diff --git a/src/bindings/python/src/openvino/frontend/pytorch/ts_decoder.py b/src/bindings/python/src/openvino/frontend/pytorch/ts_decoder.py
index ce8c60c864dbaf..e07a23dc5cccc1 100644
--- a/src/bindings/python/src/openvino/frontend/pytorch/ts_decoder.py
+++ b/src/bindings/python/src/openvino/frontend/pytorch/ts_decoder.py
@@ -58,8 +58,15 @@ def __init__(self, pt_module, graph_element=None, example_input=None, alias_db=N
         self.pt_module = pt_module
         self.raw_inputs = list(self.graph_element.inputs())
         self.raw_outputs = list(self.graph_element.outputs())
-        if self._input_signature is not None and "self" in self.raw_inputs[0].debugName():
-            self._input_signature.insert(0, "self")
+        if self._input_signature is not None:
+            if "self" in self.raw_inputs[0].debugName():
+                self._input_signature.insert(0, "self")
+            if 0 < len(self._input_signature) < len(self.raw_inputs):
+                # last input is args input, we need to multiply that name by number of extra inputs
+                self._input_signature = self._input_signature[:-1]
+                n = len(self._input_signature)
+                for i in range(len(self.raw_inputs) - n):
+                    self._input_signature.append(self.raw_inputs[i + n].debugName())
 
         if isinstance(self.graph_element, torch.Graph):
             self._transform_tensor_list_constants_to_listconstruct(self.graph_element)
diff --git a/src/frontends/pytorch/src/utils_quantize.cpp b/src/frontends/pytorch/src/utils_quantize.cpp
index a8820b8ffe473d..aee7d74eca9c51 100644
--- a/src/frontends/pytorch/src/utils_quantize.cpp
+++ b/src/frontends/pytorch/src/utils_quantize.cpp
@@ -156,8 +156,8 @@ Output<Node> quantize(const NodeContext& context,
     FRONT_END_OP_CONVERSION_CHECK(false, "Failed to convert a node to QuantizedPtNode");
 }
 
-std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(Output<Node> node) {
-    auto quant_node = std::dynamic_pointer_cast<QuantizedPtNode>(node.get_node_shared_ptr());
+std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(std::shared_ptr<Node> node) {
+    auto quant_node = std::dynamic_pointer_cast<QuantizedPtNode>(node);
     if (!quant_node) {
         return nullptr;
     }
@@ -168,19 +168,6 @@ std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(Output<Node> node) {
     return quant_node;
 }
 
-std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(Output<Node> node, const std::string& type) {
-    auto quant_node = std::dynamic_pointer_cast<QuantizedPtNode>(node.get_node_shared_ptr());
-    if (!quant_node) {
-        return nullptr;
-    }
-    const auto& attrs = quant_node->get_attrs();
-    if (attrs.find(QuantizedPtNode::quantized_node_type_key) == attrs.end() ||
-        attrs.at(QuantizedPtNode::quantized_node_type_key) != type) {
-        return nullptr;
-    }
-    return quant_node;
-}
-
 }  // namespace pytorch
 }  // namespace frontend
 }  // namespace ov
diff --git a/src/frontends/pytorch/src/utils_quantize.hpp b/src/frontends/pytorch/src/utils_quantize.hpp
index a78855ca2b3eb5..0d5219f00885f7 100644
--- a/src/frontends/pytorch/src/utils_quantize.hpp
+++ b/src/frontends/pytorch/src/utils_quantize.hpp
@@ -140,8 +140,7 @@ Output<Node> quantize(const NodeContext& context,
                       const Output<Node>& zero_point,
                       const Output<Node>& quantized_node);
 
-std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(Output<Node> node);
-std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(Output<Node> node, const std::string& type);
+std::shared_ptr<QuantizedPtNode> cast_quantized_fw_node(std::shared_ptr<Node> node);
 
 namespace op {
 /**