diff --git a/contracts/.env.example b/contracts/.env.example
index 0f05f5e7..927b62b4 100644
--- a/contracts/.env.example
+++ b/contracts/.env.example
@@ -1,9 +1,9 @@
 # PROJECT ID from https://infura.io/dashboard
-INFURA_KEY=01117e8ede8e4f36801a6a838b24f36c
+INFURA_KEY=
 
 # Private keys
 
 # Deployer
-PRIVATEKEY_OWNER_AMB=34d8e83fca265e9ab5bcc1094fa64e98692375bf8980d066a9edcf4953f0f2f5
-PRIVATEKEY_OWNER_ETH=34d8e83fca265e9ab5bcc1094fa64e98692375bf8980d066a9edcf4953f0f2f5
-PRIVATEKEY_OWNER_BSC=34d8e83fca265e9ab5bcc1094fa64e98692375bf8980d066a9edcf4953f0f2f5
+PRIVATEKEY_OWNER_AMB=
+PRIVATEKEY_OWNER_ETH=
+PRIVATEKEY_OWNER_BSC=