diff --git a/Tests/SendablePropertyMacrosTests/SendablePropertyMacrosTests.swift b/Tests/SendablePropertyMacrosTests/SendablePropertyMacrosTests.swift
index b4bc171c..7e629e74 100644
--- a/Tests/SendablePropertyMacrosTests/SendablePropertyMacrosTests.swift
+++ b/Tests/SendablePropertyMacrosTests/SendablePropertyMacrosTests.swift
@@ -25,8 +25,7 @@ import XCTest
 #if canImport(SendablePropertyMacros)
 import SendablePropertyMacros
 
-// testMacros is thread-safe.
-nonisolated(unsafe) let testMacros: [String: Macro.Type] = [
+let testMacros: [String: Macro.Type] = [
     "SendableProperty": SendablePropertyMacro.self
 ]
 #endif