Use built in scheduledTimer

Aware.xcodeproj/project.pbxproj

@@ -7,7 +7,6 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		0337E7871C14E37B003A8150 /* Timer+Block.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0337E7861C14E37B003A8150 /* Timer+Block.swift */; };
 		036EBD191C1408C200121D0B /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 036EBD181C1408C200121D0B /* AppDelegate.swift */; };
 		036EBD1B1C1408C200121D0B /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 036EBD1A1C1408C200121D0B /* Assets.xcassets */; };
 		036EBD1E1C1408C200121D0B /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 036EBD1C1C1408C200121D0B /* MainMenu.xib */; };
@@ -26,7 +25,6 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
-		0337E7861C14E37B003A8150 /* Timer+Block.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Timer+Block.swift"; sourceTree = "<group>"; };
 		036EBD151C1408C200121D0B /* Aware.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Aware.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		036EBD181C1408C200121D0B /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		036EBD1A1C1408C200121D0B /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -78,7 +76,6 @@
 			children = (
 				036EBD181C1408C200121D0B /* AppDelegate.swift */,
 				03F9E2301C24CCA8001DBE86 /* NSTimeIntervalFormatter.swift */,
-				0337E7861C14E37B003A8150 /* Timer+Block.swift */,
 				036EBD1A1C1408C200121D0B /* Assets.xcassets */,
 				036EBD1C1C1408C200121D0B /* MainMenu.xib */,
 				038D0B381C4DDD5600040C44 /* Aware.entitlements */,
@@ -207,7 +204,6 @@
 			files = (
 				03F9E2311C24CCA8001DBE86 /* NSTimeIntervalFormatter.swift in Sources */,
 				036EBD191C1408C200121D0B /* AppDelegate.swift in Sources */,
-				0337E7871C14E37B003A8150 /* Timer+Block.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Aware/AppDelegate.swift

@@ -45,7 +45,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         statusItem.menu = menu
 
         updateButton()
-        _ = Timer.scheduledTimer(buttonRefreshRate, userInfo: nil, repeats: true) { _ in self.updateButton() }
+        _ = Timer.scheduledTimer(withTimeInterval: buttonRefreshRate, repeats: true) { _ in self.updateButton() }
 
         let notificationCenter = NSWorkspace.shared.notificationCenter
         notificationCenter.addObserver(forName: NSWorkspace.willSleepNotification, object: nil, queue: nil) { _ in self.resetTimer() }