diff --git a/engineapi/engineapi/contracts_actions.py b/engineapi/engineapi/contracts_actions.py
index 5f859773..8e7ad875 100644
--- a/engineapi/engineapi/contracts_actions.py
+++ b/engineapi/engineapi/contracts_actions.py
@@ -66,7 +66,6 @@ def validate_method_and_params(
             Web3.toChecksumAddress(parameters["signer"])
         except:
             raise InvalidAddressFormat("Parameter signer must be a valid address")
-        required_params["amount"] = str(required_params["amount"])
     else:
         raise ValueError(f"Unknown contract type {contract_type}")