diff --git a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/ExtensionsParser.java b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/ExtensionsParser.java
index 76e3bea..54027d7 100644
--- a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/ExtensionsParser.java
+++ b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/ExtensionsParser.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * Copyright (c) 2000, 2017 IBM Corporation and others.
  * 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
@@ -132,6 +132,7 @@
 	private static final int EXTENSION_INDEX = 1;
 	private static final int LAST_INDEX = 1;
 
+	@SuppressWarnings("unchecked")
 	private final ArrayList<RegistryObject> scratchVectors[] = new ArrayList[LAST_INDEX + 1];
 
 	private Locator locator = null;
diff --git a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/RegistryObjectManager.java b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/RegistryObjectManager.java
index a973cd6..46d61e6 100644
--- a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/RegistryObjectManager.java
+++ b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/internal/registry/RegistryObjectManager.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2012 IBM Corporation and others.
+ * Copyright (c) 2004, 2017 IBM Corporation and others.
  * 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
@@ -475,6 +475,7 @@
 
 	}
 
+	@SuppressWarnings("unchecked")
 	private Map<String, int[]> getOrphans() {
 		Object result;
 		if (orphanExtensions == null && !fromCache) {