diff --git a/macos/Sources/App/macOS/AppDelegate.swift b/macos/Sources/App/macOS/AppDelegate.swift
index b9aab0ac4..028d4506c 100644
--- a/macos/Sources/App/macOS/AppDelegate.swift
+++ b/macos/Sources/App/macOS/AppDelegate.swift
@@ -928,7 +928,7 @@ class AppDelegate: NSObject,
         } else {
             GlobalEventTap.shared.disable()
         }
-        
+
         updateAppIcon(from: config)
     }
 
diff --git a/macos/Sources/Features/Custom App Icon/AppIcon.swift b/macos/Sources/Features/Custom App Icon/AppIcon.swift
index 296bd10fe..13c6b83a1 100644
--- a/macos/Sources/Features/Custom App Icon/AppIcon.swift	
+++ b/macos/Sources/Features/Custom App Icon/AppIcon.swift	
@@ -56,7 +56,7 @@ enum AppIcon: Equatable, Codable {
         }
     }
 #endif
-    
+
     func image(in bundle: Bundle) -> NSImage? {
         switch self {
         case .official:
diff --git a/macos/Sources/Features/Custom App Icon/DockTilePlugin.swift b/macos/Sources/Features/Custom App Icon/DockTilePlugin.swift
index ad750376d..a3e094f96 100644
--- a/macos/Sources/Features/Custom App Icon/DockTilePlugin.swift	
+++ b/macos/Sources/Features/Custom App Icon/DockTilePlugin.swift	
@@ -4,9 +4,9 @@ class DockTilePlugin: NSObject, NSDockTilePlugIn {
     // WARNING: An instance of this class is alive as long as Ghostty's icon is
     // in the doc (running or not!), so keep any state and processing to a
     // minimum to respect resource usage.
-    
+
     private let pluginBundle = Bundle(for: DockTilePlugin.self)
-    
+
     // Separate defaults based on debug vs release builds so we can test icons
     // without messing up releases.
     #if DEBUG
@@ -84,7 +84,7 @@ class DockTilePlugin: NSObject, NSDockTilePlugIn {
             appIcon = pluginBundle.image(forResource: "AppIconImage")!
             NSWorkspace.shared.setIcon(appIcon, forFile: appBundlePath)
         }
-        
+
         NSWorkspace.shared.noteFileSystemChanged(appBundlePath)
         dockTile.setIcon(appIcon)
     }
diff --git a/macos/Sources/Features/Custom App Icon/Extensions/UserDefaults+AppIcon.swift b/macos/Sources/Features/Custom App Icon/Extensions/UserDefaults+AppIcon.swift
index 9478cc5c3..d15644c93 100644
--- a/macos/Sources/Features/Custom App Icon/Extensions/UserDefaults+AppIcon.swift	
+++ b/macos/Sources/Features/Custom App Icon/Extensions/UserDefaults+AppIcon.swift	
@@ -3,26 +3,26 @@ import AppKit
 extension UserDefaults {
     private static let customIconKeyOld = "CustomGhosttyIcon"
     private static let customIconKeyNew = "CustomGhosttyIcon2"
-    
+
     var appIcon: AppIcon? {
         get {
             // Always remove our old pre-docktileplugin values.
             defer {
                 removeObject(forKey: Self.customIconKeyOld)
             }
-            
+
             // Check if we have the new key for our dock tile plugin format.
             guard let data = data(forKey: Self.customIconKeyNew) else {
                 return nil
             }
             return try? JSONDecoder().decode(AppIcon.self, from: data)
         }
-        
+
         set {
             guard let newData = try? JSONEncoder().encode(newValue) else {
                 return
             }
-            
+
             set(newData, forKey: Self.customIconKeyNew)
         }
     }
diff --git a/macos/Tests/CustomIconTests.swift b/macos/Tests/CustomIconTests.swift
deleted file mode 100644
index df6310bbf..000000000
--- a/macos/Tests/CustomIconTests.swift
+++ /dev/null
@@ -1,20 +0,0 @@
-@testable import Ghostty
-import Testing
-
-struct CustomIconTests {
-    @Test func migration() {
-        #expect(Ghostty.CustomAppIcon.blueprint == Ghostty.CustomAppIcon(string: "blueprint"))
-
-        #expect(nil == Ghostty.CustomAppIcon(string: "~/downloads/some/file.png"))
-
-        #expect(nil == Ghostty.CustomAppIcon(string: "#B0260C"))
-
-        #expect(nil == Ghostty.CustomAppIcon(string: "plastic"))
-
-        #expect(Ghostty.CustomAppIcon.customStyle(ghostColorHex: "#B0260C", screenColorHexes: [], iconFrame: .plastic) == Ghostty.CustomAppIcon(string: "#B0260C_plastic"))
-
-        #expect(Ghostty.CustomAppIcon.customStyle(ghostColorHex: "#B0260C", screenColorHexes: ["#4F2C27"], iconFrame: .plastic) == Ghostty.CustomAppIcon(string: "#B0260C_#4F2C27_plastic"))
-
-        #expect(Ghostty.CustomAppIcon.customStyle(ghostColorHex: "#B0260C", screenColorHexes: ["#4F2C27", "#B0260C"], iconFrame: .plastic) == Ghostty.CustomAppIcon(string: "#B0260C_#4F2C27_#B0260C_plastic"))
-    }
-}