diff --git a/test_apps/test_app/config/blockchain.json b/test_apps/test_app/config/blockchain.json
index e2638b6e..8f55b6da 100644
--- a/test_apps/test_app/config/blockchain.json
+++ b/test_apps/test_app/config/blockchain.json
@@ -13,7 +13,6 @@
     "networkType": "custom",
     "networkId": "1337",
     "isDev": true,
-    "isDev": false,
     "genesisBlock": "config/development/genesis.json",
     "datadir": ".embark/development/datadir",
     "mineWhenNeeded": true,