diff --git a/app/data/config/fixturenet-optimism/optimism-contracts/run.sh b/app/data/config/fixturenet-optimism/optimism-contracts/run.sh
index 9890da8f..a256ea64 100755
--- a/app/data/config/fixturenet-optimism/optimism-contracts/run.sh
+++ b/app/data/config/fixturenet-optimism/optimism-contracts/run.sh
@@ -13,7 +13,6 @@ CERC_L1_ADDRESS_2="${CERC_L1_ADDRESS_2:-${DEFAULT_CERC_L1_ADDRESS_2}}"
 CERC_L1_PRIV_KEY_2="${CERC_L1_PRIV_KEY_2:-${DEFAULT_CERC_L1_PRIV_KEY_2}}"
 
 echo "Using L1 RPC endpoint ${CERC_L1_RPC}"
-export L1_RPC=${CERC_L1_RPC}
 
 IMPORT_1="import './verify-contract-deployment'"
 IMPORT_2="import './rekey-json'"