5 files changed, 6 insertions, 6 deletions
diff --git a/tests/test-aes-key-wrap.c b/tests/test-aes-key-wrap.c
index 5ecd46d..aa894cc 100644
--- a/tests/test-aes-key-wrap.c
+++ b/tests/test-aes-key-wrap.c
@@ -163,7 +163,7 @@ static int run_test(hal_core_t *core,
   return ok1 && ok2;
 }
 
-int main (int argc, char *argv[])
+int main(void)
 {
   int failures = 0;
 
diff --git a/tests/test-ecdsa.c b/tests/test-ecdsa.c
index da2b367..fe04a87 100644
--- a/tests/test-ecdsa.c
+++ b/tests/test-ecdsa.c
@@ -359,7 +359,7 @@ static void show_core(const hal_core_t *core, const char *whinge)
     printf("%s core not present\n", whinge);
 }
 
-int main(int argc, char *argv[])
+int main(void)
 {
   const hal_core_t *sha256_core = hal_core_find(SHA256_NAME, NULL);
   const hal_core_t *sha512_core = hal_core_find(SHA512_NAME, NULL);
diff --git a/tests/test-hash.c b/tests/test-hash.c
index 4e78243..20bd446 100644
--- a/tests/test-hash.c
+++ b/tests/test-hash.c
@@ -652,7 +652,7 @@ static void show_core(hal_core_t *core, const char *whinge)
     printf("%s core not present\n", whinge);
 }
 
-int main (int argc, char *argv[])
+int main(void)
 {
   hal_core_t * const sha1_core   = hal_core_find(SHA1_NAME,   NULL);
   hal_core_t * const sha256_core = hal_core_find(SHA256_NAME, NULL);
diff --git a/tests/test-pbkdf2.c b/tests/test-pbkdf2.c
index f3072a7..603a833 100644
--- a/tests/test-pbkdf2.c
+++ b/tests/test-pbkdf2.c
@@ -196,7 +196,7 @@ static int _test_pbkdf2(hal_core_t *core,
                pbkdf2_tc_##_n_##_DK,       sizeof(pbkdf2_tc_##_n_##_DK),        \
                pbkdf2_tc_##_n_##_count,    #_n_)
 
-int main (int argc, char *argv[])
+int main(void)
 {
   hal_core_t *core = hal_core_find(SHA1_NAME, NULL);
   int ok = 1;
diff --git a/tests/test-rsa.c b/tests/test-rsa.c
index 57037c0..f4e7a8f 100644
--- a/tests/test-rsa.c
+++ b/tests/test-rsa.c
@@ -296,7 +296,7 @@ static int test_rsa(hal_core_t *core, const rsa_tc_t * const tc)
   return ok;
 }
 
-int main(int argc, char *argv[])
+int main(void)
 {
   hal_core_t *core = hal_core_find(MODEXPS6_NAME, NULL);
   if (core == NULL)
@@ -314,7 +314,7 @@ int main(int argc, char *argv[])
 
   /* Normal test */
 
-  for (int i = 0; i < (sizeof(rsa_tc)/sizeof(*rsa_tc)); i++)
+  for (size_t i = 0; i < (sizeof(rsa_tc)/sizeof(*rsa_tc)); i++)
     if (!test_rsa(core, &rsa_tc[i]))
       return 1;