diff --git a/src/main/java/org/aohe/core/twain/Twain.java b/src/main/java/org/aohe/core/twain/Twain.java
index bc81aeb..7c55dd8 100644
--- a/src/main/java/org/aohe/core/twain/Twain.java
+++ b/src/main/java/org/aohe/core/twain/Twain.java
@@ -23,10 +23,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 
-/**
- *
- * @author lucifer
- */
 public class Twain {
 
     // Based on http://www.twain.org/wp-content/uploads/2017/04/TWAIN.H.h
diff --git a/src/main/java/org/aohe/core/twain/TwainCallback.java b/src/main/java/org/aohe/core/twain/TwainCallback.java
index 5de02e6..11def34 100644
--- a/src/main/java/org/aohe/core/twain/TwainCallback.java
+++ b/src/main/java/org/aohe/core/twain/TwainCallback.java
@@ -1,18 +1,3 @@
-/*
- * Copyright 2018 lucifer.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package org.aohe.core.twain;
 
 import com.sun.jna.Pointer;
diff --git a/src/main/java/org/aohe/transfer/TwainNativeTransfer.java b/src/main/java/org/aohe/transfer/TwainNativeTransfer.java
index 24416e2..2e4ffed 100644
--- a/src/main/java/org/aohe/transfer/TwainNativeTransfer.java
+++ b/src/main/java/org/aohe/transfer/TwainNativeTransfer.java
@@ -6,10 +6,6 @@ import org.aohe.core.twain.TwainSource;
 import org.aohe.exceptions.TwainException;
 import org.aohe.utils.TwainUtils;
 
-/**
- *
- * @author lucifer
- */
 public class TwainNativeTransfer extends TwainTransfer {
 
     private final byte[] imageHandle = new byte[8];
diff --git a/src/main/java/org/aohe/variable/TwainContainer.java b/src/main/java/org/aohe/variable/TwainContainer.java
index dc499b6..27614f8 100644
--- a/src/main/java/org/aohe/variable/TwainContainer.java
+++ b/src/main/java/org/aohe/variable/TwainContainer.java
@@ -1,18 +1,3 @@
-/*
- * Copyright 2018 (c) Denis Andreev (lucifer).
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package org.aohe.variable;
 
 import org.aohe.core.twain.Twain;