diff --git a/common/common.vcxitems b/common/common.vcxitems
index c6f9817..46dceb0 100644
--- a/common/common.vcxitems
+++ b/common/common.vcxitems
@@ -18,7 +18,6 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)exception.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\index_exception.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\key_exception.hpp" />
-    <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\openssl_exception.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\win32_exception.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\not_implemented_exception.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)exceptions\operation_canceled_exception.hpp" />
@@ -44,7 +43,6 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)rsa_cipher.hpp" />
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(MSBuildThisFileDirectory)exceptions\openssl_exception.cpp" />
     <ClCompile Include="$(MSBuildThisFileDirectory)exceptions\win32_exception.cpp" />
     <ClCompile Include="$(MSBuildThisFileDirectory)rsa_cipher.cpp" />
   </ItemGroup>
diff --git a/common/exceptions/openssl_exception.cpp b/common/exceptions/openssl_exception.cpp
deleted file mode 100644
index d2c879a..0000000
--- a/common/exceptions/openssl_exception.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "openssl_exception.hpp"
-#include <mutex>
-
-#pragma comment(lib, "libcrypto")
-#pragma comment(lib, "crypt32") // required by libcrypto.lib
-#pragma comment(lib, "ws2_32")  // required by libcrypto.lib
-
-namespace nkg::exceptions {
-
-    openssl_exception::openssl_exception(std::string_view file, int line, error_code_t openssl_error_code, std::string_view message) noexcept :
-        ::nkg::exception(file, line, message) 
-    {
-        static std::once_flag onceflag_load_crypto_strings;
-        std::call_once(onceflag_load_crypto_strings, []() { ERR_load_crypto_strings(); });
-
-        m_error_code = openssl_error_code;
-        m_error_string = ERR_reason_error_string(m_error_code);
-    }
-
-}
diff --git a/common/exceptions/openssl_exception.hpp b/common/exceptions/openssl_exception.hpp
deleted file mode 100644
index e34f158..0000000
--- a/common/exceptions/openssl_exception.hpp
+++ /dev/null
@@ -1,34 +0,0 @@
-#pragma once
-#include "../exception.hpp"
-#include <openssl/err.h>
-
-namespace nkg::exceptions {
-
-    class openssl_exception final : public ::nkg::exception {
-    public:
-        using error_code_t = decltype(ERR_get_error());
-
-    private:
-        error_code_t m_error_code;
-        std::string m_error_string;
-
-    public:
-        openssl_exception(std::string_view file, int line, error_code_t openssl_error_code, std::string_view message) noexcept;
-
-        [[nodiscard]]
-        virtual bool error_code_exists() const noexcept override {
-            return true;
-        }
-
-        [[nodiscard]]
-        virtual intptr_t error_code() const noexcept override {
-            return m_error_code;
-        }
-
-        [[nodiscard]]
-        virtual const std::string& error_string() const noexcept override {
-            return m_error_string;
-        }
-    };
-
-}