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diff --git a/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java
deleted file mode 100644
index 69fd0711a..000000000
--- a/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.cms.ui.workbench.internal.useradmin.commands;
-
-import javax.transaction.Status;
-import javax.transaction.UserTransaction;
-
-import org.argeo.cms.CmsException;
-import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
-import org.argeo.cms.ui.workbench.internal.useradmin.UiAdminUtils;
-import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.osgi.service.useradmin.UserAdminEvent;
-
-/** Manage the transaction that is bound to the current perspective */
-public class UserTransactionHandler extends AbstractHandler {
-	public final static String ID = WorkbenchUiPlugin.PLUGIN_ID
-			+ ".userTransactionHandler";
-
-	public final static String PARAM_COMMAND_ID = "param.commandId";
-
-	public final static String TRANSACTION_BEGIN = "transaction.begin";
-	public final static String TRANSACTION_COMMIT = "transaction.commit";
-	public final static String TRANSACTION_ROLLBACK = "transaction.rollback";
-
-	/* DEPENDENCY INJECTION */
-	private UserAdminWrapper userAdminWrapper;
-
-	public Object execute(ExecutionEvent event) throws ExecutionException {
-		String commandId = event.getParameter(PARAM_COMMAND_ID);
-		final UserTransaction userTransaction = userAdminWrapper
-				.getUserTransaction();
-		try {
-			if (TRANSACTION_BEGIN.equals(commandId)) {
-				if (userTransaction.getStatus() != Status.STATUS_NO_TRANSACTION)
-					throw new CmsException("A transaction already exists");
-				else
-					userTransaction.begin();
-			} else if (TRANSACTION_COMMIT.equals(commandId)) {
-				if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
-					throw new CmsException("No transaction.");
-				else
-					userTransaction.commit();
-			} else if (TRANSACTION_ROLLBACK.equals(commandId)) {
-				if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
-					throw new CmsException("No transaction to rollback.");
-				else {
-					userTransaction.rollback();
-					userAdminWrapper.notifyListeners(new UserAdminEvent(null,
-							UserAdminEvent.ROLE_CHANGED, null));
-				}
-			}
-
-			UiAdminUtils.notifyTransactionStateChange(userTransaction);
-			// Try to remove invalid thread access errors when managing users.
-			// HandlerUtil.getActivePart(event).getSite().getShell().getDisplay()
-			// .asyncExec(new Runnable() {
-			// @Override
-			// public void run() {
-			// UiAdminUtils
-			// .notifyTransactionStateChange(userTransaction);
-			// }
-			// });
-
-		} catch (CmsException e) {
-			throw e;
-		} catch (Exception e) {
-			throw new CmsException("Unable to call " + commandId + " on "
-					+ userTransaction, e);
-		}
-		return null;
-	}
-
-	/* DEPENDENCY INJECTION */
-	public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
-		this.userAdminWrapper = userAdminWrapper;
-	}
-}