diff --git a/passKit/Extensions/String+Utilities.swift b/passKit/Extensions/String+Utilities.swift
index 229d694..9f5a522 100644
--- a/passKit/Extensions/String+Utilities.swift
+++ b/passKit/Extensions/String+Utilities.swift
@@ -19,7 +19,7 @@ public extension String {
     }
 
     func splitByNewline() -> [String] {
-        split(omittingEmptySubsequences: false) { $0 == "\n" || $0 == "\r\n" }.map(String.init)
+        split(omittingEmptySubsequences: false) { $0 == "\n" || $0 == "\r\n" }.map(Self.init)
     }
 }
 
diff --git a/passKit/Extensions/UIAlertActionExtension.swift b/passKit/Extensions/UIAlertActionExtension.swift
index c04aa7a..b663b35 100644
--- a/passKit/Extensions/UIAlertActionExtension.swift
+++ b/passKit/Extensions/UIAlertActionExtension.swift
@@ -41,7 +41,7 @@ public extension UIAlertAction {
                 let action = UIAlertAction(title: keyID, style: .default, handler: handler)
                 selectKeyAlert.addAction(action)
             }
-            selectKeyAlert.addAction(UIAlertAction.cancelAndPopView(controller: controller))
+            selectKeyAlert.addAction(Self.cancelAndPopView(controller: controller))
             controller.present(selectKeyAlert, animated: true, completion: nil)
         }
     }
diff --git a/passKit/Helpers/FileManagerExtension.swift b/passKit/Helpers/FileManagerExtension.swift
index 320658b..d6ac2e1 100644
--- a/passKit/Helpers/FileManagerExtension.swift
+++ b/passKit/Helpers/FileManagerExtension.swift
@@ -40,7 +40,7 @@ public extension FileManager {
         let enumerator = self.enumerator(
             at: directoryURL,
             includingPropertiesForKeys: prefetchedProperties,
-            options: FileManager.DirectoryEnumerationOptions(),
+            options: Self.DirectoryEnumerationOptions(),
             errorHandler: errorHandler
         )
         precondition(enumerator != nil)