diff --git a/src/browser/Runner.zig b/src/browser/Runner.zig
index bf11efb82..03ebe3069 100644
--- a/src/browser/Runner.zig
+++ b/src/browser/Runner.zig
@@ -121,7 +121,7 @@ fn _wait(self: *Runner, comptime is_cdp: bool, timeout_ms: u32, conditions: []Wa
     // alive for seconds while running heavy JS accumulates wrappers and
     // external-ref'd Zig allocations V8 has no reason to drop. `.moderate`
     // speeds up incremental GC without stalling the tick.
-    const gc_hint_period_ns: u64 = std.time.ns_per_s;
+    const gc_hint_period_ns: u64 = std.time.ns_per_s * 5;
     var gc_hint_timer = std.time.Timer.start() catch unreachable;
 
     while (true) {
diff --git a/src/browser/js/Env.zig b/src/browser/js/Env.zig
index e0dbc5cde..238fba541 100644
--- a/src/browser/js/Env.zig
+++ b/src/browser/js/Env.zig
@@ -501,19 +501,6 @@ pub fn runIdleTasks(self: *const Env) void {
     v8.v8__Platform__RunIdleTasks(self.platform.handle, self.isolate.handle, 1);
 }
 
-// V8 doesn't immediately free memory associated with
-// a Context, it's managed by the garbage collector. We use the
-// `lowMemoryNotification` call on the isolate to encourage v8 to free
-// any contexts which have been freed.
-// This GC is very aggressive. Use memoryPressureNotification for less
-// aggressive GC passes.
-pub fn lowMemoryNotification(self: *Env) void {
-    var handle_scope: js.HandleScope = undefined;
-    handle_scope.init(self.isolate);
-    defer handle_scope.deinit();
-    self.isolate.lowMemoryNotification();
-}
-
 // V8 doesn't immediately free memory associated with
 // a Context, it's managed by the garbage collector. We use the
 // `memoryPressureNotification` call on the isolate to encourage v8 to free
@@ -521,7 +508,6 @@ pub fn lowMemoryNotification(self: *Env) void {
 // The level indicates the aggressivity of the GC required:
 // moderate speeds up incremental GC
 // critical runs one full GC
-// For a more aggressive GC, use lowMemoryNotification.
 pub fn memoryPressureNotification(self: *Env, level: Isolate.MemoryPressureLevel) void {
     var handle_scope: js.HandleScope = undefined;
     handle_scope.init(self.isolate);
diff --git a/src/browser/js/Isolate.zig b/src/browser/js/Isolate.zig
index fcb8eeadb..61cf3cb43 100644
--- a/src/browser/js/Isolate.zig
+++ b/src/browser/js/Isolate.zig
@@ -41,10 +41,6 @@ pub fn exit(self: Isolate) void {
     v8.v8__Isolate__Exit(self.handle);
 }
 
-pub fn lowMemoryNotification(self: Isolate) void {
-    v8.v8__Isolate__LowMemoryNotification(self.handle);
-}
-
 pub const MemoryPressureLevel = enum(u32) {
     none = v8.kNone,
     moderate = v8.kModerate,