diff --git a/Source/Device.generated.swift b/Source/Device.generated.swift
index d1b796e..f01e84d 100644
--- a/Source/Device.generated.swift
+++ b/Source/Device.generated.swift
@@ -628,6 +628,8 @@ public enum Device {
       case "i386", "x86_64", "arm64": return simulator(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "watchOS"))
       default: return unknown(identifier)
       }
+    #else
+      return unknown(identifier)
     #endif
   }
 
@@ -879,6 +881,8 @@ public enum Device {
       }
     #elseif os(tvOS)
       return (width: -1, height: -1)
+    #else
+      return (width: -1, height: -1)
     #endif
   }
 
@@ -1158,6 +1162,8 @@ public enum Device {
       return allTVs
     #elseif os(watchOS)
       return allWatches
+    #else
+      return []
     #endif
   }
 
@@ -1219,8 +1225,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().name
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.name
+    #else
+    return nil
     #endif
   }
 
@@ -1235,8 +1243,10 @@ public enum Device {
     } else {
       return UIDevice.current.systemName
     }
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.systemName
+    #else
+    return nil
     #endif
   }
 
@@ -1245,8 +1255,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().systemVersion
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.systemVersion
+    #else
+    return nil
     #endif
   }
 
@@ -1255,8 +1267,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().model
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.model
+    #else
+    return nil
     #endif
   }
 
@@ -1265,8 +1279,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().localizedModel
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.localizedModel
+    #else
+    return nil
     #endif
   }
 
@@ -1385,6 +1401,8 @@ public enum Device {
     }
     #elseif os(tvOS)
     return nil
+    #else
+    return nil
     #endif
   }
 
@@ -1536,6 +1554,11 @@ extension Device: CustomStringConvertible {
       case .simulator(let model): return "Simulator (\(model.description))"
       case .unknown(let identifier): return identifier
       }
+    #else
+      switch self {
+      case .simulator(let model): return "Simulator (\(model.safeDescription))"
+      case .unknown(let identifier): return identifier
+      }
     #endif
   }
 
@@ -1664,6 +1687,11 @@ extension Device: CustomStringConvertible {
       case .simulator(let model): return "Simulator (\(model.safeDescription))"
       case .unknown(let identifier): return identifier
       }
+    #else
+      switch self {
+      case .simulator(let model): return "Simulator (\(model.safeDescription))"
+      case .unknown(let identifier): return identifier
+      }
     #endif
   }
 
@@ -2298,6 +2326,8 @@ extension Device {
       case .simulator(let model): return model.cpu
       case .unknown: return .unknown
     }
+  #else
+    return .unknown
   #endif
   }
 }
@@ -2347,6 +2377,8 @@ extension Device.CPU: CustomStringConvertible {
       case .s9: return "S9"
       case .unknown: return "unknown"
     }
+  #else
+    return "unknown"
   #endif
   }
 }
diff --git a/Source/Device.swift.gyb b/Source/Device.swift.gyb
index 67cbb89..f5c7f6b 100644
--- a/Source/Device.swift.gyb
+++ b/Source/Device.swift.gyb
@@ -421,6 +421,8 @@ public enum Device {
       case "i386", "x86_64", "arm64": return simulator(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "watchOS"))
       default: return unknown(identifier)
       }
+    #else
+      return unknown(identifier)
     #endif
   }
 
@@ -482,6 +484,8 @@ public enum Device {
       }
     #elseif os(tvOS)
       return (width: -1, height: -1)
+    #else
+      return (width: -1, height: -1)
     #endif
   }
 
@@ -761,6 +765,8 @@ public enum Device {
       return allTVs
     #elseif os(watchOS)
       return allWatches
+    #else
+      return []
     #endif
   }
 
@@ -822,8 +828,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().name
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.name
+    #else
+    return nil
     #endif
   }
 
@@ -838,8 +846,10 @@ public enum Device {
     } else {
       return UIDevice.current.systemName
     }
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.systemName
+    #else
+    return nil
     #endif
   }
 
@@ -848,8 +858,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().systemVersion
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.systemVersion
+    #else
+    return nil
     #endif
   }
 
@@ -858,8 +870,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().model
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.model
+    #else
+    return nil
     #endif
   }
 
@@ -868,8 +882,10 @@ public enum Device {
     guard isCurrent else { return nil }
     #if os(watchOS)
     return WKInterfaceDevice.current().localizedModel
-    #else
+    #elseif canImport(UIKit)
     return UIDevice.current.localizedModel
+    #else
+    return nil
     #endif
   }
 
@@ -893,6 +909,8 @@ public enum Device {
     }
     #elseif os(tvOS)
     return nil
+    #else
+    return nil
     #endif
   }
 
@@ -948,6 +966,11 @@ extension Device: CustomStringConvertible {
       case .simulator(let model): return "Simulator (\(model.description))"
       case .unknown(let identifier): return identifier
       }
+    #else
+      switch self {
+      case .simulator(let model): return "Simulator (\(model.safeDescription))"
+      case .unknown(let identifier): return identifier
+      }
     #endif
   }
 
@@ -980,6 +1003,11 @@ extension Device: CustomStringConvertible {
       case .simulator(let model): return "Simulator (\(model.safeDescription))"
       case .unknown(let identifier): return identifier
       }
+    #else
+      switch self {
+      case .simulator(let model): return "Simulator (\(model.safeDescription))"
+      case .unknown(let identifier): return identifier
+      }
     #endif
   }
 
@@ -1468,6 +1496,8 @@ extension Device {
       case .simulator(let model): return model.cpu
       case .unknown: return .unknown
     }
+  #else
+    return .unknown
   #endif
   }
 }
@@ -1490,6 +1520,8 @@ extension Device.CPU: CustomStringConvertible {
 % end
       case .unknown: return "unknown"
     }
+  #else
+    return "unknown"
   #endif
   }
 }
diff --git a/Tests/Tests.swift b/Tests/Tests.swift
index 5f53584..bf0bf16 100644
--- a/Tests/Tests.swift
+++ b/Tests/Tests.swift
@@ -17,20 +17,31 @@ class DeviceKitTests: XCTestCase {
   let device = Device.current
 
   func testDeviceSimulator() {
+    #if os(macOS)
+    XCTAssertFalse(device.isOneOf(Device.allSimulators))
+    #else
     XCTAssertTrue(device.isOneOf(Device.allSimulators))
+    #endif
   }
 
   func testIsSimulator() {
+    #if os(macOS)
+    XCTAssertFalse(device.isSimulator)
+    #else
     XCTAssertTrue(device.isSimulator)
+    #endif
   }
 
   func testDeviceDescription() {
+    #if os(macOS)
+    #else
     XCTAssertTrue(device.description.hasPrefix("Simulator"))
     XCTAssertTrue(device.description.contains("iPhone")
       || device.description.contains("iPad")
       || device.description.contains("iPod")
       || device.description.contains("TV")
       || device.description.contains("Apple Watch"))
+    #endif
   }
 
   func testIsCanvas() {
@@ -40,6 +51,8 @@ class DeviceKitTests: XCTestCase {
     let otherDevice: Device = device == .appleTVHD ? .appleTV4K : .appleTVHD
     #elseif os(watchOS)
     let otherDevice: Device = device == .appleWatchUltra ? .appleWatchSeries8_41mm : .appleWatchUltra
+    #else
+    let otherDevice: Device = .unknown("mac")
     #endif
     XCTAssertEqual(otherDevice.isCanvas, nil)
     XCTAssertEqual(device.isCanvas, false)