diff --git a/contracts/libs/WitnetV2.sol b/contracts/libs/WitnetV2.sol
index 6d8cd7d1..f895eaa6 100644
--- a/contracts/libs/WitnetV2.sol
+++ b/contracts/libs/WitnetV2.sol
@@ -72,8 +72,6 @@ library WitnetV2 {
         return (
             sla.witnessingFeeNanoWit > 0 
                 && sla.committeeSize > 0 && sla.committeeSize <= 127
-                // v1.7.x requires witnessing collateral to be greater or equal to 20 WIT:
-                && sla.witnessingFeeNanoWit * 100 >= 20 * 10 ** 9 
         );
     }