diff --git a/onnxruntime/core/framework/tensorprotoutils.h b/onnxruntime/core/framework/tensorprotoutils.h
index ed426d2849866..700e4f380a5db 100644
--- a/onnxruntime/core/framework/tensorprotoutils.h
+++ b/onnxruntime/core/framework/tensorprotoutils.h
@@ -309,9 +309,6 @@ inline const ONNX_NAMESPACE::TensorShapeProto& GetShape(const ONNX_NAMESPACE::Ty
 template <typename T>
 const std::vector<T> ParseData(const ONNX_NAMESPACE::TensorProto& ten_proto);
 
-template <typename T>
-const T ParseScalar(const ONNX_NAMESPACE::TensorProto& ten_proto);
-
 inline bool HasRawData(const ONNX_NAMESPACE::TensorProto& ten_proto) {
   // Can not be UNDEFINED and can not be STRING but test for STRING is usually performed separately
   // to return an error
diff --git a/onnxruntime/core/providers/cpu/ml/label_encoder.h b/onnxruntime/core/providers/cpu/ml/label_encoder.h
index e888581766d21..9d4e762a22903 100644
--- a/onnxruntime/core/providers/cpu/ml/label_encoder.h
+++ b/onnxruntime/core/providers/cpu/ml/label_encoder.h
@@ -152,14 +152,15 @@ class LabelEncoder_4 final : public OpKernel {
     }
   }
   Status Compute(OpKernelContext* context) const override {
-    const auto* tensor_pointer = context->Input<Tensor>(0);
-    if (tensor_pointer == nullptr) return Status(common::ONNXRUNTIME, common::FAIL, "input count mismatch");
-    const Tensor& X = *tensor_pointer;
-    const TensorShape& shape = X.Shape();
-    Tensor& Y = *context->Output(0, shape);
+    const auto* X = context->Input<Tensor>(0);
+    if (nullptr == X) {
+      return Status(common::ONNXRUNTIME, common::FAIL, "input count mismatch");
+    }
+    const TensorShape& shape = X->Shape();
+    auto* Y = context->Output(0, shape);
 
-    auto input = X.template DataAsSpan<TKey>();
-    auto output = Y.template MutableDataAsSpan<TValue>();
+    auto input = X->template DataAsSpan<TKey>();
+    auto output = Y->template MutableDataAsSpan<TValue>();
 
     for (int64_t i = 0; i < shape.Size(); ++i) {
       const auto found = _map.find(input[onnxruntime::narrow<size_t>(i)]);
diff --git a/onnxruntime/test/testdata/onnx_backend_test_series_filters.jsonc b/onnxruntime/test/testdata/onnx_backend_test_series_filters.jsonc
index c142106ed506c..093ff69af9665 100644
--- a/onnxruntime/test/testdata/onnx_backend_test_series_filters.jsonc
+++ b/onnxruntime/test/testdata/onnx_backend_test_series_filters.jsonc
@@ -235,10 +235,6 @@
         "^test_resize_upsample_sizes_nearest_not_larger_cuda",
         "^test_resize_upsample_sizes_nearest_round_prefer_ceil_asymmetric_cuda",
         // onnx 1.15 (opset 20) new and updated op tests
-        "^test_ai_onnx_ml_label_encoder_string_int",
-        "^test_ai_onnx_ml_label_encoder_string_int_no_default",
-        "^test_ai_onnx_ml_label_encoder_tensor_mapping",
-        "^test_ai_onnx_ml_label_encoder_tensor_value_only_mapping",
         "^test_gridsample_aligncorners_true",
         "^test_gridsample_bicubic_align_corners_0_additional_1",
         "^test_gridsample_bicubic_align_corners_1_additional_1",