diff --git a/.swiftformat b/.swiftformat
index 7d04363c2..c5d985349 100644
--- a/.swiftformat
+++ b/.swiftformat
@@ -1,7 +1,7 @@
 # file options
 
 --symlinks ignore
---exclude Tests/XCTestManifests.swift,projects/tuist/features
+--exclude Tests/XCTestManifests.swift,projects/tuist/features,Sources/TuistSupport/Vendored,projects/tuist/fixtures/app_with_docc/Targets/SlothCreator
 
 # format options
 
@@ -17,7 +17,7 @@
 --exponentgrouping disabled
 --extensionacl on-declarations
 --fractiongrouping disabled
---header ignore
+--header strip
 --hexgrouping 4,8
 --hexliteralcase uppercase
 --ifdef indent
diff --git a/Sources/TuistSupport/Utils/SHA256Digest.swift b/Sources/TuistSupport/Utils/SHA256Digest.swift
index fc1c2f623..2fc7bac32 100644
--- a/Sources/TuistSupport/Utils/SHA256Digest.swift
+++ b/Sources/TuistSupport/Utils/SHA256Digest.swift
@@ -1,10 +1,3 @@
-//
-//  SHA256Digest.swift
-//  TuistSupport
-//
-//  Created by Maksym Prokopchuk on 23.11.19.
-//
-
 import CommonCrypto
 import Foundation
 
diff --git a/Sources/TuistSupportTesting/Extensions/XCTestCase+Extras.swift b/Sources/TuistSupportTesting/Extensions/XCTestCase+Extras.swift
index 57ffaf502..ece771c3e 100644
--- a/Sources/TuistSupportTesting/Extensions/XCTestCase+Extras.swift
+++ b/Sources/TuistSupportTesting/Extensions/XCTestCase+Extras.swift
@@ -316,39 +316,37 @@ extension XCTestCase {
 
     @discardableResult public func XCTAssertContainsElementOfType<T>(
         _ collection: [Any],
-        _ element: T.Type,
+        _ type: T.Type,
         file: StaticString = #file,
         line: UInt = #line
     ) -> T? {
         guard let element = collection.first(where: { $0 is T }) else {
-            XCTFail("Didn't find an element of type \(String(describing: element))", file: file, line: line)
+            XCTFail("Didn't find an element of type \(String(describing: type))", file: file, line: line)
             return nil
         }
         return element as? T
     }
 
-    @discardableResult public func XCTAssertDoesntContainElementOfType<T>(
+    public func XCTAssertDoesntContainElementOfType<T>(
         _ collection: [Any],
-        _ element: T.Type,
+        _ type: T.Type,
         file: StaticString = #file,
         line: UInt = #line
-    ) -> T? {
+    ) {
         if let element = collection.first(where: { $0 is T }) {
-            XCTFail("Found an element of type \(String(describing: element))", file: file, line: line)
-            return nil
+            XCTFail("Found an element of type \(String(describing: type)): \(element)", file: file, line: line)
         }
-        return element as? T
     }
 
     @discardableResult public func XCTAssertContainsElementOfType<T, U>(
         _ collection: [Any],
-        _ element: T.Type,
+        _ type: T.Type,
         after: U.Type,
         file: StaticString = #file,
         line: UInt = #line
     ) -> T? {
         guard let elementIndex = collection.lastIndex(where: { $0 is T }) else {
-            XCTFail("Didn't found an element of type \(String(describing: element))", file: file, line: line)
+            XCTFail("Didn't found an element of type \(String(describing: type))", file: file, line: line)
             return nil
         }
         guard let previousElementIndex = collection.firstIndex(where: { $0 is U }) else {
@@ -357,7 +355,7 @@ extension XCTestCase {
         }
         XCTAssertTrue(
             elementIndex > previousElementIndex,
-            "Expected element of type \(String(describing: element)) to be after an element of type \(String(describing: after)) but it's not",
+            "Expected element of type \(String(describing: type)) to be after an element of type \(String(describing: after)) but it's not",
             file: file,
             line: line
         )
@@ -366,13 +364,13 @@ extension XCTestCase {
 
     @discardableResult public func XCTAssertContainsElementOfType<T, U>(
         _ collection: [Any],
-        _ element: T.Type,
+        _ type: T.Type,
         before: U.Type,
         file: StaticString = #file,
         line: UInt = #line
     ) -> T? {
         guard let elementIndex = collection.firstIndex(where: { $0 is T }) else {
-            XCTFail("Didn't found an element of type \(String(describing: element))", file: file, line: line)
+            XCTFail("Didn't found an element of type \(String(describing: type))", file: file, line: line)
             return nil
         }
         guard let afterElementIndex = collection.lastIndex(where: { $0 is U }) else {
@@ -381,7 +379,7 @@ extension XCTestCase {
         }
         XCTAssertTrue(
             elementIndex < afterElementIndex,
-            "Expected element of type \(String(describing: element)) to be before an element of type \(String(describing: before)) but it's not",
+            "Expected element of type \(String(describing: type)) to be before an element of type \(String(describing: before)) but it's not",
             file: file,
             line: line
         )
diff --git a/Sources/TuistSupportTesting/Utils/TestingLogHandler.swift b/Sources/TuistSupportTesting/Utils/TestingLogHandler.swift
index 586dfc0e3..7673324d7 100644
--- a/Sources/TuistSupportTesting/Utils/TestingLogHandler.swift
+++ b/Sources/TuistSupportTesting/Utils/TestingLogHandler.swift
@@ -1,10 +1,3 @@
-//
-//  TestLoggingHandler.swift
-//  TuistSupportTesting
-//
-//  Created by Atkinson, Oliver (Developer) on 20/02/2020.
-//
-
 import Foundation
 import TuistSupport
 
