diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index 02dac92aa130..899289fdfcda 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -112,7 +112,6 @@ namespace {
       AU.addPreserved<LoopInfo>();
       AU.addRequiredID(LCSSAID);
       AU.addPreservedID(LCSSAID);
-      // FIXME: Loop Unswitch does not preserve dominator info in all cases.
       AU.addPreserved<DominatorTree>();
       AU.addPreserved<DominanceFrontier>();
     }