diff --git a/include/libssh/keys.h b/include/libssh/keys.h
index 1fdc8af3..271b76a0 100644
--- a/include/libssh/keys.h
+++ b/include/libssh/keys.h
@@ -49,17 +49,6 @@ struct ssh_private_key_struct {
 #endif
 };
 
-typedef struct signature_struct {
-    int type;
-#ifdef HAVE_LIBGCRYPT
-    gcry_sexp_t dsa_sign;
-    gcry_sexp_t rsa_sign;
-#elif defined HAVE_LIBCRYPTO
-    DSA_SIG *dsa_sign;
-    ssh_string rsa_sign;
-#endif
-} SIGNATURE;
-
 const char *ssh_type_to_char(int type);
 int ssh_type_from_name(const char *name);
 
@@ -70,8 +59,5 @@ ssh_private_key privatekey_make_rsa(ssh_session session, ssh_buffer buffer,
 ssh_public_key publickey_make_dss(ssh_session session, ssh_buffer buffer);
 ssh_public_key publickey_make_rsa(ssh_session session, ssh_buffer buffer, int type);
 ssh_public_key publickey_from_string(ssh_session session, ssh_string pubkey_s);
-ssh_string signature_to_string(SIGNATURE *sign);
-SIGNATURE *signature_from_string(ssh_session session, ssh_string signature,ssh_public_key pubkey,int needed_type);
-void signature_free(SIGNATURE *sign);
 
 #endif /* KEYS_H_ */
diff --git a/src/keys.c b/src/keys.c
index e12fb399..92ddf788 100644
--- a/src/keys.c
+++ b/src/keys.c
@@ -264,37 +264,6 @@ error:
   return NULL;
 }
 
-void signature_free(SIGNATURE *sign) {
-  if (sign == NULL) {
-    return;
-  }
-
-  switch(sign->type) {
-    case SSH_KEYTYPE_DSS:
-#ifdef HAVE_LIBGCRYPT
-      gcry_sexp_release(sign->dsa_sign);
-#elif defined HAVE_LIBCRYPTO
-      DSA_SIG_free(sign->dsa_sign);
-#endif
-      break;
-    case SSH_KEYTYPE_RSA:
-    case SSH_KEYTYPE_RSA1:
-#ifdef HAVE_LIBGCRYPT
-      gcry_sexp_release(sign->rsa_sign);
-#elif defined HAVE_LIBCRYPTO
-      SAFE_FREE(sign->rsa_sign);
-#endif
-      break;
-    default:
-      /* FIXME Passing NULL segfaults */
-#if 0
-       ssh_log(NULL, SSH_LOG_RARE, "Freeing a signature with no type!\n"); */
-#endif
-         break;
-    }
-  SAFE_FREE(sign);
-}
-
 /** @} */
 
 /* vim: set ts=4 sw=4 et cindent: */
diff --git a/src/legacy.c b/src/legacy.c
index c223fa31..4c52d981 100644
--- a/src/legacy.c
+++ b/src/legacy.c
@@ -536,90 +536,6 @@ ssh_string publickey_to_string(ssh_public_key pubkey) {
     return key_blob;
 }
 
-ssh_string signature_to_string(SIGNATURE *sign)
-{
-    ssh_signature sig;
-    ssh_string sig_blob;
-    int rc;
-
-    if (sign == NULL) {
-        return NULL;
-    }
-
-    sig = ssh_signature_new();
-    if (sig == NULL) {
-        return NULL;
-    }
-
-    sig->type = sign->type;
-    sig->dsa_sig = sign->dsa_sign;
-    sig->rsa_sig = sign->rsa_sign;
-
-    rc = ssh_pki_export_signature_blob(sig, &sig_blob);
-    sig->dsa_sig = NULL;
-    sig->rsa_sig = NULL;
-    ssh_signature_free(sig);
-    if (rc < 0) {
-        return NULL;
-    }
-
-    return sig_blob;
-}
-
-SIGNATURE *signature_from_string(ssh_session session,
-                                 ssh_string signature,
-                                 ssh_public_key pubkey,
-                                 int needed_type)
-{
-    SIGNATURE *sign;
-    ssh_signature sig;
-    ssh_key key;
-    int rc;
-
-    if (session == NULL || signature == NULL || pubkey == NULL) {
-        return NULL;
-    }
-
-    key = ssh_key_new();
-    if (key == NULL) {
-        return NULL;
-    }
-
-    key->type = pubkey->type;
-    key->type_c = pubkey->type_c;
-    key->flags = SSH_KEY_FLAG_PUBLIC;
-    key->dsa = pubkey->dsa_pub;
-    key->rsa = pubkey->rsa_pub;
-
-    rc = ssh_pki_import_signature_blob(signature, key, &sig);
-    key->dsa = NULL;
-    key->rsa = NULL;
-    ssh_key_free(key);
-    if (rc < 0) {
-        return NULL;
-    }
-
-    if ((enum ssh_keytypes_e)needed_type != sig->type) {
-        ssh_signature_free(sig);
-        return NULL;
-    }
-
-    sign = malloc(sizeof(struct signature_struct));
-    if (sign == NULL) {
-        ssh_signature_free(sig);
-        return NULL;
-    }
-
-    sign->type = sig->type;
-    sign->dsa_sign = sig->dsa_sig;
-    sig->dsa_sig = NULL;
-    sign->rsa_sign = sig->rsa_sig;
-    sig->rsa_sig = NULL;
-
-    ssh_signature_free(sig);
-    return sign;
-}
-
 /****************************************************************************
  * SERVER SUPPORT
  ****************************************************************************/