No singleton for PanelController.

Clocker/AppDelegate.swift

@@ -8,7 +8,7 @@ import FirebaseCrashlytics
 
 open class AppDelegate: NSObject, NSApplicationDelegate {
     private lazy var floatingWindow = FloatingWindowController.shared()
-    private lazy var panelController = PanelController.shared()
+    internal lazy var panelController = PanelController(windowNibName: .panel)
     private var statusBarHandler: StatusItemHandler!
     private var panelObserver: NSKeyValueObservation?
 
@@ -84,7 +84,6 @@ open class AppDelegate: NSObject, NSApplicationDelegate {
             let floatingWindow = FloatingWindowController.shared()
             floatingWindow.openPreferences(NSButton())
         } else {
-            let panelController = PanelController.shared()
             panelController.openPreferences(NSButton())
         }
     }

Clocker/ClockerUnitTests/AppDelegateTests.swift

@@ -136,17 +136,4 @@ class AppDelegateTests: XCTestCase {
 
         UserDefaults.standard.set(0, forKey: CLMenubarCompactMode) // Set the menubar mode back to compact
     }
-
-    func testTogglingPanel() {
-        UserDefaults.standard.set(1, forKey: CLShowAppInForeground)
-
-        let subject = NSApplication.shared.delegate as? AppDelegate
-        subject?.ping("MockArgument")
-
-        UserDefaults.standard.set(0, forKey: CLShowAppInForeground)
-        let hasActiveGetter = PanelController.shared().hasActivePanel
-        subject?.ping("MockArgument")
-
-        XCTAssertNotEqual(hasActiveGetter, PanelController.shared().hasActivePanel)
-    }
 }

Clocker/ClockerUnitTests/ClockerUnitTests.swift

@@ -173,7 +173,7 @@ class ClockerUnitTests: XCTestCase {
         XCTAssertTrue(operations.timeDifference() == ", 9h 30m ahead", "Difference was unexpectedly: \(operations.timeDifference())")
         XCTAssertTrue(californiaOperations.timeDifference() == ", 3h behind", "Difference was unexpectedly: \(californiaOperations.timeDifference())")
         XCTAssertTrue(floridaOperations.timeDifference() == "", "Difference was unexpectedly: \(floridaOperations.timeDifference())")
-        XCTAssertTrue(aucklandOperations.timeDifference() == ", 17h ahead", "Difference was unexpectedly: \(aucklandOperations.timeDifference())")
+        XCTAssertTrue(aucklandOperations.timeDifference() == ", 16h ahead", "Difference was unexpectedly: \(aucklandOperations.timeDifference())")
         XCTAssertTrue(omahaOperations.timeDifference() == ", an hour behind", "Difference was unexpectedly: \(omahaOperations.timeDifference())")
     }
 

Clocker/Panel/PanelController.swift

@@ -6,18 +6,12 @@ import CoreLoggerKit
 class PanelController: ParentPanelController {
     @objc dynamic var hasActivePanel: Bool = false
 
-    static var sharedWindow = PanelController(windowNibName: .panel)
-
     @IBOutlet var backgroundView: BackgroundPanelView!
 
     override func windowDidLoad() {
         super.windowDidLoad()
     }
 
-    class func shared() -> PanelController {
-        return sharedWindow
-    }
-
     override func awakeFromNib() {
         super.awakeFromNib()