diff --git a/utxonursery.go b/utxonursery.go
index 5c712b48..3f8cc2f3 100644
--- a/utxonursery.go
+++ b/utxonursery.go
@@ -1722,38 +1722,6 @@ func readOutpoint(r io.Reader, o *wire.OutPoint) error {
 	return nil
 }
 
-func writeTxOut(w io.Writer, txo *wire.TxOut) error {
-	scratch := make([]byte, 8)
-
-	byteOrder.PutUint64(scratch, uint64(txo.Value))
-	if _, err := w.Write(scratch); err != nil {
-		return err
-	}
-
-	if err := wire.WriteVarBytes(w, 0, txo.PkScript); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func readTxOut(r io.Reader, txo *wire.TxOut) error {
-	scratch := make([]byte, 8)
-
-	if _, err := r.Read(scratch); err != nil {
-		return err
-	}
-	txo.Value = int64(byteOrder.Uint64(scratch))
-
-	pkScript, err := wire.ReadVarBytes(r, 0, 80, "pkScript")
-	if err != nil {
-		return err
-	}
-	txo.PkScript = pkScript
-
-	return nil
-}
-
 // Compile-time constraint to ensure kidOutput implements the
 // Input interface.
 
diff --git a/utxonursery_test.go b/utxonursery_test.go
index a7249495..db0ebd9a 100644
--- a/utxonursery_test.go
+++ b/utxonursery_test.go
@@ -436,7 +436,7 @@ func createNurseryTestContext(t *testing.T,
 		GenSweepScript: func() ([]byte, error) {
 			return []byte{}, nil
 		},
-		Estimator: &mockFeeEstimator{},
+		Estimator: &lnwallet.StaticFeeEstimator{},
 		Signer:    &nurseryMockSigner{},
 	})
 
@@ -1011,21 +1011,6 @@ func (i *nurseryStoreInterceptor) RemoveChannel(chanPoint *wire.OutPoint) error
 	return i.ns.RemoveChannel(chanPoint)
 }
 
-type mockFeeEstimator struct{}
-
-func (m *mockFeeEstimator) EstimateFeePerKW(
-	numBlocks uint32) (lnwallet.SatPerKWeight, error) {
-
-	return lnwallet.SatPerKWeight(10000), nil
-}
-
-func (m *mockFeeEstimator) Start() error {
-	return nil
-}
-func (m *mockFeeEstimator) Stop() error {
-	return nil
-}
-
 type nurseryMockSigner struct {
 }