diff --git a/AppKitExtras/Sources/AppKitExtras/NSAppearance+RSCore.swift b/AppKitExtras/Sources/AppKitExtras/NSAppearance+RSCore.swift
index 3ad3d1f6e..2738d0344 100644
--- a/AppKitExtras/Sources/AppKitExtras/NSAppearance+RSCore.swift
+++ b/AppKitExtras/Sources/AppKitExtras/NSAppearance+RSCore.swift
@@ -12,12 +12,7 @@ import AppKit
 extension NSAppearance {
 	
 	public var isDarkMode: Bool {
-		if #available(macOS 10.14, *) {
-			return self.bestMatch(from: [.darkAqua, .aqua]) == .darkAqua
-		}
-		else {
-			return false
-		}
+		bestMatch(from: [.darkAqua, .aqua]) == .darkAqua
 	}
 }
 #endif