diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index a01f2c7c97984..47f063b5501cc 100644
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -962,7 +962,7 @@ llvm::Value *CodeGenFunction::EmitBlockLiteral(const CGBlockInfo &blockInfo) {
       }
 
     // If it's a reference variable, copy the reference into the block field.
-    } else if (auto refType = type->getAs<ReferenceType>()) {
+    } else if (type->getAs<ReferenceType>()) {
       Builder.CreateStore(src.emitRawPointer(*this), blockField);
 
       // If type is const-qualified, copy the value into the block field.