diff --git a/src/per_isolate/primordials.ts b/src/per_isolate/primordials.ts
index 2dce7cb6cb4..2b32bbf3249 100644
--- a/src/per_isolate/primordials.ts
+++ b/src/per_isolate/primordials.ts
@@ -386,8 +386,7 @@ const DataViewPrototypeGetByteLength = getProtoGetter<
 // lookups can't be confused via Object.prototype pollution. DataView is not
 // in this map (the getter returns undefined for it) — detect it separately
 // and use the DataView capture above.
-// Float16Array is enabled unconditionally via --js-float16array (jsg
-// setup.c++), so a plain capture is safe.
+// Float16Array is enabled unconditionally, so a plain capture is safe.
 const TypedArrayCtorByName = ObjectFreeze(
   ObjectSetPrototypeOf(
     {
diff --git a/src/rust/memory-cache/lib.rs b/src/rust/memory-cache/lib.rs
index b29b3ab8e30..80bfb2feac3 100644
--- a/src/rust/memory-cache/lib.rs
+++ b/src/rust/memory-cache/lib.rs
@@ -206,7 +206,7 @@ fn elapsed_ns(start: Instant) -> u64 {
 
 fn saturating_increment(counter: &AtomicUsize) -> usize {
     counter
-        .fetch_update(AtomicOrdering::Relaxed, AtomicOrdering::Relaxed, |value| {
+        .try_update(AtomicOrdering::Relaxed, AtomicOrdering::Relaxed, |value| {
             Some(value.saturating_add(1))
         })
         .unwrap_or(usize::MAX)
diff --git a/src/workerd/jsg/setup.c++ b/src/workerd/jsg/setup.c++
index 79d66169739..19d79954e14 100644
--- a/src/workerd/jsg/setup.c++
+++ b/src/workerd/jsg/setup.c++
@@ -159,11 +159,6 @@ void V8System::init(kj::Own<v8::Platform> platformParam,
   // more flags.)
   v8::V8::SetFlagsFromString("--noincremental-marking");
 
-  // These features are completed and enabled by default in Chrome, but not
-  // in V8. Follows Node.js: https://github.com/nodejs/node/pull/58154
-  v8::V8::SetFlagsFromString("--js-explicit-resource-management");
-  v8::V8::SetFlagsFromString("--js-float16array");
-
   // Enable source phase imports for WebAssembly modules
   v8::V8::SetFlagsFromString("--js-source-phase-imports");