ext/kv/lib.rs
+++ b/ext/kv/lib.rs
@@ -129,11 +129,9 @@ where
 {
   let handler = {
     let state = state.borrow();
-    // TODO(bartlomieju): replace with `state.feature_checker.check_or_exit`
-    // once we phase out `check_or_exit_with_legacy_fallback`
     state
       .feature_checker
-      .check_or_exit_with_legacy_fallback(UNSTABLE_FEATURE_NAME, "Deno.openKv");
+      .check_or_exit(UNSTABLE_FEATURE_NAME, "Deno.openKv");
     state.borrow::<Rc<DBH>>().clone()
   };
   let db = handler.open(state.clone(), path).await?;
diff --git a/ext/net/lib.rs b/ext/net/lib.rs
index 0ef3e85c4..b039965d4 100644
--- a/ext/net/lib.rs
+++ b/ext/net/lib.rs
@@ -88,11 +88,9 @@ impl NetPermissions for deno_permissions::PermissionsContainer {
 
 /// Helper for checking unstable features. Used for sync ops.
 fn check_unstable(state: &OpState, api_name: &str) {
-  // TODO(bartlomieju): replace with `state.feature_checker.check_or_exit`
-  // once we phase out `check_or_exit_with_legacy_fallback`
   state
     .feature_checker
-    .check_or_exit_with_legacy_fallback(UNSTABLE_FEATURE_NAME, api_name);
+    .check_or_exit(UNSTABLE_FEATURE_NAME, api_name);
 }
 
 pub fn get_declaration() -> PathBuf {
diff --git a/ext/net/ops.rs b/ext/net/ops.rs
index 67d32fe03..f2735eda9 100644
--- a/ext/net/ops.rs
+++ b/ext/net/ops.rs
@@ -1063,12 +1063,9 @@ mod tests {
       }
     );
 
-    let mut feature_checker = deno_core::FeatureChecker::default();
-    feature_checker.enable_legacy_unstable();
-
     let mut runtime = JsRuntime::new(RuntimeOptions {
       extensions: vec![test_ext::init_ops()],
-      feature_checker: Some(Arc::new(feature_checker)),
+      feature_checker: Some(Arc::new(Default::default())),
       ..Default::default()
     });