diff --git a/src/tx.py b/src/tx.py
index 835af3aad3ce376488a9425b1ba203d4747bbba4..97b689508b3c7485b8d3c2dd472000a7eaf0aa4a 100644
--- a/src/tx.py
+++ b/src/tx.py
@@ -131,9 +131,6 @@ def generate_transaction_document(ep, issuers, AmountTransfered, listinput_and_a
 
     totalAmountTransfered = AmountTransfered * len(outputAddresses)
 
-    if OutputbackChange:
-        OutputbackChange = check_public_key(OutputbackChange, True)
-
     listinput = listinput_and_amount[0]
     totalAmountInput = listinput_and_amount[1]