When you install any drawing or Indicator on the chart, a shortcut of the name of the drawing will be installed on the Objects window and the name of the indicator will be installed on the Series Window, from those two windows you can Delete/Edit the Drawing/Indicator.
You can view those two windows by right clicking on the chart and choose (Objects) for the Drawings and (Series) for the Indicators, or by pressing (Ctrl+B) on the keyboard to view the Objects window, and (Ctrl+I) for the Series Window.
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