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-01.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-01.swift
index a7517e7c2..5bc20603f 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-01.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-01.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-02.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-02.swift
index 9a122d588..59bf1a052 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-02.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-02.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-03.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-03.swift
index 3223523ea..eb46ac09b 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-03.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-03.swift
@@ -1,10 +1,3 @@
-/*
- See LICENSE folder for this sample’s licensing information.
-
- Abstract:
- A view to customize a sloth.
- */
-
 import SlothCreator
 import SwiftUI
 
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-04.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-04.swift
index f4a1712b1..70ecbac44 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-04.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-04.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-05.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-05.swift
index b96fd7806..5dbfc8f5a 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-05.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-05.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-06.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-06.swift
index 4500426ce..821a0cfb0 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-06.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-06.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-07.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-07.swift
index dddb25de4..c9272ea5c 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-07.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-07.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-08.swift b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-08.swift
index 279465b5b..d04d2c86c 100644
--- a/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-08.swift
+++ b/projects/tuist/fixtures/app_with_docc/Targets/SlothCreator/Sources/SlothCreator.docc/Resources/code-files/01-creating-code-02-08.swift
@@ -1,6 +1,5 @@
 /*
  See LICENSE folder for this sample’s licensing information.
-
  Abstract:
  A view to customize a sloth.
  */
diff --git a/projects/tuist/fixtures/ios_app_with_extensions/MessageExtension/Sources/MessagesViewController.swift b/projects/tuist/fixtures/ios_app_with_extensions/MessageExtension/Sources/MessagesViewController.swift
index e7292cfb6..82f7bdd32 100644
--- a/projects/tuist/fixtures/ios_app_with_extensions/MessageExtension/Sources/MessagesViewController.swift
+++ b/projects/tuist/fixtures/ios_app_with_extensions/MessageExtension/Sources/MessagesViewController.swift
@@ -1,10 +1,3 @@
-//
-//  MessagesViewController.swift
-//  MyMessageExtension
-//
-//  Created by Kassem Wridan on 30/06/2020.
-//
-
 import Messages
 import UIKit
 
diff --git a/projects/tuist/fixtures/ios_app_with_sdk/Playgrounds/App.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_sdk/Playgrounds/App.playground/Contents.swift
index b5591b61b..fecc4ab44 100644
--- a/projects/tuist/fixtures/ios_app_with_sdk/Playgrounds/App.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_sdk/Playgrounds/App.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_setup/Playgrounds/App.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_setup/Playgrounds/App.playground/Contents.swift
index b5591b61b..fecc4ab44 100644
--- a/projects/tuist/fixtures/ios_app_with_setup/Playgrounds/App.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_setup/Playgrounds/App.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/A/Playgrounds/A.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/A/Playgrounds/A.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/A/Playgrounds/A.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/A/Playgrounds/A.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/B/Playgrounds/B.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/B/Playgrounds/B.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/B/Playgrounds/B.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks/Modules/B/Playgrounds/B.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/A/Playgrounds/A.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/A/Playgrounds/A.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/A/Playgrounds/A.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/A/Playgrounds/A.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/B/Playgrounds/B.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/B/Playgrounds/B.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/B/Playgrounds/B.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Modules/B/Playgrounds/B.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_frameworks_with_resources/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/A/Playgrounds/A.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/A/Playgrounds/A.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/A/Playgrounds/A.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/A/Playgrounds/A.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/B/Playgrounds/B.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/B/Playgrounds/B.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/B/Playgrounds/B.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_libraries/Modules/B/Playgrounds/B.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_static_libraries/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_static_libraries/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
index b5591b61b..fecc4ab44 100755
--- a/projects/tuist/fixtures/ios_app_with_static_libraries/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_static_libraries/Playgrounds/application_with_transistive_static_dependency.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/ios_app_with_tests/App/UITests/AppUITest.swift b/projects/tuist/fixtures/ios_app_with_tests/App/UITests/AppUITest.swift
index 635081295..e156a1764 100644
--- a/projects/tuist/fixtures/ios_app_with_tests/App/UITests/AppUITest.swift
+++ b/projects/tuist/fixtures/ios_app_with_tests/App/UITests/AppUITest.swift
@@ -1,5 +1,3 @@
-// Copyright © 2019 Sky. All rights reserved.
-
 import XCTest
 
 class AppUITest: XCTestCase {
diff --git a/projects/tuist/fixtures/ios_app_with_tests/Playgrounds/App.playground/Contents.swift b/projects/tuist/fixtures/ios_app_with_tests/Playgrounds/App.playground/Contents.swift
index b5591b61b..fecc4ab44 100644
--- a/projects/tuist/fixtures/ios_app_with_tests/Playgrounds/App.playground/Contents.swift
+++ b/projects/tuist/fixtures/ios_app_with_tests/Playgrounds/App.playground/Contents.swift
@@ -1,3 +1 @@
-//: Playground - noun: a place where people can play
-
 import Foundation
diff --git a/projects/tuist/fixtures/tvos_app_with_uitest/App/UITests/AppUITest.swift b/projects/tuist/fixtures/tvos_app_with_uitest/App/UITests/AppUITest.swift
index 635081295..e156a1764 100644
--- a/projects/tuist/fixtures/tvos_app_with_uitest/App/UITests/AppUITest.swift
+++ b/projects/tuist/fixtures/tvos_app_with_uitest/App/UITests/AppUITest.swift
@@ -1,5 +1,3 @@
-// Copyright © 2019 Sky. All rights reserved.
-
 import XCTest
 
 class AppUITest: XCTestCase {