diff --git a/onnxruntime/core/providers/openvino/backend_manager.cc b/onnxruntime/core/providers/openvino/backend_manager.cc
index b9d79bfe4545..7e4c0dc8d726 100644
--- a/onnxruntime/core/providers/openvino/backend_manager.cc
+++ b/onnxruntime/core/providers/openvino/backend_manager.cc
@@ -105,7 +105,7 @@ BackendManager::BackendManager(const onnxruntime::Node& fused_node,
 bool BackendManager::ModelHasBatchedInputs(const ONNX_NAMESPACE::ModelProto& model_proto) const {
   bool has_batched_inputs = true;
 
-  for (int i = 0; i < static_cast<int>(subgraph_context_.input_indexes).size(); i++) {
+  for (int i = 0; i < static_cast<int>(subgraph_context_.input_indexes.size()); i++) {
     auto& input = model_proto.graph().input(subgraph_context_.input_indexes[i]);
 
     // Batch-process only raw image inputs (NCHW or NHWC layouts)
diff --git a/onnxruntime/core/providers/openvino/backend_utils.h b/onnxruntime/core/providers/openvino/backend_utils.h
index 5d57204281ed..82b0351e87da 100644
--- a/onnxruntime/core/providers/openvino/backend_utils.h
+++ b/onnxruntime/core/providers/openvino/backend_utils.h
@@ -27,7 +27,7 @@
 namespace onnxruntime {
 namespace openvino_ep {
 namespace backend_utils {
-const char log_tag[] = "[OpenVINO-EP] ";
+const std::string log_tag = "[OpenVINO-EP] ";
 
 #ifndef NDEBUG
 bool IsDebugEnabled();
diff --git a/onnxruntime/core/providers/openvino/backends/basic_backend.cc b/onnxruntime/core/providers/openvino/backends/basic_backend.cc
index 1a1474dbb331..09e1322ff59f 100644
--- a/onnxruntime/core/providers/openvino/backends/basic_backend.cc
+++ b/onnxruntime/core/providers/openvino/backends/basic_backend.cc
@@ -217,7 +217,7 @@ void BasicBackend::StartAsyncInference(Ort::KernelContext& context, OVInferReque
         // avoid input copies on the CPU device
         if (global_context_.device_type.find("CPU") != std::string::npos) {
           tensor_ptr = std::make_shared<ov::Tensor>(input->get_element_type(), input_tensor_shape,
-                                                    reinterpret_cast<void*>(tensor_data));
+                                                    (void*)tensor_data);
         } else {
           tensor_ptr = std::make_shared<ov::Tensor>(input->get_element_type(), input_tensor_shape);
           FillInputBlob(tensor_ptr, batch_slice_idx, input_name, context, subgraph_context_);
diff --git a/onnxruntime/core/providers/openvino/contexts.h b/onnxruntime/core/providers/openvino/contexts.h
index 34657c46abe5..29233e72c33b 100644
--- a/onnxruntime/core/providers/openvino/contexts.h
+++ b/onnxruntime/core/providers/openvino/contexts.h
@@ -6,47 +6,46 @@
 #include <vector>
 #include <unordered_map>
 #include <string>
-s
 #include "ov_interface.h"
 
-    namespace onnxruntime {
-  namespace openvino_ep {
+namespace onnxruntime {
+namespace openvino_ep {
 
-  // Holds context applicable to the entire EP instance.
-  struct GlobalContext {
-    OVCore ie_core;
-    bool is_wholly_supported_graph = false;
-    bool enable_npu_fast_compile = false;
-    bool enable_opencl_throttling = false;
-    bool enable_dynamic_shapes = false;
-    size_t num_of_threads;
-    std::string device_type;
-    std::string precision_str;
-    std::string device_id;
-    std::string cache_dir;
-    int num_streams;
-    std::vector<bool> deviceAvailableList = {true, true, true, true, true, true, true, true};
-    std::vector<std::string> deviceTags = {"0", "1", "2", "3", "4", "5", "6", "7"};
-    std::string onnx_model_name;
-    std::string onnx_model_path_name;
-    int onnx_opset_version;
-    void* context = 0;
-    bool use_api_2;
-  };
+// Holds context applicable to the entire EP instance.
+struct GlobalContext {
+  OVCore ie_core;
+  bool is_wholly_supported_graph = false;
+  bool enable_npu_fast_compile = false;
+  bool enable_opencl_throttling = false;
+  bool enable_dynamic_shapes = false;
+  size_t num_of_threads;
+  std::string device_type;
+  std::string precision_str;
+  std::string device_id;
+  std::string cache_dir;
+  int num_streams;
+  std::vector<bool> deviceAvailableList = {true, true, true, true, true, true, true, true};
+  std::vector<std::string> deviceTags = {"0", "1", "2", "3", "4", "5", "6", "7"};
+  std::string onnx_model_name;
+  std::string onnx_model_path_name;
+  int onnx_opset_version;
+  void* context = 0;
+  bool use_api_2;
+};
 
