diff --git a/tests/include/test/drivers/aead.h b/tests/include/test/drivers/aead.h
index 0830229..92c2989 100644
--- a/tests/include/test/drivers/aead.h
+++ b/tests/include/test/drivers/aead.h
@@ -40,7 +40,7 @@
     mbedtls_test_driver_aead_hooks_init( void )
 {
     const mbedtls_test_driver_aead_hooks_t v = MBEDTLS_TEST_DRIVER_AEAD_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_aead_hooks_t mbedtls_test_driver_aead_hooks;
diff --git a/tests/include/test/drivers/cipher.h b/tests/include/test/drivers/cipher.h
index 142f3b7..8dbee92 100644
--- a/tests/include/test/drivers/cipher.h
+++ b/tests/include/test/drivers/cipher.h
@@ -44,7 +44,7 @@
      mbedtls_test_driver_cipher_hooks_init( void )
 {
     const mbedtls_test_driver_cipher_hooks_t v = MBEDTLS_TEST_DRIVER_CIPHER_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_cipher_hooks_t mbedtls_test_driver_cipher_hooks;
diff --git a/tests/include/test/drivers/hash.h b/tests/include/test/drivers/hash.h
index d202c8b..f72a1a5 100644
--- a/tests/include/test/drivers/hash.h
+++ b/tests/include/test/drivers/hash.h
@@ -40,7 +40,7 @@
     mbedtls_test_driver_hash_hooks_init( void )
 {
     const mbedtls_test_driver_hash_hooks_t v = MBEDTLS_TEST_DRIVER_HASH_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_hash_hooks_t mbedtls_test_driver_hash_hooks;
diff --git a/tests/include/test/drivers/key_management.h b/tests/include/test/drivers/key_management.h
index 16e1f75..8c9c628 100644
--- a/tests/include/test/drivers/key_management.h
+++ b/tests/include/test/drivers/key_management.h
@@ -46,7 +46,7 @@
 {
     const mbedtls_test_driver_key_management_hooks_t
         v = MBEDTLS_TEST_DRIVER_KEY_MANAGEMENT_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_key_management_hooks_t
diff --git a/tests/include/test/drivers/mac.h b/tests/include/test/drivers/mac.h
index 5f6cd38..6c0e96b 100644
--- a/tests/include/test/drivers/mac.h
+++ b/tests/include/test/drivers/mac.h
@@ -40,7 +40,7 @@
     mbedtls_test_driver_mac_hooks_init( void )
 {
     const mbedtls_test_driver_mac_hooks_t v = MBEDTLS_TEST_DRIVER_MAC_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_mac_hooks_t mbedtls_test_driver_mac_hooks;
diff --git a/tests/include/test/drivers/signature.h b/tests/include/test/drivers/signature.h
index 67f2b29..c540d4c 100644
--- a/tests/include/test/drivers/signature.h
+++ b/tests/include/test/drivers/signature.h
@@ -42,7 +42,7 @@
 {
     const mbedtls_test_driver_signature_hooks_t
         v = MBEDTLS_TEST_DRIVER_SIGNATURE_INIT;
-    return( v );
+    return v ;
 }
 
 extern mbedtls_test_driver_signature_hooks_t