diff --git a/app/models/champs/drop_down_list_champ.rb b/app/models/champs/drop_down_list_champ.rb
index 67a83f281..4c5306f6c 100644
--- a/app/models/champs/drop_down_list_champ.rb
+++ b/app/models/champs/drop_down_list_champ.rb
@@ -56,14 +56,6 @@ class Champs::DropDownListChamp < Champ
     options.include?(value)
   end
 
-  def remove_option(options, touch = false)
-    if touch
-      update(value: nil)
-    else
-      update_column(:value, nil)
-    end
-  end
-
   private
 
   def value_is_in_options
diff --git a/app/models/champs/linked_drop_down_list_champ.rb b/app/models/champs/linked_drop_down_list_champ.rb
index 65e6c576c..c8621efc2 100644
--- a/app/models/champs/linked_drop_down_list_champ.rb
+++ b/app/models/champs/linked_drop_down_list_champ.rb
@@ -47,14 +47,6 @@ class Champs::LinkedDropDownListChamp < Champ
     options.include?(primary_value) || options.include?(secondary_value)
   end
 
-  def remove_option(options, touch = false)
-    if touch
-      update(value: nil)
-    else
-      update_column(:value, nil)
-    end
-  end
-
   private
 
   def pack_value(primary, secondary)
diff --git a/app/models/champs/multiple_drop_down_list_champ.rb b/app/models/champs/multiple_drop_down_list_champ.rb
index 2bc715a06..46bbabfb8 100644
--- a/app/models/champs/multiple_drop_down_list_champ.rb
+++ b/app/models/champs/multiple_drop_down_list_champ.rb
@@ -33,15 +33,6 @@ class Champs::MultipleDropDownListChamp < Champ
     (selected_options - options).size != selected_options.size
   end
 
-  def remove_option(options, touch = false)
-    value = (selected_options - options).to_json
-    if touch
-      update(value:)
-    else
-      update_columns(value:)
-    end
-  end
-
   def focusable_input_id
     render_as_checkboxes? ? checkbox_id(drop_down_options.first) : input_id
   end
@@ -80,10 +71,6 @@ class Champs::MultipleDropDownListChamp < Champ
     end
   end
 
-  def render?
-    @champ.drop_down_options.any?
-  end
-
   private
 
   def values_are_in_options