Yes, you can choose to hide menu items and toolbar buttons and then show them again.
Switch to the perspective that you want to configure. Select Window → Perspective → Customize Perspective -> Open the Menu Visibility or Tool Bar Visibility tab.
Find the item you want to hide. You can do this two ways −
Expand the menu or toolbar hierarchy to find the item you want to hide.
Click the Filter by command group check box to see a list of command groups which contribute items, and choose the command group the item you wish to hide. Then navigate to the item in the hierarchy in the Structure tree.
Uncheck the check box next to the item. Uncheck a menu to hide all its children.
Click OK to cause the changes to take effect.