diff --git a/src/triplets/x64-windows-antares.cmake b/src/triplets/x64-windows-antares.cmake
index 42ed6dfa87..f2480f7012 100644
--- a/src/triplets/x64-windows-antares.cmake
+++ b/src/triplets/x64-windows-antares.cmake
@@ -1,6 +1,4 @@
 set(VCPKG_TARGET_ARCHITECTURE x64)
-set(VCPKG_CMAKE_SYSTEM_NAME Windows)
-
 set(VCPKG_CRT_LINKAGE dynamic)
 set(VCPKG_LIBRARY_LINKAGE dynamic)
 
diff --git a/src/triplets/x64-windows-release.cmake b/src/triplets/x64-windows-release.cmake
index 6eca73432a..7e4eb27f4d 100644
--- a/src/triplets/x64-windows-release.cmake
+++ b/src/triplets/x64-windows-release.cmake
@@ -1,5 +1,4 @@
 set(VCPKG_TARGET_ARCHITECTURE x64)
-set(VCPKG_CMAKE_SYSTEM_NAME Windows)
 
 set(VCPKG_CRT_LINKAGE dynamic)
 set(VCPKG_LIBRARY_LINKAGE dynamic)