diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index 1ec16e8b901..3d7e2a4ef4e 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -671,7 +671,7 @@ endif()
 
 # Plugin support
 # FIXME: Make this configurable.
-if(WIN32 OR CYGWIN)
+if(CYGWIN)
   if(BUILD_SHARED_LIBS)
     set(LLVM_ENABLE_PLUGINS ON)
   else()