diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38910cb5..22e71864 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,8 +2,6 @@ cmake_minimum_required(VERSION 3.4...3.20 FATAL_ERROR)
 
 project(GLFW VERSION 3.4.0 LANGUAGES C)
 
-set(CMAKE_LEGACY_CYGWIN_WIN32 OFF)
-
 if (POLICY CMP0069)
     cmake_policy(SET CMP0069 NEW)
 endif()