diff --git a/Modules/Sources/WordPressData/Swift/SearchableActivityConvertable.swift b/Modules/Sources/WordPressData/Swift/SearchableActivityConvertable.swift
index 7f7132f7bc02..65d9ff9fc79e 100644
--- a/Modules/Sources/WordPressData/Swift/SearchableActivityConvertable.swift
+++ b/Modules/Sources/WordPressData/Swift/SearchableActivityConvertable.swift
@@ -1,7 +1,5 @@
 import UIKit
 import CoreSpotlight
-import Intents
-import MobileCoreServices
 import UniformTypeIdentifiers
 
 /// Custom NSUSerActivity types for the WPiOS. Primarily used for navigation points.
@@ -17,29 +15,6 @@ public enum WPActivityType: String {
     case notifications = "org.wordpress.notifications"
 }
 
-extension WPActivityType {
-    var suggestedInvocationPhrase: String {
-        switch self {
-        case .siteList:
-            return NSLocalizedString("My Sites in WordPress", comment: "Siri Suggestion to open My Sites")
-        case .siteDetails:
-            return NSLocalizedString("WordPress Site Details", comment: "Siri Suggestion to open My Sites")
-        case .reader:
-            return NSLocalizedString("WordPress Reader", comment: "Siri Suggestion to open My Sites")
-        case .me:
-            return NSLocalizedString("WordPress Profile", comment: "Siri Suggestion to open Me tab")
-        case .appSettings:
-            return NSLocalizedString("WordPress App Settings", comment: "Siri Suggestion to open App Settings")
-        case .notificationSettings:
-            return NSLocalizedString("WordPress Notification Settings", comment: "Siri Suggestion to open Notification Settings")
-        case .support:
-            return NSLocalizedString("WordPress Help", comment: "Siri Suggestion to open Support")
-        case .notifications:
-            return NSLocalizedString("WordPress Notifications", comment: "Siri Suggestion to open Notifications")
-        }
-    }
-}
-
 /// NSUserActivity userInfo keys
 ///
 public enum WPActivityUserInfoKeys: String {
@@ -49,30 +24,30 @@ public enum WPActivityUserInfoKeys: String {
 @objc public protocol SearchableActivityConvertable {
     /// Type name used to uniquly indentify this activity.
     ///
-    @objc var activityType: String {get}
+    @objc var activityType: String { get }
 
     /// Activity title to be displayed in spotlight search.
     ///
-    @objc var activityTitle: String {get}
+    @objc var activityTitle: String { get }
 
     // MARK: Optional Vars
 
     /// A set of localized keywords that can help users find the activity in search results.
     ///
-    @objc optional var activityKeywords: Set<String>? {get}
+    @objc optional var activityKeywords: Set<String>? { get }
 
     /// The date after which the activity is no longer eligible for indexing. If not set,
     /// the expiration date will default to one week from the current date.
     ///
-    @objc optional var activityExpirationDate: Date? {get}
+    @objc optional var activityExpirationDate: Date? { get }
 
     /// A dictionary containing state information related to this indexed activity.
     ///
-    @objc optional var activityUserInfo: [String: String]? {get}
+    @objc optional var activityUserInfo: [String: String]? { get }
 
     /// Activity description
     ///
-    @objc optional var activityDescription: String? {get}
+    @objc optional var activityDescription: String? { get }
 }
 
 public extension SearchableActivityConvertable where Self: UIViewController {
@@ -105,11 +80,6 @@ public extension SearchableActivityConvertable where Self: UIViewController {
 
         activity.isEligibleForSearch = true
         activity.isEligibleForHandoff = false
-        activity.isEligibleForPrediction = true
-
-        if let wpActivityType = WPActivityType(rawValue: activityType) {
-            activity.suggestedInvocationPhrase = wpActivityType.suggestedInvocationPhrase
-        }
 
         // Set the UIViewController's userActivity property, which is defined in UIResponder. Doing this allows
         // UIKit to automagically manage this user activity (e.g. making it current when needed)
diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index 123cf2afc20d..f262e032b1a1 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -6,6 +6,7 @@
 * [*] Add App Shortcuts for creating a post and opening Notifications, Stats, and the Reader from Siri, Spotlight, and the Shortcuts app [#25754]
 * [*] Posts and Reader posts can now be found and opened from Siri and the Shortcuts app [#25755]
 * [*] Publish or schedule a post from Siri and the Shortcuts app, with a confirmation before anything goes live [#25756]
+* [*] [internal] Stop donating screen activities as Siri predictions now that App Shortcuts cover them [#25757]
 
 
 27.0
diff --git a/WordPress/Classes/System/WordPressAppDelegate.swift b/WordPress/Classes/System/WordPressAppDelegate.swift
index 3d39fde86e11..f29a2535ce24 100644
--- a/WordPress/Classes/System/WordPressAppDelegate.swift
+++ b/WordPress/Classes/System/WordPressAppDelegate.swift
@@ -109,6 +109,7 @@ public class WordPressAppDelegate: UIResponder, UIApplicationDelegate {
 
         MemoryCache.shared.register()
         MediaImageService.migrateCacheIfNeeded()
+        purgeLegacySiriDonationsIfNeeded()
         PostCoordinator.shared.delegate = self
 
         // Start CrashLogging as soon as possible (in case a crash happens during startup)
@@ -414,6 +415,19 @@ public class WordPressAppDelegate: UIResponder, UIApplicationDelegate {
         AccountService(coreDataStack: ContextManager.shared).mergeDuplicatesIfNecessary()
     }
 
+    /// Deletes the user activities donated as Siri predictions by earlier app versions,
+    /// because the app no longer donates predictions and the system keeps the old
+    /// suggestions until they are explicitly deleted.
+    // TODO: Remove this cleanup after a few releases.
+    private func purgeLegacySiriDonationsIfNeeded() {
+        let didPurgeKey = "did-purge-legacy-siri-donations"
+        guard !UserDefaults.standard.bool(forKey: didPurgeKey) else {
+            return
+        }
+        UserDefaults.standard.set(true, forKey: didPurgeKey)
+        NSUserActivity.deleteAllSavedUserActivities {}
+    }
+
     private func setupPingHub() {
         pingHubManager = PingHubManager()
     }