diff --git a/tests/Cluster.py b/tests/Cluster.py
index 2b06300a83e..37d996d437a 100644
--- a/tests/Cluster.py
+++ b/tests/Cluster.py
@@ -983,6 +983,7 @@ def bios_bootstrap(self, biosNode, totalNodes, pfSetupPolicy, silent=False):
         if Utils.Debug: Utils.Print("cmd: %s" % (cmd))
         env = {
             "BIOS_CONTRACT_PATH": "unittests/contracts/old_versions/v1.6.0-rc3/eosio.bios",
+            "BIOS_CURRENCY_SYMBOL": CORE_SYMBOL,
             "FEATURE_DIGESTS": ""
         }
         if PFSetupPolicy.hasPreactivateFeature(pfSetupPolicy):
diff --git a/tests/core_symbol.py b/tests/core_symbol.py
deleted file mode 100644
index f49ad90eb26..00000000000
--- a/tests/core_symbol.py
+++ /dev/null
@@ -1 +0,0 @@
-CORE_SYMBOL='SYS'