diff --git a/Tests/LinuxMain.swift b/Tests/LinuxMain.swift
deleted file mode 100644
index cb4b250d..00000000
--- a/Tests/LinuxMain.swift
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- This source file is part of the Swift.org open source project
-
- Copyright (c) 2021 Apple Inc. and the Swift project authors
- Licensed under Apache License v2.0 with Runtime Library Exception
-
- See https://swift.org/LICENSE.txt for license information
- See https://swift.org/CONTRIBUTORS.txt for Swift project authors
-*/
-
-import XCTest
-
-import MarkupTests
-
-var tests = [XCTestCaseEntry]()
-tests += MarkupTests.__allTests()
-
-XCTMain(tests)
diff --git a/Tests/MarkdownTests/XCTestManifests.swift b/Tests/MarkdownTests/XCTestManifests.swift
deleted file mode 100644
index cfe30e72..00000000
--- a/Tests/MarkdownTests/XCTestManifests.swift
+++ /dev/null
@@ -1,318 +0,0 @@
-/*
- This source file is part of the Swift.org open source project
-
- Copyright (c) 2021 Apple Inc. and the Swift project authors
- Licensed under Apache License v2.0 with Runtime Library Exception
-
- See https://swift.org/LICENSE.txt for license information
- See https://swift.org/CONTRIBUTORS.txt for Swift project authors
-*/
-
-#if !canImport(ObjectiveC)
-import XCTest
-
-extension AtomicCounterTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__AtomicCounterTests = [
-        ("testIncremental", testIncremental),
-        ("testSimultaneousFetch", testSimultaneousFetch),
-    ]
-}
-
-extension BasicBlockContainerTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__BasicBlockContainerTests = [
-        ("testFromSequence", testFromSequence),
-        ("testReplacing", testReplacing),
-        ("testReplacingChildrenInRange", testReplacingChildrenInRange),
-    ]
-}
-
-extension BasicInlineContainerTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__BasicInlineContainerTests = [
-        ("testFromSequence", testFromSequence),
-        ("testReplacing", testReplacing),
-        ("testReplacingChildrenInRange", testReplacingChildrenInRange),
-    ]
-}
-
-extension CodeBlockTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__CodeBlockTests = [
-        ("testCodeBlockCode", testCodeBlockCode),
-        ("testCodeBlockLanguage", testCodeBlockLanguage),
-    ]
-}
-
-extension DocumentTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__DocumentTests = [
-        ("testDocumentFromSequence", testDocumentFromSequence),
-    ]
-}
-
-extension EditPerformanceTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__EditPerformanceTests = [
-        ("testChangeTextInDeepTree", testChangeTextInDeepTree),
-        ("testChangeTextInWideParagraph", testChangeTextInWideParagraph),
-    ]
-}
-
-extension HTMLTestsTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__HTMLTestsTests = [
-        ("testHTMLBlockRawHTML", testHTMLBlockRawHTML),
-    ]
-}
-
-extension HeadingTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__HeadingTests = [
-        ("testLevel", testLevel),
-    ]
-}
-
-extension HierarchyTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__HierarchyTests = [
-        ("testRoot", testRoot),
-        ("testRootSelf", testRootSelf),
-        ("testTreeAfterLeafChange", testTreeAfterLeafChange),
-        ("testTreeAfterMiddleChange", testTreeAfterMiddleChange),
-    ]
-}
-
-extension IdentifierStabilityTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__IdentifierStabilityTests = [
-        ("testStableChildrenIdentifiers", testStableChildrenIdentifiers),
-        ("testStableIdentifierOfCopy", testStableIdentifierOfCopy),
-    ]
-}
-
-extension ImageTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__ImageTests = [
-        ("testLinkDestination", testLinkDestination),
-        ("testLinkFromSequence", testLinkFromSequence),
-    ]
-}
-
-extension InlineCodeTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__InlineCodeTests = [
-        ("testInlineCodeString", testInlineCodeString),
-    ]
-}
-
-extension InlineHTMLTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__InlineHTMLTests = [
-        ("testInlineHTMLRawHTML", testInlineHTMLRawHTML),
-    ]
-}
-
-extension LineBreakTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__LineBreakTests = [
-        ("testLineBreak", testLineBreak),
-        ("testParseLineBreak", testParseLineBreak),
-    ]
-}
-
-extension LinkTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__LinkTests = [
-        ("testLinkDestination", testLinkDestination),
-        ("testLinkFromSequence", testLinkFromSequence),
-    ]
-}
-
-extension ListItemContainerTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__ListItemContainerTests = [
-        ("testOrderedListFromSequence", testOrderedListFromSequence),
-        ("testOrderedListReplacingItem", testOrderedListReplacingItem),
-        ("testOrderedListReplacingItemsInRange", testOrderedListReplacingItemsInRange),
-        ("testOrderedListWithItems", testOrderedListWithItems),
