diff --git a/src/main/java/org/apache/maven/plugin/AbstractCompilerMojo.java b/src/main/java/org/apache/maven/plugin/AbstractCompilerMojo.java
deleted file mode 100644
index 4a69cfcb..00000000
--- a/src/main/java/org/apache/maven/plugin/AbstractCompilerMojo.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package org.apache.maven.plugin;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- */
-
-/**
- * TODO: At least one step could be optimized, currently the plugin will do two
- * scans of all the source code if the compiler has to have the entire set of
- * sources. This is currently the case for at least the C# compiler and most
- * likely all the other .NET compilers too.
- *
- * @author others
- * @author Trygve Laugstøl
- * @since 2.0
- * @deprecated package change since 3.0
- */
-@Deprecated
-public abstract class AbstractCompilerMojo
- extends org.apache.maven.plugin.compiler.AbstractCompilerMojo
-{
- // no op only here for backward comp
-}
diff --git a/src/main/java/org/apache/maven/plugin/CompilationFailureException.java b/src/main/java/org/apache/maven/plugin/CompilationFailureException.java
deleted file mode 100644
index dbf8c3d4..00000000
--- a/src/main/java/org/apache/maven/plugin/CompilationFailureException.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package org.apache.maven.plugin;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- */
-
-import org.codehaus.plexus.compiler.CompilerMessage;
-
-import java.util.List;
-
-/**
- * @author Jason van Zyl
- * @version $Id$
- * @deprecated package change since 3.0
- */
-@SuppressWarnings ( "serial" )
-@Deprecated
-public class CompilationFailureException
- extends org.apache.maven.plugin.compiler.CompilationFailureException
-{
- public CompilationFailureException( List messages )
- {
- super( messages );
- }
-}
diff --git a/src/main/java/org/apache/maven/plugin/CompilerMojo.java b/src/main/java/org/apache/maven/plugin/CompilerMojo.java
deleted file mode 100644
index 20a1fa1d..00000000
--- a/src/main/java/org/apache/maven/plugin/CompilerMojo.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package org.apache.maven.plugin;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- */
-
-/**
- * Compiles application sources
- *
- * @author Jason van Zyl
- * @since 2.0
- * @deprecated package change since 3.0
- */
-@Deprecated
-public class CompilerMojo
- extends org.apache.maven.plugin.compiler.CompilerMojo
-{
- // no op only here for backward comp
-}
diff --git a/src/main/java/org/apache/maven/plugin/TestCompilerMojo.java b/src/main/java/org/apache/maven/plugin/TestCompilerMojo.java
deleted file mode 100644
index 021d4db6..00000000
--- a/src/main/java/org/apache/maven/plugin/TestCompilerMojo.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package org.apache.maven.plugin;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- */
-
-/**
- * Compiles application test sources.
- *
- * @author Jason van Zyl
- * @since 2.0
- * @deprecated package change since 3.0
- */
-@Deprecated
-public class TestCompilerMojo
- extends org.apache.maven.plugin.compiler.TestCompilerMojo
-{
- // no op only here for backward comp
-}