diff --git a/src/base_grid.cpp b/src/base_grid.cpp
index 37eb6ecdc..b7a08beae 100644
--- a/src/base_grid.cpp
+++ b/src/base_grid.cpp
@@ -954,13 +954,7 @@ void BaseGrid::SetByFrame(bool state) {
 	Refresh(false);
 }
 
-void BaseGrid::SetSelectedSet(const Selection &new_selection) {
-	selection = new_selection;
-	AnnounceSelectedSetChanged();
-	Refresh(false);
-}
-
-void BaseGrid::SetSelectedSet(Selection&& new_selection) {
+void BaseGrid::SetSelectedSet(Selection new_selection) {
 	selection = std::move(new_selection);
 	AnnounceSelectedSetChanged();
 	Refresh(false);
@@ -979,14 +973,7 @@ void BaseGrid::SetActiveLine(AssDialogue *new_line) {
 	extendRow = GetDialogueIndex(new_line);
 }
 
-void BaseGrid::SetSelectionAndActive(Selection const& new_selection, AssDialogue *new_line) {
-	BeginBatch();
-	SetSelectedSet(new_selection);
-	SetActiveLine(new_line);
-	EndBatch();
-}
-
-void BaseGrid::SetSelectionAndActive(Selection&& new_selection, AssDialogue *new_line) {
+void BaseGrid::SetSelectionAndActive(Selection new_selection, AssDialogue *new_line) {
 	BeginBatch();
 	SetSelectedSet(std::move(new_selection));
 	SetActiveLine(new_line);
diff --git a/src/base_grid.h b/src/base_grid.h
index 33d51e69f..476690a70 100644
--- a/src/base_grid.h
+++ b/src/base_grid.h
@@ -126,12 +126,10 @@ public:
 	// SelectionController implementation
 	void SetActiveLine(AssDialogue *new_line) override;
 	AssDialogue * GetActiveLine() const override { return active_line; }
-	void SetSelectedSet(Selection&& new_selection) override;
-	void SetSelectedSet(const Selection &new_selection) override;
+	void SetSelectedSet(Selection new_selection) override;
 	void GetSelectedSet(Selection &res) const override { res = selection; }
 	Selection const& GetSelectedSet() const override { return selection; }
-	void SetSelectionAndActive(Selection const& new_selection, AssDialogue *new_line) override;;
-	void SetSelectionAndActive(Selection&& new_selection, AssDialogue *new_line) override;;
+	void SetSelectionAndActive(Selection new_selection, AssDialogue *new_line) override;;
 	void NextLine() override;
 	void PrevLine() override;
 
diff --git a/src/selection_controller.h b/src/selection_controller.h
index 70e5faa50..f42dbacdb 100644
--- a/src/selection_controller.h
+++ b/src/selection_controller.h
@@ -97,8 +97,7 @@ public:
 	/// If no change happens to the selected set, whether because it was refused or
 	/// because the new set was identical to the old set, no change notification may
 	/// be sent.
-	virtual void SetSelectedSet(const Selection &new_selection) = 0;
-	virtual void SetSelectedSet(Selection&& new_selection) = 0;
+	virtual void SetSelectedSet(Selection new_selection) = 0;
 
 	/// @brief Obtain the selected set
 	/// @param[out] selection Filled with the selected set on return
@@ -115,8 +114,7 @@ public:
 	/// This sets both the active line and selected set before announcing the
 	/// change to either of them, and is guaranteed to announce the active line
 	/// change before the selection change.
-	virtual void SetSelectionAndActive(Selection const& new_selection, ItemDataType new_line) = 0;
-	virtual void SetSelectionAndActive(Selection&& new_selection, ItemDataType new_line) = 0;
+	virtual void SetSelectionAndActive(Selection new_selection, ItemDataType new_line) = 0;
 
 	/// @brief Change the active line to the next in sequence
 	///