diff --git a/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/CompletionServerCapabilityRegistration.java b/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/CompletionServerCapabilityRegistration.java
index c26c100b5..935e2f63e 100644
--- a/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/CompletionServerCapabilityRegistration.java
+++ b/headless-services/commons/commons-language-server/src/main/java/org/springframework/ide/vscode/commons/languageserver/util/CompletionServerCapabilityRegistration.java
@@ -1,14 +1,22 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Pivotal, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Pivotal, Inc. - initial API and implementation
+ *******************************************************************************/
 package org.springframework.ide.vscode.commons.languageserver.util;
 
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.UUID;
-import java.util.concurrent.CompletableFuture;
 
 import org.eclipse.lsp4j.CompletionOptions;
 import org.eclipse.lsp4j.CompletionRegistrationOptions;
@@ -22,7 +30,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.ide.vscode.commons.languageserver.config.LanguageServerProperties;
 
 import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableList.Builder;
 
 import reactor.core.publisher.Mono;