diff --git a/library/aria.c b/library/aria.c
index ee4b8e1..3a785d4 100644
--- a/library/aria.c
+++ b/library/aria.c
@@ -986,8 +986,8 @@
         if( verbose )
             mbedtls_printf( "  ARIA-CBC-%d (enc): ", 128 + 64 * i );
         mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
-        mbedtls_platform_memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
-        mbedtls_platform_memset( buf, 0x55, sizeof( buf ) );
+        memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
+        memset( buf, 0x55, sizeof( buf ) );
         mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, iv,
             aria_test2_pt, buf );
         if( memcmp( buf, aria_test2_cbc_ct[i], 48 ) != 0 )
@@ -997,8 +997,8 @@
         if( verbose )
             mbedtls_printf( "  ARIA-CBC-%d (dec): ", 128 + 64 * i );
         mbedtls_aria_setkey_dec( &ctx, aria_test2_key, 128 + 64 * i );
-        mbedtls_platform_memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
-        mbedtls_platform_memset( buf, 0xAA, sizeof( buf ) );
+        memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
+        memset( buf, 0xAA, sizeof( buf ) );
         mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_DECRYPT, 48, iv,
             aria_test2_cbc_ct[i], buf );
         if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
@@ -1016,8 +1016,8 @@
         if( verbose )
             mbedtls_printf( "  ARIA-CFB-%d (enc): ", 128 + 64 * i );
         mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
-        mbedtls_platform_memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
-        mbedtls_platform_memset( buf, 0x55, sizeof( buf ) );
+        memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
+        memset( buf, 0x55, sizeof( buf ) );
         j = 0;
         mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, &j, iv,
             aria_test2_pt, buf );
@@ -1028,8 +1028,8 @@
         if( verbose )
             mbedtls_printf( "  ARIA-CFB-%d (dec): ", 128 + 64 * i );
         mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
-        mbedtls_platform_memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
-        mbedtls_platform_memset( buf, 0xAA, sizeof( buf ) );
+        memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
+        memset( buf, 0xAA, sizeof( buf ) );
         j = 0;
         mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_DECRYPT, 48, &j,
             iv, aria_test2_cfb_ct[i], buf );