diff --git a/qa/rpc-tests/zkey_import_export.py b/qa/rpc-tests/zkey_import_export.py
index 6f11c9015..dc35937df 100755
--- a/qa/rpc-tests/zkey_import_export.py
+++ b/qa/rpc-tests/zkey_import_export.py
@@ -9,7 +9,6 @@ from test_framework.util import assert_equal, assert_greater_than, start_nodes,\
     initialize_chain_clean, connect_nodes_bi, wait_and_assert_operationid_status
 
 import logging
-import math
 
 logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)