diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
index b564c4179e..fde32ac488 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
@@ -146,7 +146,7 @@ ThrowCompletionOr<Value> get_option(VM& vm, Object const& options, PropertyKey c
     if (!values.is_empty()) {
         // NOTE: Every location in the spec that invokes GetOption with type=boolean also has values=undefined.
         VERIFY(value.is_string());
-        if (auto value_string = TRY(value.as_string().deprecated_string()); !values.contains_slow(value_string))
+        if (auto value_string = TRY(value.as_string().utf8_string()); !values.contains_slow(value_string))
             return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, value_string, property.as_string());
     }
 
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/CalendarPrototype.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/CalendarPrototype.cpp
index f61080c684..73df08b8bb 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/CalendarPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/CalendarPrototype.cpp
@@ -559,7 +559,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::fields)
             return TRY(iterator_close(vm, iterator_record, move(completion)));
         }
 
-        auto next_value_string = TRY(next_value.as_string().deprecated_string());
+        auto next_value_string = TRY(next_value.as_string().utf8_string());
 
         // iii. If fieldNames contains nextValue, then
         if (field_names.contains_slow(next_value)) {
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
index f9e48005d6..fba6badfff 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
@@ -801,7 +801,7 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::with)
 
     // 18. Assert: Type(offsetString) is String.
     VERIFY(offset_string_value.is_string());
-    auto offset_string = TRY(offset_string_value.as_string().deprecated_string());
+    auto offset_string = TRY(offset_string_value.as_string().utf8_string());
 
     // 19. Let dateTimeResult be ? InterpretTemporalDateTimeFields(calendar, fields, options).
     auto date_time_result = TRY(interpret_temporal_date_time_fields(vm, calendar, *fields, *options));