diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp
index 66d979cf2a7..0d15870f012 100644
--- a/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -41,7 +41,7 @@ UseGVNAfterVectorization("use-gvn-after-vectorization",
   cl::desc("Run GVN instead of Early CSE after vectorization passes"));
 
 static cl::opt<bool> UseNewSROA("use-new-sroa",
-  cl::init(true), cl::Hidden,
+  cl::init(false), cl::Hidden,
   cl::desc("Enable the new, experimental SROA pass"));
 
 PassManagerBuilder::PassManagerBuilder() {