diff --git a/drongo b/drongo
index 687e235c..4e7f0611 160000
--- a/drongo
+++ b/drongo
@@ -1 +1 @@
-Subproject commit 687e235c94ef181a8de6ee1fb9cf812d6e16c672
+Subproject commit 4e7f0611c4bd15ae983bd06feeb80ad69eedb853
diff --git a/src/main/java/com/sparrowwallet/sparrow/BitcoinUnit.java b/src/main/java/com/sparrowwallet/sparrow/BitcoinUnit.java
deleted file mode 100644
index 56319cca..00000000
--- a/src/main/java/com/sparrowwallet/sparrow/BitcoinUnit.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package com.sparrowwallet.sparrow;
-
-import com.sparrowwallet.drongo.protocol.Transaction;
-
-public enum BitcoinUnit {
-    BTC("BTC") {
-        @Override
-        public long getSatsValue(double unitValue) {
-            return (long)(unitValue * Transaction.SATOSHIS_PER_BITCOIN);
-        }
-
-        public double getValue(long satsValue) {
-            return (double)satsValue / Transaction.SATOSHIS_PER_BITCOIN;
-        }
-    },
-    SATOSHIS("sats") {
-        @Override
-        public long getSatsValue(double unitValue) {
-            return (long)unitValue;
-        }
-
-        public double getValue(long satsValue) {
-            return (double)satsValue;
-        }
-    };
-
-    private final String label;
-
-    BitcoinUnit(String label) {
-        this.label = label;
-    }
-
-    public String getLabel() {
-        return label;
-    }
-
-    public abstract long getSatsValue(double unitValue);
-
-    public abstract double getValue(long satsValue);
-
-    public double convertFrom(double fromValue, BitcoinUnit fromUnit) {
-        long satsValue = fromUnit.getSatsValue(fromValue);
-        return getValue(satsValue);
-    }
-
-    @Override
-    public String toString() {
-        return label;
-    }
-}
diff --git a/src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java b/src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java
index d725f6ac..aaff4cc8 100644
--- a/src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java
@@ -1,11 +1,11 @@
 package com.sparrowwallet.sparrow.wallet;
 
 import com.google.common.eventbus.Subscribe;
+import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.drongo.address.Address;
 import com.sparrowwallet.drongo.address.InvalidAddressException;
 import com.sparrowwallet.drongo.wallet.*;
 import com.sparrowwallet.sparrow.AppController;
-import com.sparrowwallet.sparrow.BitcoinUnit;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.*;
 import com.sparrowwallet.sparrow.event.FeeRatesUpdatedEvent;
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml b/src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml
index 850d0e0a..03f4c74b 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml
@@ -14,11 +14,11 @@
 <?import javafx.geometry.Insets?>
 <?import com.sparrowwallet.sparrow.control.CopyableLabel?>
 <?import javafx.collections.FXCollections?>
-<?import com.sparrowwallet.sparrow.BitcoinUnit?>
 <?import com.sparrowwallet.sparrow.control.FeeRatesChart?>
 <?import javafx.scene.chart.CategoryAxis?>
 <?import javafx.scene.chart.NumberAxis?>
 <?import com.sparrowwallet.sparrow.control.TransactionDiagram?>
+<?import com.sparrowwallet.drongo.BitcoinUnit?>
 
 <BorderPane stylesheets="@send.css, @wallet.css, @../script.css, @../general.css" styleClass="wallet-pane" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.sparrowwallet.sparrow.wallet.SendController">
     <center>