diff --git a/mlir/include/mlir/ExecutionEngine/SparseTensor/PermutationRef.h b/mlir/include/mlir/ExecutionEngine/SparseTensor/PermutationRef.h
--- a/mlir/include/mlir/ExecutionEngine/SparseTensor/PermutationRef.h
+++ b/mlir/include/mlir/ExecutionEngine/SparseTensor/PermutationRef.h
@@ -127,7 +127,6 @@
     assert(size == permSize && "size mismatch");
     for (uint64_t i = 0; i < permSize; ++i)
       out[i] = values[perm[i]];
-    return out;
   }
 
 private: