diff --git a/modules/dnn/src/op_inf_engine.cpp b/modules/dnn/src/op_inf_engine.cpp
index 75503885f8..1b4d26058e 100644
--- a/modules/dnn/src/op_inf_engine.cpp
+++ b/modules/dnn/src/op_inf_engine.cpp
@@ -126,6 +126,12 @@ void InfEngineBackendNet::getInputsInfo(InferenceEngine::InputsDataMap &inputs_)
     inputs_ = inputs;
 }
 
+// Returns input references that aren't connected to internal outputs.
+void InfEngineBackendNet::getInputsInfo(InferenceEngine::InputsDataMap &inputs_) const noexcept
+{
+    inputs_ = inputs;
+}
+
 InferenceEngine::InputInfo::Ptr InfEngineBackendNet::getInput(const std::string &inputName) noexcept
 {
     getInputsInfo(inputs);
diff --git a/modules/dnn/src/op_inf_engine.hpp b/modules/dnn/src/op_inf_engine.hpp
index 7a622e0acf..f26d467f23 100644
--- a/modules/dnn/src/op_inf_engine.hpp
+++ b/modules/dnn/src/op_inf_engine.hpp
@@ -29,6 +29,8 @@ public:
 
     virtual void getInputsInfo(InferenceEngine::InputsDataMap &inputs) noexcept;
 
+    virtual void getInputsInfo(InferenceEngine::InputsDataMap &inputs) const noexcept;
+
     virtual InferenceEngine::InputInfo::Ptr getInput(const std::string &inputName) noexcept;
 
     virtual void getName(char *pName, size_t len) noexcept;