Bug 24919 quick fix: native methods do not specify a body either [quick fix]
20021016 just like abstract ones - so you can offer removing the modifier
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickFixProcessor.java
case IProblem.NonStaticFieldFromStaticInvocation:
			case IProblem.InstanceMethodDuringConstructorInvocation:
			case IProblem.InstanceFieldDuringConstructorInvocation:
				ModifierCorrectionSubProcessor.addNonAccessibleMemberProposal(context, proposals, false); 
				break;				
			case IProblem.NotVisibleMethod:
			case IProblem.NotVisibleConstructor:
			case IProblem.NotVisibleType:
			case IProblem.SuperclassNotVisible:
			case IProblem.InterfaceNotVisible:
			case IProblem.FieldTypeNotVisible:
			case IProblem.ArgumentTypeNotVisible:
			case IProblem.ReturnTypeNotVisible:
			case IProblem.ExceptionTypeNotVisible:
			case IProblem.NotVisibleField:
			case IProblem.ImportNotVisible:
				ModifierCorrectionSubProcessor.addNonAccessibleMemberProposal(context, proposals, true); 
				break;
			case IProblem.BodyForAbstractMethod:
			case IProblem.AbstractMethodInAbstractClass:
				ModifierCorrectionSubProcessor.addAbstractMethodProposals(context, proposals); 
				break;
			case IProblem.AbstractMethodMustBeImplemented:
				LocalCorrectionsSubProcessor.addUnimplementedMethodsProposals(context, proposals);
				break;					
			default:
		}
	}
}