diff --git a/core/src/main/java/com/google/bitcoin/core/TransactionOutput.java b/core/src/main/java/com/google/bitcoin/core/TransactionOutput.java
index 86dc2e5b..463d2408 100644
--- a/core/src/main/java/com/google/bitcoin/core/TransactionOutput.java
+++ b/core/src/main/java/com/google/bitcoin/core/TransactionOutput.java
@@ -92,7 +92,7 @@ public class TransactionOutput extends ChildMessage implements Serializable {
     /**
      * Creates an output that sends 'value' to the given address (public key hash). The amount should be created with
      * something like {@link Utils#valueOf(int, int)}. Typically you would use
-     * {@link Transaction#addOutput(java.math.Coin, Address)} instead of creating a TransactionOutput directly.
+     * {@link Transaction#addOutput(Coin, Address)} instead of creating a TransactionOutput directly.
      */
     public TransactionOutput(NetworkParameters params, @Nullable Transaction parent, Coin value, Address to) {
         this(params, parent, value, ScriptBuilder.createOutputScript(to).getProgram());
@@ -101,7 +101,7 @@ public class TransactionOutput extends ChildMessage implements Serializable {
     /**
      * Creates an output that sends 'value' to the given public key using a simple CHECKSIG script (no addresses). The
      * amount should be created with something like {@link Utils#valueOf(int, int)}. Typically you would use
-     * {@link Transaction#addOutput(java.math.Coin, ECKey)} instead of creating an output directly.
+     * {@link Transaction#addOutput(Coin, ECKey)} instead of creating an output directly.
      */
     public TransactionOutput(NetworkParameters params, @Nullable Transaction parent, Coin value, ECKey to) {
         this(params, parent, value, ScriptBuilder.createOutputScript(to).getProgram());
diff --git a/core/src/main/java/com/google/bitcoin/core/Wallet.java b/core/src/main/java/com/google/bitcoin/core/Wallet.java
index efe5447b..f9e0bfab 100644
--- a/core/src/main/java/com/google/bitcoin/core/Wallet.java
+++ b/core/src/main/java/com/google/bitcoin/core/Wallet.java
@@ -2141,7 +2141,7 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
          *
          * <p>Be careful to check the output's value is reasonable using
          * {@link TransactionOutput#getMinNonDustValue(Coin)} afterwards or you risk having the transaction
-         * rejected by the network. Note that using {@link SendRequest#to(Address, java.math.Coin)} will result
+         * rejected by the network. Note that using {@link SendRequest#to(Address, Coin)} will result
          * in a smaller output, and thus the ability to use a smaller output value without rejection.</p>
          */
         public static SendRequest to(NetworkParameters params, ECKey destination, Coin value) {
@@ -2174,11 +2174,11 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
      * {@link Wallet#getChangeAddress()}, so you must have added at least one key.</p>
      *
      * <p>If you just want to send money quickly, you probably want
-     * {@link Wallet#sendCoins(TransactionBroadcaster, Address, java.math.Coin)} instead. That will create the sending
+     * {@link Wallet#sendCoins(TransactionBroadcaster, Address, Coin)} instead. That will create the sending
      * transaction, commit to the wallet and broadcast it to the network all in one go. This method is lower level
      * and lets you see the proposed transaction before anything is done with it.</p>
      *
-     * <p>This is a helper method that is equivalent to using {@link Wallet.SendRequest#to(Address, java.math.Coin)}
+     * <p>This is a helper method that is equivalent to using {@link Wallet.SendRequest#to(Address, Coin)}
      * followed by {@link Wallet#completeTx(Wallet.SendRequest)} and returning the requests transaction object.
      * Note that this means a fee may be automatically added if required, if you want more control over the process,
      * just do those two steps yourself.</p>
diff --git a/core/src/main/java/com/google/bitcoin/protocols/channels/IPaymentChannelClient.java b/core/src/main/java/com/google/bitcoin/protocols/channels/IPaymentChannelClient.java
index c3b026f4..052f4303 100644
--- a/core/src/main/java/com/google/bitcoin/protocols/channels/IPaymentChannelClient.java
+++ b/core/src/main/java/com/google/bitcoin/protocols/channels/IPaymentChannelClient.java
@@ -118,7 +118,7 @@ public interface IPaymentChannelClient {
 
         /**
          * <p>Indicates the channel has been successfully opened and
-         * {@link com.google.bitcoin.protocols.channels.PaymentChannelClient#incrementPayment(java.math.Coin)}
+         * {@link com.google.bitcoin.protocols.channels.PaymentChannelClient#incrementPayment(Coin)}
          * may be called at will.</p>
          *
          * <p>Called while holding a lock on the {@link com.google.bitcoin.protocols.channels.PaymentChannelClient}
diff --git a/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientConnection.java b/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientConnection.java
index 4017afc0..539a6b0d 100644
--- a/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientConnection.java
+++ b/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientConnection.java
@@ -120,7 +120,7 @@ public class PaymentChannelClientConnection {
      * an error before the channel has reached the open state.</p>
      *
      * <p>After this future completes successfully, you may call
-     * {@link PaymentChannelClientConnection#incrementPayment(java.math.Coin)} to begin paying the server.</p>
+     * {@link PaymentChannelClientConnection#incrementPayment(Coin)} to begin paying the server.</p>
      */
     public ListenableFuture<PaymentChannelClientConnection> getChannelOpenFuture() {
         return channelOpenFuture;
diff --git a/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientState.java b/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientState.java
index 62ad1fa7..ba7885a7 100644
--- a/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientState.java
+++ b/core/src/main/java/com/google/bitcoin/protocols/channels/PaymentChannelClientState.java
@@ -291,7 +291,7 @@ public class PaymentChannelClientState {
 
     /**
      * Returns the transaction that locks the money to the agreement of both parties. Do not mutate the result.
-     * Once this step is done, you can use {@link PaymentChannelClientState#incrementPaymentBy(java.math.Coin)} to
+     * Once this step is done, you can use {@link PaymentChannelClientState#incrementPaymentBy(Coin)} to
      * start paying the server.
      */
     public synchronized Transaction getMultisigContract() {
diff --git a/core/src/main/java/com/google/bitcoin/wallet/CoinSelection.java b/core/src/main/java/com/google/bitcoin/wallet/CoinSelection.java
index 67cf40e1..560176d4 100644
--- a/core/src/main/java/com/google/bitcoin/wallet/CoinSelection.java
+++ b/core/src/main/java/com/google/bitcoin/wallet/CoinSelection.java
@@ -7,7 +7,7 @@ import java.util.Collection;
 
 /**
  * Represents the results of a
- * {@link com.google.bitcoin.wallet.CoinSelector#select(java.math.Coin, java.util.LinkedList)} operation. A
+ * {@link com.google.bitcoin.wallet.CoinSelector#select(Coin, java.util.LinkedList)} operation. A
  * coin selection represents a list of spendable transaction outputs that sum together to give valueGathered.
  * Different coin selections could be produced by different coin selectors from the same input set, according
  * to their varying policies.