diff --git a/scripts/mbedtls_dev/bignum_mod_raw.py b/scripts/mbedtls_dev/bignum_mod_raw.py
index ee144aa1ec..4c53a7f4c1 100644
--- a/scripts/mbedtls_dev/bignum_mod_raw.py
+++ b/scripts/mbedtls_dev/bignum_mod_raw.py
@@ -51,12 +51,6 @@ class BignumModRawAdd(bignum_common.ModOperationCommon,
     input_style = "fixed"
     arity = 2
 
-    def arguments(self) -> List[str]:
-        return [bignum_common.quote_str(n) for n in [self.arg_a,
-                                                     self.arg_b,
-                                                     self.arg_n]
-               ] + self.result()
-
     def result(self) -> List[str]:
         result = (self.int_a + self.int_b) % self.int_n
         return [self.format_result(result)]
diff --git a/tests/suites/test_suite_bignum_mod_raw.function b/tests/suites/test_suite_bignum_mod_raw.function
index 7b1bda708c..148386189a 100644
--- a/tests/suites/test_suite_bignum_mod_raw.function
+++ b/tests/suites/test_suite_bignum_mod_raw.function
@@ -288,8 +288,9 @@ exit:
 /* BEGIN MERGE SLOT 5 */
 
 /* BEGIN_CASE */
-void mpi_mod_raw_add( char * input_A, char * input_B,
-                      char * input_N, char * input_S )
+void mpi_mod_raw_add( char * input_N,
+                      char * input_A, char * input_B,
+                      char * input_S )
 {
     mbedtls_mpi_uint *A = NULL;
     mbedtls_mpi_uint *B = NULL;