diff --git a/commands/help.go b/commands/help.go
index 9e1d114..498f9bc 100644
--- a/commands/help.go
+++ b/commands/help.go
@@ -50,7 +50,6 @@ func (Help) Execute(aerc *widgets.Aerc, args []string) error {
 				aerc.HumanReadableBindings(),
 				aerc.SelectedAccountUiConfig(),
 				func(_ string) {
-					helpClose(aerc)
 					aerc.CloseDialog()
 				},
 			),
@@ -61,9 +60,3 @@ func (Help) Execute(aerc *widgets.Aerc, args []string) error {
 
 	return TermCore(aerc, []string{"term", "man", page})
 }
-
-func helpClose(aerc *widgets.Aerc) {
-	if content, ok := aerc.SelectedTabContent().(*widgets.MessageViewer); ok {
-		content.UpdateScreen()
-	}
-}
diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index f8b2816..7365dc5 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -387,22 +387,6 @@ func (mv *MessageViewer) Close() error {
 	return nil
 }
 
-func (mv *MessageViewer) UpdateScreen() {
-	if mv.switcher == nil {
-		return
-	}
-	parts := mv.switcher.parts
-	selected := mv.switcher.selected
-	if selected < 0 {
-		return
-	}
-	if len(parts) > 0 && selected < len(parts) {
-		if part := parts[selected]; part != nil {
-			part.UpdateScreen()
-		}
-	}
-}
-
 func (ps *PartSwitcher) Invalidate() {
 	ui.Invalidate()
 }
@@ -638,10 +622,6 @@ func (pv *PartViewer) SetSource(reader io.Reader) {
 	pv.attemptCopy()
 }
 
-func (pv *PartViewer) UpdateScreen() {
-	pv.Invalidate()
-}
-
 func (pv *PartViewer) attemptCopy() {
 	if pv.source == nil ||
 		pv.filter == nil ||