diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateDefinition.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateDefinition.java
index 93523fb2ad5..5e4c6840613 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateDefinition.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateDefinition.java
@@ -143,7 +143,7 @@ public abstract class CPPTemplateDefinition extends PlatformObject implements IC
 			if (args.length == arguments.length) {
 				int j = 0;
 				for (; j < args.length; j++) {
-					if (!(args[j].isSameType(arguments[j])))
+					if (!args[j].isSameType(arguments[j]))
 						break;
 				}
 				if (j == args.length) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
index f854e756b80..27b65be519d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
@@ -689,8 +689,8 @@ public class CPPTemplates {
 	}
 
 	/**
-	 * @param type
-	 * @param arguments
+	 * @param type a type to instantiate.
+	 * @param argMap a mapping between template parameters and the corresponding arguments.
 	 */
 	public static IType instantiateType(IType type, ObjectMap argMap) {
 		if (argMap == null)
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
index a441eb6dff4..1f838b21437 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
@@ -111,7 +111,6 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 
 	/**
 	 * Returns the BTree for the nested bindings.
-	 * @return
 	 * @throws CoreException
 	 */
 	public BTree getNestedBindingsIndex() throws CoreException {
@@ -119,7 +118,6 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 	}
 
 	@Override
-	@SuppressWarnings("hiding")
 	public void accept(final IPDOMVisitor visitor) throws CoreException {
 		if (visitor instanceof IBTreeVisitor) {
 			getIndex().accept((IBTreeVisitor) visitor);
@@ -151,7 +149,6 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 		getIndex().insert(child.getRecord());
 	}
 
-	@SuppressWarnings("hiding")
 	public PDOMNode getNode(int record) throws CoreException {
 		switch (PDOMNode.getNodeType(pdom, record)) {
 		case POINTER_TYPE:
@@ -296,12 +293,11 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 	/**
 	 * Callback informing the linkage that a name is about to be deleted. This is
 	 * used to do additional processing, like removing inheritance relationships.
-	 * @param pdomName the name that was inserted into the linkage
-	 * @param name the name that caused the insertion
+	 * @param name the name that is about to be deleted
 	 * @throws CoreException 
 	 * @since 4.0
 	 */
-	public void onDeleteName(PDOMName nextName) throws CoreException {
+	public void onDeleteName(PDOMName name) throws CoreException {
 	}
 
 	/**
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
index 87cd98514a1..428bfd49faf 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
@@ -278,7 +278,6 @@ class PDOMCLinkage extends PDOMLinkage implements IIndexCBindingConstants {
 	}
 
 	@Override
-	@SuppressWarnings("hiding")
 	public PDOMNode getNode(int record) throws CoreException {
 		if (record == 0)
 			return null;