diff --git a/Package.resolved b/Package.resolved
index 50adc1e..7636025 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -27,15 +27,6 @@
         "revision" : "77587003e0d7facd88fa40d0b99ff2e31778aa94"
       }
     },
-    {
-      "identity" : "reviewkit",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/FlineDev/ReviewKit.git",
-      "state" : {
-        "branch" : "main",
-        "revision" : "9b6009309a902fc1469630d3e304abb191237cfc"
-      }
-    },
     {
       "identity" : "swift-clocks",
       "kind" : "remoteSourceControl",
diff --git a/Package.swift b/Package.swift
index 62ad67b..e8c09e1 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,8 +1,9 @@
-// swift-tools-version: 5.9
+// swift-tools-version: 5.8
 import PackageDescription
 
 let package = Package(
    name: "Foundation",
+   platforms: [.iOS(.v16), .macOS(.v13), .tvOS(.v16), .watchOS(.v9)],
    products: [
       .library(name: "AppFoundation", targets: ["AppFoundation"]),
       .library(name: "TestFoundation", targets: ["TestFoundation"]),
@@ -14,7 +15,6 @@ let package = Package(
       // FlineDev
       .package(url: "https://github.com/FlineDev/HandySwift.git", branch: "main"),
       .package(url: "https://github.com/FlineDev/HandySwiftUI.git", branch: "main"),
-      .package(url: "https://github.com/FlineDev/ReviewKit.git", branch: "main"),
 
       // 3rd-Party
       .package(url: "https://github.com/pointfreeco/swift-custom-dump.git", from: "1.0.0"),
@@ -31,7 +31,6 @@ let package = Package(
             // FlineDev
             .product(name: "HandySwift", package: "HandySwift"),
             .product(name: "HandySwiftUI", package: "HandySwiftUI"),
-            .product(name: "ReviewKit", package: "ReviewKit"),
 
             // 3rd-Party
             .product(name: "Dependencies", package: "swift-dependencies"),
diff --git a/Sources/AppFoundation/AppFoundation.swift b/Sources/AppFoundation/AppFoundation.swift
index 0b78680..c22ad34 100644
--- a/Sources/AppFoundation/AppFoundation.swift
+++ b/Sources/AppFoundation/AppFoundation.swift
@@ -8,7 +8,6 @@
 // FlineDev
 @_exported import HandySwift
 @_exported import HandySwiftUI
-@_exported import ReviewKit
 
 // 3rd-Party
 @_exported import Dependencies