diff --git a/public_include/libcert_crypto.h b/public_include/libcert_crypto.h
index 76ac0f5..9981e80 100644
--- a/public_include/libcert_crypto.h
+++ b/public_include/libcert_crypto.h
@@ -39,18 +39,4 @@ std::string encrypt(const std::string& plainData, const std::string& passphrase)
  */
 std::string decrypt(const std::string& encryptedData, const std::string& passphrase);
 
-/**
- * Check pass phraseFormat
- * @param phassphrase
- * @return True if the passphrase is Ok, otherwise false.
- */
-bool checkPassphraseFormat(const std::string& passphrase);
-
-/**
- * Get passphrase format
- * @param phassphrase
- * @return The passphrase format
- */
-std::string getPassphraseFormat();
-
 } // namespace fty
diff --git a/src/libcert_crypto.cc b/src/libcert_crypto.cc
index 471c29f..ecc4517 100644
--- a/src/libcert_crypto.cc
+++ b/src/libcert_crypto.cc
@@ -28,9 +28,6 @@
 
 #include "libcert_openssl_wrapper.h"
 #include <iostream>
-#include <memory>
-#include <regex>
-#include <sstream>
 
 namespace fty {
 static constexpr const char* PASS_PHRASE_FORMAT_REGEX = ".{8,}";
@@ -78,16 +75,4 @@ std::string decrypt(const std::string& encryptedData, const std::string& passphr
     return bytesToStr(plainBinary);
 }
 
-bool checkPassphraseFormat(const std::string& passphrase)
-{
-    std::regex reg(PASS_PHRASE_FORMAT_REGEX);
-
-    return !passphrase.empty() && std::regex_search(passphrase, reg);
-}
-
-std::string getPassphraseFormat()
-{
-    return std::string(PASS_PHRASE_FORMAT_REGEX);
-}
-
 } // namespace fty