diff --git a/lib/cgo/tests/check_cipher.hash.c b/lib/cgo/tests/check_cipher.hash.c
index 80400ba94..9c229ac7e 100644
--- a/lib/cgo/tests/check_cipher.hash.c
+++ b/lib/cgo/tests/check_cipher.hash.c
@@ -137,23 +137,6 @@ START_TEST(TestMerkle)
 }
 END_TEST
 
-START_TEST(TestSHA256Null)
-{
-    cipher__SHA256 x;
-    memset(&x, 0, sizeof(cipher__SHA256));
-    GoUint32 result;
-    GoUint8 isNull;
-    ck_assert(SKY_cipher_SHA256_Null(&x, &isNull) == SKY_OK);
-    ck_assert(isNull);
-    char buff[130];
-    GoSlice b = {buff, 0, 129};
-    randBytes(&b, 128);
-    ck_assert(SKY_cipher_SumSHA256(b, &x) == SKY_OK);
-    ck_assert(SKY_cipher_SHA256_Null(&x, &isNull) == SKY_OK);
-    ck_assert(isNull == 0);
-}
-END_TEST
-
 Suite* cipher_hash(void)
 {
     Suite* s = suite_create("Load cipher.hash");
diff --git a/lib/cgo/tests/check_cipher.hash.common.c b/lib/cgo/tests/check_cipher.hash.common.c
index 4aaaf858d..b61bb834e 100644
--- a/lib/cgo/tests/check_cipher.hash.common.c
+++ b/lib/cgo/tests/check_cipher.hash.common.c
@@ -224,6 +224,23 @@ START_TEST(TestSHA256FromHex)
 }
 END_TEST
 
+START_TEST(TestSHA256Null)
+{
+    cipher__SHA256 x;
+    memset(&x, 0, sizeof(cipher__SHA256));
+    GoUint32 result;
+    GoUint8 isNull;
+    ck_assert(SKY_cipher_SHA256_Null(&x, &isNull) == SKY_OK);
+    ck_assert(isNull);
+    char buff[130];
+    GoSlice b = {buff, 0, 129};
+    randBytes(&b, 128);
+    ck_assert(SKY_cipher_SumSHA256(b, &x) == SKY_OK);
+    ck_assert(SKY_cipher_SHA256_Null(&x, &isNull) == SKY_OK);
+    ck_assert(isNull == 0);
+}
+END_TEST
+
 // define test suite and cases
 Suite *common_check_cipher_hash(void)
 {