-        ("testUnorderedListFromSequence", testUnorderedListFromSequence),
-    ]
-}
-
-extension MarkupChildrenPerformanceTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__MarkupChildrenPerformanceTests = [
-        ("testIterateChildrenForward", testIterateChildrenForward),
-        ("testIterateChildrenReversed", testIterateChildrenReversed),
-    ]
-}
-
-extension MarkupRewriterTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__MarkupRewriterTests = [
-        ("testNullRewriter", testNullRewriter),
-        ("testSpecificKindRewrittenEverywhere", testSpecificKindRewrittenEverywhere),
-    ]
-}
-
-extension MarkupTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__MarkupTests = [
-        ("testChildCount", testChildCount),
-        ("testChildren", testChildren),
-        ("testIndexInParent", testIndexInParent),
-        ("testParent", testParent),
-        ("testRangeParsed", testRangeParsed),
-        ("testRangeUnparsed", testRangeUnparsed),
-        ("testRoot", testRoot),
-    ]
-}
-
-extension MarkupTreeDumperTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__MarkupTreeDumperTests = [
-        ("testDumpEverything", testDumpEverything),
-        ("testDumpUniqueIdentifiers", testDumpUniqueIdentifiers),
-    ]
-}
-
-extension MarkupWalkerTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__MarkupWalkerTests = [
-        ("testDefaultVisit", testDefaultVisit),
-        ("testVisitsEveryElement", testVisitsEveryElement),
-    ]
-}
-
-extension ParagraphTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__ParagraphTests = [
-        ("testParagraphDeleting", testParagraphDeleting),
-        ("testParagraphInserting", testParagraphInserting),
-        ("testParagraphReplacing", testParagraphReplacing),
-        ("testParagraphReplacingChildrenInRange", testParagraphReplacingChildrenInRange),
-    ]
-}
-
-extension RawMarkupToMarkupTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests_RawMarkupToMarkupTests = [
-        ("testBlockQuote", testBlockQuote),
-        ("testCodeBlock", testCodeBlock),
-        ("testCustomBlock", testCustomBlock),
-        ("testCustomInline", testCustomInline),
-        ("testEmphasis", testEmphasis),
-        ("testHeading", testHeading),
-        ("testHTMLBlock", testHTMLBlock),
-        ("testImage", testImage),
-        ("testInlineCode", testInlineCode),
-        ("testInlineHTML", testInlineHTML),
-        ("testLineBreak", testLineBreak),
-        ("testLink", testLink),
-        ("testListItem", testListItem),
-        ("testOrderedList", testOrderedList),
-        ("testParagraph", testParagraph),
-        ("testSoftBreak", testSoftBreak),
-        ("testStrong", testStrong),
-        ("testText", testText),
-        ("testThematicBreak", testThematicBreak),
-        ("testUnorderedList", testUnorderedList),
-    ]
-}
-
-extension SoftBreakTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__SoftBreakTests = [
-        ("testSoftBreak", testSoftBreak),
-    ]
-}
-
-extension TextTests {
-    // DO NOT MODIFY: This is autogenerated, use:
-    //   `swift test --generate-linuxmain`
-    // to regenerate.
-    static let __allTests__TextTests = [
-        ("testWithText", testWithText),
-    ]
-}
-
-public func __allTests() -> [XCTestCaseEntry] {
-    return [
-        testCase(AtomicCounterTests.__allTests__AtomicCounterTests),
-        testCase(BasicBlockContainerTests.__allTests__BasicBlockContainerTests),
-        testCase(BasicInlineContainerTests.__allTests__BasicInlineContainerTests),
-        testCase(CodeBlockTests.__allTests__CodeBlockTests),
-        testCase(DocumentTests.__allTests__DocumentTests),
-        testCase(EditPerformanceTests.__allTests__EditPerformanceTests),
-        testCase(HTMLTestsTests.__allTests__HTMLTestsTests),
-        testCase(HeadingTests.__allTests__HeadingTests),
-        testCase(HierarchyTests.__allTests__HierarchyTests),
-        testCase(IdentifierStabilityTests.__allTests__IdentifierStabilityTests),
-        testCase(ImageTests.__allTests__ImageTests),
-        testCase(InlineCodeTests.__allTests__InlineCodeTests),
-        testCase(InlineHTMLTests.__allTests__InlineHTMLTests),
-        testCase(LineBreakTests.__allTests__LineBreakTests),
-        testCase(LinkTests.__allTests__LinkTests),
-        testCase(ListItemContainerTests.__allTests__ListItemContainerTests),
-        testCase(MarkupChildrenPerformanceTests.__allTests__MarkupChildrenPerformanceTests),
-        testCase(MarkupRewriterTests.__allTests__MarkupRewriterTests),
-        testCase(MarkupTests.__allTests__MarkupTests),
-        testCase(MarkupTreeDumperTests.__allTests__MarkupTreeDumperTests),
-        testCase(MarkupWalkerTests.__allTests__MarkupWalkerTests),
-        testCase(ParagraphTests.__allTests__ParagraphTests),
-        testCase(RawMarkupToMarkupTests.__allTests_RawMarkupToMarkupTests),
-        testCase(SoftBreakTests.__allTests__SoftBreakTests),
-        testCase(TextTests.__allTests__TextTests),
-    ]
-}
-#endif