diff --git a/staking/params.go b/staking/params.go
index 7c3ce9e57..a5a55e7e0 100644
--- a/staking/params.go
+++ b/staking/params.go
@@ -7,12 +7,10 @@ import (
 const (
 	isValidatorKeyStr = "Harmony/IsValidator/v0"
 	isValidatorStr    = "Harmony/IsAValidator/v0"
-	isNotValidatorStr = "Harmony/IsNotAValidator/v0"
 )
 
 // keys used to retrieve staking related informatio
 var (
 	IsValidatorKey = crypto.Keccak256Hash([]byte(isValidatorKeyStr))
 	IsValidator    = crypto.Keccak256Hash([]byte(isValidatorStr))
-	IsNotValidator = crypto.Keccak256Hash([]byte(isNotValidatorStr))
 )