diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/Attachment.java b/kie-api/src/main/java/org/kie/api/event/usertask/Attachment.java
deleted file mode 100644
index ded0ce0df24..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/Attachment.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-import java.net.URI;
-import java.util.Date;
-
-public interface Attachment {
-
-    String getAttachmentId();
-
-    String getAttachmentName();
-
-    URI getAttachmentURI();
-
-    String getUpdatedBy();
-
-    Date getUpdatedAt();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/Comment.java b/kie-api/src/main/java/org/kie/api/event/usertask/Comment.java
deleted file mode 100644
index 004d3e7d6ee..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/Comment.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-import java.util.Date;
-
-public interface Comment {
-
-    String getCommentId();
-
-    String getCommentContent();
-    
-    String getUpdatedBy();
-    
-    Date getUpdatedAt();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAssignmentEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAssignmentEvent.java
deleted file mode 100644
index 01d460e0ddb..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAssignmentEvent.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-public interface UserTaskAssignmentEvent extends UserTaskEvent {
-
-    String getAssignmentType();
-
-    String[] getNewUsersId();
-
-    String[] getOldUsersId();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAttachmentEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAttachmentEvent.java
deleted file mode 100644
index 9f82c73605e..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskAttachmentEvent.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-public interface UserTaskAttachmentEvent extends UserTaskEvent {
-
-    Attachment getOldAttachment();
-
-    Attachment getNewAttachment();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskCommentEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskCommentEvent.java
deleted file mode 100644
index b51eb3e6bd6..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskCommentEvent.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-public interface UserTaskCommentEvent extends UserTaskEvent {
-
-    Comment getOldComment();
-    
-    Comment getNewComment();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskDeadlineEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskDeadlineEvent.java
deleted file mode 100644
index c1c46b7a1d0..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskDeadlineEvent.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-import java.util.Map;
-
-import org.kie.api.runtime.process.WorkItem;
-
-/**
- * An event when a dealine for task has expired
- */
-public interface UserTaskDeadlineEvent extends UserTaskEvent {
-
-    enum DeadlineType {
-        Started,
-        Completed
-    }
-
-    /**
-     * Returns work item which timeout expires
-     * 
-     * @return work item
-     */
-    WorkItem getWorkItem();
-
-    /**
-     * Returns notification data
-     * 
-     * @return key-value pair list
-     */
-    Map<String, Object> getNotification();
-
-    /**
-     * Returns dealine type
-     * 
-     * @return not started or not completed
-     */
-    DeadlineType getType();
-}
\ No newline at end of file
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskEvent.java
deleted file mode 100644
index 8f45c48b905..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskEvent.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-import java.util.Date;
-
-import org.kie.api.event.KieRuntimeEvent;
-import org.kie.api.runtime.process.NodeInstance;
-import org.kie.api.runtime.process.ProcessInstance;
-import org.kie.api.runtime.process.WorkItem;
-
-/**
- * A runtime event related to the execution of process instances.
- */
-public interface UserTaskEvent
-    extends
-    KieRuntimeEvent {
-
-    /**
-     * The ProcessInstance this event relates to.
-     *
-     * @return the process instance
-     */
-    ProcessInstance getProcessInstance();
-
-    NodeInstance getNodeInstance();
-    
-    WorkItem getWorkItem();
-    
-    String getUserTaskId();
-    
-    String getUserTaskDefinitionId();
-    
-    /**
-     * Returns exact date when the event was created
-     * @return time when event was created
-     */
-    Date getEventDate();
-
-    /**
-     * @return associated identity that performed the event
-     */
-    String getEventUser();
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskStateEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskStateEvent.java
deleted file mode 100644
index 7ed47cc4d37..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskStateEvent.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * 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.
- */
-
-package org.kie.api.event.usertask;
-
-public interface UserTaskStateEvent extends UserTaskEvent {
-
-    String getNewStatus();
-
-    String getOldStatus();
-
-
-
-}
diff --git a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskVariableEvent.java b/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskVariableEvent.java
deleted file mode 100644
index a7dab82d79f..00000000000
--- a/kie-api/src/main/java/org/kie/api/event/usertask/UserTaskVariableEvent.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * 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.
- */
-package org.kie.api.event.usertask;
-
-public interface UserTaskVariableEvent extends UserTaskEvent {
-
-    enum VariableEventType {
-        INPUT, OUTPUT
-    }
-    
-    String getVariableName();
-
-    Object getOldValue();
-
-    Object getNewValue();
-
-    VariableEventType getVariableType();
-}