diff --git a/Sources/TSCUtility/Platform.swift b/Sources/TSCUtility/Platform.swift
index 87ca2b15..73c966a2 100644
--- a/Sources/TSCUtility/Platform.swift
+++ b/Sources/TSCUtility/Platform.swift
@@ -12,6 +12,7 @@ import TSCBasic
 import Foundation
 
 /// Recognized Platform types.
+@available(*, deprecated, message: "moved to SourceKit-LSP")
 public enum Platform: Equatable {
     case android
     case darwin