diff --git a/src/treasuries/AllOrNothing.sol b/src/treasuries/AllOrNothing.sol
index fb9391d..4523d8d 100644
--- a/src/treasuries/AllOrNothing.sol
+++ b/src/treasuries/AllOrNothing.sol
@@ -249,6 +249,7 @@ contract AllOrNothing is IReward, BaseTreasury, TimestampChecker, ReentrancyGuar
     function removeReward(bytes32 rewardName)
         external
         onlyCampaignOwner
+        currentTimeIsLess(INFO.getLaunchTime())
         whenCampaignNotPaused
         whenNotPaused
         whenCampaignNotCancelled
diff --git a/src/treasuries/KeepWhatsRaised.sol b/src/treasuries/KeepWhatsRaised.sol
index 673e039..41a57ee 100644
--- a/src/treasuries/KeepWhatsRaised.sol
+++ b/src/treasuries/KeepWhatsRaised.sol
@@ -639,6 +639,7 @@ contract KeepWhatsRaised is IReward, BaseTreasury, TimestampChecker, ICampaignDa
     function removeReward(bytes32 rewardName)
         external
         onlyCampaignOwner
+        currentTimeIsLess(INFO.getLaunchTime())
         whenCampaignNotPaused
         whenNotPaused
         whenCampaignNotCancelled