diff --git a/src/headers/tomcrypt_pk.h b/src/headers/tomcrypt_pk.h
index 74fc548..3a9e2de 100644
--- a/src/headers/tomcrypt_pk.h
+++ b/src/headers/tomcrypt_pk.h
@@ -480,7 +480,7 @@ int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key);
 int dsa_export(unsigned char *out, unsigned long *outlen, int type, dsa_key *key);
 int dsa_verify_key(dsa_key *key, int *stat);
 #ifdef LTC_SOURCE
-int dsa_int_validate_key(dsa_key *key, int *stat, int mode);
+int dsa_int_validate_key(dsa_key *key, int *stat);
 #endif
 int dsa_shared_secret(void          *private_key, void *base,
                       dsa_key       *public_key,
diff --git a/src/pk/dsa/dsa_set.c b/src/pk/dsa/dsa_set.c
index d6e1ee9..5cf4f6d 100644
--- a/src/pk/dsa/dsa_set.c
+++ b/src/pk/dsa/dsa_set.c
@@ -90,7 +90,8 @@ int dsa_set_key(const unsigned char *in, unsigned long inlen, int type, dsa_key
       if ((err = mp_read_unsigned_bin(key->y, (unsigned char *)in, inlen)) != CRYPT_OK) { goto LBL_ERR; }
    }
 
-   if ((err = dsa_int_validate_key(key, &stat, 0)) != CRYPT_OK)                            { goto LBL_ERR; }
+   /* do only a quick validation, without primality testing */
+   if ((err = dsa_int_validate_key(key, &stat)) != CRYPT_OK)                            { goto LBL_ERR; }
    if (stat == 0) {
       err = CRYPT_INVALID_ARG;
       goto LBL_ERR;
diff --git a/src/pk/dsa/dsa_verify_key.c b/src/pk/dsa/dsa_verify_key.c
index ebdcd79..3d507fa 100644
--- a/src/pk/dsa/dsa_verify_key.c
+++ b/src/pk/dsa/dsa_verify_key.c
@@ -51,7 +51,7 @@ int dsa_verify_key(dsa_key *key, int *stat)
       return CRYPT_OK;
    }
 
-   return dsa_int_validate_key(key, stat); /* 1 = full check */
+   return dsa_int_validate_key(key, stat);
 }
 
 /**
@@ -67,7 +67,7 @@ int dsa_verify_key(dsa_key *key, int *stat)
 int dsa_int_validate_key(dsa_key *key, int *stat)
 {
    void   *tmp, *tmp2;
-   int    res, err;
+   int    err;
 
    LTC_ARGCHK(key  != NULL);
    LTC_ARGCHK(stat != NULL);