diff --git a/inc/integretychecker.h b/inc/integretychecker.h
index 0227068..04f9334 100644
--- a/inc/integretychecker.h
+++ b/inc/integretychecker.h
@@ -28,6 +28,4 @@ public:
 private:
   CryptoPP::RSA::PublicKey m_publicKey;
   CryptoPP::RSA::PrivateKey m_privateKey;
-  std::string tmp;
-  CryptoPP::SecByteBlock tmpSec;
 };
diff --git a/src/integretychecker.cpp b/src/integretychecker.cpp
index c2d6c6a..efb19a3 100644
--- a/src/integretychecker.cpp
+++ b/src/integretychecker.cpp
@@ -104,7 +104,6 @@ std::string IntegretyCheck::generateFileHash(const std::string &filepath) {
 
 void IntegretyCheck::signHashList(std::string &hashList) {
   CryptoPP::AutoSeededRandomPool rng;
-  tmp = hashList;
 
   CryptoPP::RSASSA_PKCS1v15_SHA_Signer signer(m_privateKey);
   size_t signature_length = signer.MaxSignatureLength();
@@ -114,7 +113,6 @@ void IntegretyCheck::signHashList(std::string &hashList) {
                          hashList.length(), signature);
   std::cerr << signature_length << std::endl;
   signature.resize(signature_length);
-  tmpSec = signature;
 
   // transfrom binary signature to base64 encoded string
   std::string strHexSignature;