-  // Holds context specific to subgraph.
-  struct SubGraphContext {
-    bool has_dynamic_input_shape = false;
-    bool enable_batching = false;
-    bool set_npu_config = false;
-    bool is_constant = false;
-    void* context = 0;
-    std::string subgraph_name;
-    std::vector<int> input_indexes;
-    std::unordered_map<std::string, int> input_names;
-    std::unordered_map<std::string, int> output_names;
-    std::string precision;
-  };
+// Holds context specific to subgraph.
+struct SubGraphContext {
+  bool has_dynamic_input_shape = false;
+  bool enable_batching = false;
+  bool set_npu_config = false;
+  bool is_constant = false;
+  void* context = 0;
+  std::string subgraph_name;
+  std::vector<int> input_indexes;
+  std::unordered_map<std::string, int> input_names;
+  std::unordered_map<std::string, int> output_names;
+  std::string precision;
+};
 
-  }  // namespace openvino_ep
+}  // namespace openvino_ep
 }  // namespace onnxruntime
diff --git a/onnxruntime/core/providers/openvino/openvino_provider_factory.cc b/onnxruntime/core/providers/openvino/openvino_provider_factory.cc
index 6e652380cb08..fbb89710c800 100644
--- a/onnxruntime/core/providers/openvino/openvino_provider_factory.cc
+++ b/onnxruntime/core/providers/openvino/openvino_provider_factory.cc
@@ -107,7 +107,7 @@ struct OpenVINO_Provider : Provider {
 
     if (provider_options_map.find("context") != provider_options_map.end()) {
       std::string str = provider_options_map.at("context");
-      unsigned int64_t number = std::strtoull(str.c_str(), nullptr, 16);
+      uint64_t number = std::strtoull(str.c_str(), nullptr, 16);
       context = reinterpret_cast<void*>(number);
     }
 
diff --git a/onnxruntime/core/providers/openvino/ov_interface.cc b/onnxruntime/core/providers/openvino/ov_interface.cc
index 920f0d7968e7..d2ce378c97e0 100644
--- a/onnxruntime/core/providers/openvino/ov_interface.cc
+++ b/onnxruntime/core/providers/openvino/ov_interface.cc
@@ -17,7 +17,7 @@ using WaitMode = InferenceEngine::IInferRequest::WaitMode;
 namespace onnxruntime {
 namespace openvino_ep {
 
-const char log_tag[] = "[OpenVINO-EP] ";
+const std::string log_tag = "[OpenVINO-EP] ";
 std::shared_ptr<OVNetwork> OVCore::ReadModel(const std::string& model) const {
   try {
     OVTensor weights;
diff --git a/onnxruntime/core/providers/openvino/ov_versions/data_ops.cc b/onnxruntime/core/providers/openvino/ov_versions/data_ops.cc
index 4bcb4d372857..a5a0faa3a8f2 100644
--- a/onnxruntime/core/providers/openvino/ov_versions/data_ops.cc
+++ b/onnxruntime/core/providers/openvino/ov_versions/data_ops.cc
@@ -1190,7 +1190,7 @@ bool DataOps::node_is_supported(const std::map<std::string, std::set<std::string
   if (opset->second.find(optype) == opset->second.end() && op_fun == ops_supported_as_function.end()) {
 #ifndef NDEBUG
     if (openvino_ep::backend_utils::IsDebugEnabled()) {
-      std::cout << "The operator is not available in OpenVINO ngraph operators list
+      std::cout << "The operator is not available in OpenVINO ngraph operators list"
                 << "nor the operator is a special ONNX function"
                 << std::endl;
     }