diff --git a/llvm/utils/KillTheDoctor/CMakeLists.txt b/llvm/utils/KillTheDoctor/CMakeLists.txt
--- a/llvm/utils/KillTheDoctor/CMakeLists.txt
+++ b/llvm/utils/KillTheDoctor/CMakeLists.txt
@@ -3,6 +3,7 @@
   )
 
 target_link_libraries(KillTheDoctor
+  PRIVATE
   LLVMSupport
   psapi
   )