diff --git a/swift/.gitignore b/swift/.gitignore
index 95c43209..6ea2fdde 100644
--- a/swift/.gitignore
+++ b/swift/.gitignore
@@ -3,3 +3,5 @@
 /Packages
 /*.xcodeproj
 xcuserdata/
+DerivedData/
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
\ No newline at end of file
diff --git a/swift/Package.swift b/swift/Package.swift
index 8730f481..79c4c79f 100644
--- a/swift/Package.swift
+++ b/swift/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.3
+// swift-tools-version:5.5
 
 import PackageDescription
 
diff --git a/swift/Tests/GildedRoseTests/GildedRoseTests.swift b/swift/Tests/GildedRoseTests/GildedRoseTests.swift
index 289352f2..40b28196 100644
--- a/swift/Tests/GildedRoseTests/GildedRoseTests.swift
+++ b/swift/Tests/GildedRoseTests/GildedRoseTests.swift
@@ -9,8 +9,4 @@ class GildedRoseTests: XCTestCase {
         app.updateQuality()
         XCTAssertEqual(app.items[0].name, "fixme")
     }
-
-    static var allTests = [
-        ("testFoo", testFoo),
-    ]
 }
diff --git a/swift/Tests/GildedRoseTests/XCTestManifests.swift b/swift/Tests/GildedRoseTests/XCTestManifests.swift
deleted file mode 100644
index 0409af2c..00000000
--- a/swift/Tests/GildedRoseTests/XCTestManifests.swift
+++ /dev/null
@@ -1,9 +0,0 @@
-import XCTest
-
-#if !canImport(ObjectiveC)
-public func allTests() -> [XCTestCaseEntry] {
-    return [
-        testCase(GildedRoseTests.allTests),
-    ]
-}
-#endif
diff --git a/swift/Tests/LinuxMain.swift b/swift/Tests/LinuxMain.swift
deleted file mode 100644
index 6d69d936..00000000
--- a/swift/Tests/LinuxMain.swift
+++ /dev/null
@@ -1,7 +0,0 @@
-import XCTest
-
-import GildedRoseTests
-
-var tests = [XCTestCaseEntry]()
-tests += GildedRoseTests.allTests()
-XCTMain(tests)