diff --git a/iOS/MasterFeed/Cell/MasterFeedTableViewCell.swift b/iOS/MasterFeed/Cell/MasterFeedTableViewCell.swift
index c2e84c7c0..13eeac341 100644
--- a/iOS/MasterFeed/Cell/MasterFeedTableViewCell.swift
+++ b/iOS/MasterFeed/Cell/MasterFeedTableViewCell.swift
@@ -15,7 +15,7 @@ protocol MasterFeedTableViewCellDelegate: AnyObject {
 	func masterFeedTableViewCellDisclosureDidToggle(_ sender: MasterFeedTableViewCell, expanding: Bool)
 }
 
-class MasterFeedTableViewCell : VibrantTableViewCell {
+@MainActor final class MasterFeedTableViewCell : VibrantTableViewCell {
 
 	weak var delegate: MasterFeedTableViewCellDelegate?
 
diff --git a/iOS/MasterFeed/Cell/MasterFeedTableViewCellLayout.swift b/iOS/MasterFeed/Cell/MasterFeedTableViewCellLayout.swift
index d4c7338bb..1f1e266fb 100644
--- a/iOS/MasterFeed/Cell/MasterFeedTableViewCellLayout.swift
+++ b/iOS/MasterFeed/Cell/MasterFeedTableViewCellLayout.swift
@@ -9,7 +9,7 @@
 import UIKit
 import RSCore
 
-struct MasterFeedTableViewCellLayout {
+@MainActor struct MasterFeedTableViewCellLayout {
 
 	private static let indentWidth = CGFloat(integerLiteral: 15)
 	private static let editingControlIndent = CGFloat(integerLiteral: 40)
diff --git a/iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeaderLayout.swift b/iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeaderLayout.swift
index 73dce3f69..eeacff01f 100644
--- a/iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeaderLayout.swift
+++ b/iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeaderLayout.swift
@@ -9,7 +9,7 @@
 import UIKit
 import RSCore
 
-struct MasterFeedTableViewSectionHeaderLayout {
+@MainActor struct MasterFeedTableViewSectionHeaderLayout {
 
 	private static let labelMarginRight = CGFloat(integerLiteral: 8)
 	private static let disclosureButtonSize = CGSize(width: 44, height: 44)
diff --git a/iOS/MasterFeed/Cell/MasterFeedUnreadCountView.swift b/iOS/MasterFeed/Cell/MasterFeedUnreadCountView.swift
index 17db54492..ce2b7d912 100644
--- a/iOS/MasterFeed/Cell/MasterFeedUnreadCountView.swift
+++ b/iOS/MasterFeed/Cell/MasterFeedUnreadCountView.swift
@@ -8,7 +8,7 @@
 
 import UIKit
 
-class MasterFeedUnreadCountView : UIView {
+@MainActor class MasterFeedUnreadCountView : UIView {
 	
 	var padding: UIEdgeInsets {
 		return UIEdgeInsets(top: 1.0, left: 9.0, bottom: 1.0, right: 9.0)
diff --git a/iOS/MasterFeed/RefreshProgressView.swift b/iOS/MasterFeed/RefreshProgressView.swift
index 5ecd13e1e..0e72d7738 100644
--- a/iOS/MasterFeed/RefreshProgressView.swift
+++ b/iOS/MasterFeed/RefreshProgressView.swift
@@ -10,7 +10,7 @@
 import SwiftUI
 import Account
 
-struct RefreshProgressView: View {
+@MainActor struct RefreshProgressView: View {
 	
 	static let width: CGFloat = 100
 	static let height: CGFloat = 5
diff --git a/iOS/MasterTimeline/MasterTimelineUnreadCountView.swift b/iOS/MasterTimeline/MasterTimelineUnreadCountView.swift
index 66a7a4b26..a89b37fd7 100644
--- a/iOS/MasterTimeline/MasterTimelineUnreadCountView.swift
+++ b/iOS/MasterTimeline/MasterTimelineUnreadCountView.swift
@@ -8,7 +8,7 @@
 
 import UIKit
 
-class MasterTimelineUnreadCountView: MasterFeedUnreadCountView {
+@MainActor final class MasterTimelineUnreadCountView: MasterFeedUnreadCountView {
 
 	override var padding: UIEdgeInsets {
 		return UIEdgeInsets(top: 2.0, left: 9.0, bottom: 2.0, right: 9.0)