diff --git a/src/main/java/com/bernd32/romajihenkan/ConversionTable.java b/src/main/java/com/bernd32/romajihenkan/ConversionTable.java
index 2c29e08..1de2079 100644
--- a/src/main/java/com/bernd32/romajihenkan/ConversionTable.java
+++ b/src/main/java/com/bernd32/romajihenkan/ConversionTable.java
@@ -1,19 +1,3 @@
-/*
- * Copyright 2019 bernd32
- *
- * 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 com.bernd32.romajihenkan;
 
 import java.io.BufferedReader;
diff --git a/src/main/java/com/bernd32/romajihenkan/ConvertToKana.java b/src/main/java/com/bernd32/romajihenkan/ConvertToKana.java
index 85f5af0..b20514a 100644
--- a/src/main/java/com/bernd32/romajihenkan/ConvertToKana.java
+++ b/src/main/java/com/bernd32/romajihenkan/ConvertToKana.java
@@ -1,19 +1,3 @@
-/*
- * Copyright 2019 bernd32
- *
- * 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 com.bernd32.romajihenkan;
 
 import com.atilika.kuromoji.ipadic.Token;
diff --git a/src/main/java/com/bernd32/romajihenkan/RomajiHenkan.java b/src/main/java/com/bernd32/romajihenkan/RomajiHenkan.java
index e963f7a..e2dc953 100644
--- a/src/main/java/com/bernd32/romajihenkan/RomajiHenkan.java
+++ b/src/main/java/com/bernd32/romajihenkan/RomajiHenkan.java
@@ -1,19 +1,3 @@
-/*
- * Copyright 2019 bernd32
- *
- * 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 com.bernd32.romajihenkan;
 
 public class RomajiHenkan {