diff --git a/package/test_tools/__private/wallet/wallet.py b/package/test_tools/__private/wallet/wallet.py
index 6a70f84cf293b41e153a142744460a2b63af8af2..de57d5d45a0b7f3b470861c7633f2089b1b92554 100644
--- a/package/test_tools/__private/wallet/wallet.py
+++ b/package/test_tools/__private/wallet/wallet.py
@@ -276,7 +276,6 @@ class Wallet(UserHandleImplementation, ScopedObject):
         ref_block_prefix = tapos_data.ref_block_prefix
 
         assert ref_block_num >= 0, f"ref_block_num value `{ref_block_num}` is invalid`"
-        assert ref_block_prefix > 0, f"ref_block_prefix value `{ref_block_prefix}` is invalid`"
 
         return SimpleTransaction(
             ref_block_num=HiveInt(ref_block_num),