diff --git a/btcstaking-tracker/btcslasher/bootstrapping_test.go b/btcstaking-tracker/btcslasher/bootstrapping_test.go
index 5582aa70..d0c6b4ba 100644
--- a/btcstaking-tracker/btcslasher/bootstrapping_test.go
+++ b/btcstaking-tracker/btcslasher/bootstrapping_test.go
@@ -98,8 +98,17 @@ func FuzzSlasher_Bootstrapping(f *testing.F) {
 		// mock an evidence with this finality provider
 		evidence, err := datagen.GenRandomEvidence(r, fpSK, 100)
 		require.NoError(t, err)
+		er := &ftypes.EvidenceResponse{
+			FpBtcPkHex:           evidence.FpBtcPk.MarshalHex(),
+			BlockHeight:          evidence.BlockHeight,
+			PubRand:              evidence.PubRand,
+			CanonicalAppHash:     evidence.CanonicalAppHash,
+			ForkAppHash:          evidence.ForkAppHash,
+			CanonicalFinalitySig: evidence.CanonicalFinalitySig,
+			ForkFinalitySig:      evidence.ForkFinalitySig,
+		}
 		mockBabylonQuerier.EXPECT().ListEvidences(gomock.Any(), gomock.Any()).Return(&ftypes.QueryListEvidencesResponse{
-			Evidences:  []*ftypes.Evidence{evidence},
+			Evidences:  []*ftypes.EvidenceResponse{er},
 			Pagination: &query.PageResponse{NextKey: nil},
 		}, nil).Times(1)
 
diff --git a/btcstaking-tracker/btcslasher/slasher_test.go b/btcstaking-tracker/btcslasher/slasher_test.go
index d9f3dca8..5e68a5cb 100644
--- a/btcstaking-tracker/btcslasher/slasher_test.go
+++ b/btcstaking-tracker/btcslasher/slasher_test.go
@@ -261,10 +261,10 @@ func FuzzSlasher(f *testing.F) {
 			err = unbondingSlashingInfo.UnbondingTx.Serialize(&unbondingTxBuffer)
 			require.NoError(t, err)
 			unbondingBTCDel.BtcUndelegation = &bstypes.BTCUndelegation{
-				UnbondingTx:           unbondingTxBuffer.Bytes(),
-				SlashingTx:            unbondingSlashingInfo.SlashingTx,
-				DelegatorSlashingSig:  delSlashingSig,
-				DelegatorUnbondingSig: delSlashingSig,
+				UnbondingTx:            unbondingTxBuffer.Bytes(),
+				SlashingTx:             unbondingSlashingInfo.SlashingTx,
+				DelegatorSlashingSig:   delSlashingSig,
+				DelegatorUnbondingInfo: &bstypes.DelegatorUnbondingInfo{SpendStakeTx: unbondingTxBuffer.Bytes()},
 				// TODO: currently requires only one sig, in reality requires all of them
 				CovenantSlashingSigs:     covenantSlashingSigs,
 				CovenantUnbondingSigList: covenantUnbondingSigs,
diff --git a/btcstaking-tracker/btcslasher/slasher_utils.go b/btcstaking-tracker/btcslasher/slasher_utils.go
index 294ca4db..db6a98b5 100644
--- a/btcstaking-tracker/btcslasher/slasher_utils.go
+++ b/btcstaking-tracker/btcslasher/slasher_utils.go
@@ -423,8 +423,7 @@ func (bs *BTCSlasher) getAllActiveAndUnbondedBTCDelegations(
 					activeDels = append(activeDels, dels.Dels[i])
 				}
 				if strings.EqualFold(del.StatusDesc, bstypes.BTCDelegationStatus_UNBONDED.String()) &&
-					len(del.UndelegationResponse.CovenantSlashingSigs) >= int(bsParams.CovenantQuorum) &&
-					len(del.UndelegationResponse.DelegatorUnbondingInfoResponse.SpendStakeTxHex) > 0 {
+					len(del.UndelegationResponse.CovenantSlashingSigs) >= int(bsParams.CovenantQuorum) {
 					// NOTE: Babylon considers a BTC delegation to be unbonded once it
 					// receives staker signature for unbonding transaction, no matter
 					// whether the unbonding tx's timelock has expired. In monitor's view we need to try to slash every
diff --git a/e2etest/container/config.go b/e2etest/container/config.go
index 03b1f3ad..bd405530 100644
--- a/e2etest/container/config.go
+++ b/e2etest/container/config.go
@@ -24,14 +24,13 @@ const (
 
 // NewImageConfig returns ImageConfig needed for running e2e test.
 func NewImageConfig(t *testing.T) ImageConfig {
-	babylondVersion, err := testutil.GetBabylonVersion()
+	_, err := testutil.GetBabylonVersion()
 	require.NoError(t, err)
-	babylondVersion = "6a0ccacc41435a249316a77fe6e1e06aeb654d13" // todo(lazar): remove this when we have a tag
 
 	return ImageConfig{
 		BitcoindRepository: dockerBitcoindRepository,
 		BitcoindVersion:    dockerBitcoindVersionTag,
 		BabylonRepository:  dockerBabylondRepository,
-		BabylonVersion:     babylondVersion,
+		BabylonVersion:     "6a0ccacc41435a249316a77fe6e1e06aeb654d13", // todo(lazar): remove this when we have a tag
 	}
 }