diff --git a/Package.swift b/Package.swift
index 6e22e8e11f75b1e92b19dece4325e6f3b9edbb16..9136971583d840fd35a2993ec5be731e8ac774c4 100644
--- a/Package.swift
+++ b/Package.swift
@@ -2,13 +2,9 @@
 import PackageDescription
 
 let swiftSettings: [SwiftSetting] = [
-  .unsafeFlags(
-    [
-      "-Xfrontend", "-debug-time-function-bodies",
-      "-Xfrontend", "-debug-time-expression-type-checking",
-    ],
-    .when(configuration: .debug)
-  ),
+  //.unsafeFlags(["-Xfrontend", "-warn-concurrency"], .when(configuration: .debug)),
+  //.unsafeFlags(["-Xfrontend", "-debug-time-function-bodies"], .when(configuration: .debug)),
+  //.unsafeFlags(["-Xfrontend", "-debug-time-expression-type-checking"], .when(configuration: .debug)),
 ]
 
 let package = Package(