diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/DeclarationWrapper.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/DeclarationWrapper.java
index 22c9b594077..84960d8b76f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/DeclarationWrapper.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/DeclarationWrapper.java
@@ -10,7 +10,6 @@
 ***********************************************************************/
 package org.eclipse.cdt.internal.core.parser;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.List;
@@ -325,7 +324,7 @@ public class DeclarationWrapper implements IDeclaratorOwner
     }
     public Iterator getDeclarators()
     {
-        return Collections.unmodifiableList(declarators).iterator();
+        return declarators.iterator();
     }
     /**
      * @return
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Declarator.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Declarator.java
index bba1eb33beb..2c4bc608d4e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Declarator.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Declarator.java
@@ -127,7 +127,7 @@ public class Declarator implements IParameterCollection, IDeclaratorOwner, IDecl
      */
     public List getPointerOperators()
     {
-        return Collections.unmodifiableList( ptrOps );
+        return ptrOps;
     }
 
 	public void addPointerOperator( ASTPointerOperator ptrOp )
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTEnumerationSpecifier.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTEnumerationSpecifier.java
index 6cd17c5710f..b3a91a64c74 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTEnumerationSpecifier.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTEnumerationSpecifier.java
@@ -11,7 +11,6 @@
 package org.eclipse.cdt.internal.core.parser.ast.quick;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 
@@ -100,7 +99,7 @@ public class ASTEnumerationSpecifier extends ASTScopedTypeSpecifier
      */
     public Iterator getEnumerators()
     {
-        return Collections.unmodifiableList( enumerators ).iterator();
+        return enumerators.iterator();
     }
 
     public void addEnumerator(IASTEnumerator enumerator)