AbstractExtensionWizardRegistry wizardRegistry = (AbstractExtensionWizardRegistry)PlatformUI.getWorkbench().getNewWizardRegistry(); IWizardCategory[] categories = PlatformUI.getWorkbench().getNewWizardRegistry().getRootCategory().getCategories(); for(IWizardDescriptor wizard : getAllWizards(categories)){ if(wizard.getCategory().getId().matches("org.eclipse.ui.Basic")){ WorkbenchWizardElement wizardElement = (WorkbenchWizardElement) wizard; wizardRegistry.removeExtension(wizardElement.getConfigurationElement().getDeclaringExtension(), new Object[]{wizardElement}); } }