diff --git a/java/src/com/zerotierone/sdk/DataStoreGetListener.java b/java/src/com/zerotierone/sdk/DataStoreGetListener.java
index eaf35f18c..c82f744f5 100644
--- a/java/src/com/zerotierone/sdk/DataStoreGetListener.java
+++ b/java/src/com/zerotierone/sdk/DataStoreGetListener.java
@@ -26,8 +26,6 @@
  */
 package com.zerotierone.sdk;
 
-import java.nio.ByteBuffer;
-
 public interface DataStoreGetListener {
 
     /**
diff --git a/java/src/com/zerotierone/sdk/DataStorePutListener.java b/java/src/com/zerotierone/sdk/DataStorePutListener.java
index 26ab19281..277cfcc68 100644
--- a/java/src/com/zerotierone/sdk/DataStorePutListener.java
+++ b/java/src/com/zerotierone/sdk/DataStorePutListener.java
@@ -26,8 +26,6 @@
  */
 package com.zerotierone.sdk;
 
-import java.nio.ByteBuffer;
-
 public interface DataStorePutListener {
 
     /**
diff --git a/java/src/com/zerotierone/sdk/Node.java b/java/src/com/zerotierone/sdk/Node.java
index 6b4a87291..005147f39 100644
--- a/java/src/com/zerotierone/sdk/Node.java
+++ b/java/src/com/zerotierone/sdk/Node.java
@@ -27,8 +27,6 @@
 
 package com.zerotierone.sdk;
 
-import java.nio.ByteBuffer;
-import java.lang.Long;
 import java.net.InetSocketAddress;
 import java.util.ArrayList;
 import java.io.IOException;
diff --git a/java/src/com/zerotierone/sdk/VirtualNetworkFrameListener.java b/java/src/com/zerotierone/sdk/VirtualNetworkFrameListener.java
index 0b85cab15..07051a57b 100644
--- a/java/src/com/zerotierone/sdk/VirtualNetworkFrameListener.java
+++ b/java/src/com/zerotierone/sdk/VirtualNetworkFrameListener.java
@@ -27,8 +27,6 @@
 
 package com.zerotierone.sdk;
 
-import java.nio.ByteBuffer;
-
 public interface VirtualNetworkFrameListener {
     /**
      * Function to send a frame out to a virtual network port