diff --git a/core/src/main/java/com/google/bitcoin/core/Coin.java b/core/src/main/java/com/google/bitcoin/core/Coin.java
index 79966d30..029b766b 100644
--- a/core/src/main/java/com/google/bitcoin/core/Coin.java
+++ b/core/src/main/java/com/google/bitcoin/core/Coin.java
@@ -118,10 +118,6 @@ public final class Coin implements Comparable<Coin>, Serializable {
         return new Coin(LongMath.checkedSubtract(this.value, value.value));
     }
 
-    public Coin subtract(final long value) {
-        return new Coin(LongMath.checkedSubtract(this.value, value));
-    }
-
     public Coin multiply(final long factor) {
         return new Coin(LongMath.checkedMultiply(this.value, factor));
     }
diff --git a/core/src/test/java/com/google/bitcoin/core/FullBlockTestGenerator.java b/core/src/test/java/com/google/bitcoin/core/FullBlockTestGenerator.java
index c34fcfbc..03d4f689 100644
--- a/core/src/test/java/com/google/bitcoin/core/FullBlockTestGenerator.java
+++ b/core/src/test/java/com/google/bitcoin/core/FullBlockTestGenerator.java
@@ -1276,7 +1276,7 @@ public class FullBlockTestGenerator {
         Block b68 = createNextBlock(b65, chainHeadHeight + 21, null, SATOSHI.multiply(10));
         {
             Transaction tx = new Transaction(params);
-            tx.addOutput(out20.value.subtract(9), OP_TRUE_SCRIPT);
+            tx.addOutput(out20.value.subtract(Coin.valueOf(9)), OP_TRUE_SCRIPT);
             addOnlyInputToTransaction(tx, out20, 0);
             b68.addTransaction(tx);
         }
@@ -1286,7 +1286,7 @@ public class FullBlockTestGenerator {
         Block b69 = createNextBlock(b65, chainHeadHeight + 21, null, SATOSHI.multiply(10));
         {
             Transaction tx = new Transaction(params);
-            tx.addOutput(out20.value.subtract(10), OP_TRUE_SCRIPT);
+            tx.addOutput(out20.value.subtract(Coin.valueOf(10)), OP_TRUE_SCRIPT);
             addOnlyInputToTransaction(tx, out20, 0);
             b69.addTransaction(tx);
         }