diff --git a/include/torch-mlir/Dialect/Torch/Utils/TorchUpstream.h b/include/torch-mlir/Dialect/Torch/Utils/TorchUpstream.h
index d6bc0a699172..1a87cdabd458 100644
--- a/include/torch-mlir/Dialect/Torch/Utils/TorchUpstream.h
+++ b/include/torch-mlir/Dialect/Torch/Utils/TorchUpstream.h
@@ -160,6 +160,7 @@ enum Layout { Strided, Sparse, SparseCsr, Mkldnn, NumOptions };
 //===-----------------------------------------------------------------------===//
 enum EmbeddingBagMode { MODE_SUM, MODE_MEAN, MODE_MAX };
 
+ScalarType promoteTypes(ScalarType a, ScalarType b);
 } // namespace torch_upstream
 } // namespace torch
 } // namespace mlir
diff --git a/lib/Dialect/Torch/Utils/TorchUpstream.cpp b/lib/Dialect/Torch/Utils/TorchUpstream.cpp
index 37ffffabd8fd..6cd6f1e1143d 100644
--- a/lib/Dialect/Torch/Utils/TorchUpstream.cpp
+++ b/lib/Dialect/Torch/Utils/TorchUpstream.cpp
@@ -26,7 +26,7 @@ static inline bool isQIntType(ScalarType t) {
 // Type promotion related code are copied from
 // aten/src/ATen/native/TypeProperties.*.
 //===----------------------------------------------------------------------===//
-static inline ScalarType promoteTypes(ScalarType a, ScalarType b) {
+ScalarType promoteTypes(ScalarType a, ScalarType b) {
   // This is generated according to NumPy's promote_types
   constexpr auto u1 = ScalarType::Byte;
   constexpr auto i1 = ScalarType::Char;