diff --git a/frontend/src/components/dropdown.js b/frontend/src/components/dropdown.js
index f512d6a12e..ebffd038f5 100644
--- a/frontend/src/components/dropdown.js
+++ b/frontend/src/components/dropdown.js
@@ -27,7 +27,7 @@ class DropdownContent extends React.PureComponent {
       for (let x = 0; x < value.length; x++) {
         if (value[x].label === label) {
           isRemove = true;
-          this.props.onRemove(ourObj);
+          this.props.onRemove && this.props.onRemove(ourObj);
           this.props.onChange(value.slice(0, x).concat(value.slice(x + 1)));
         }
       }
@@ -38,7 +38,7 @@ class DropdownContent extends React.PureComponent {
           newArray = [];
         }
         newArray.push(ourObj);
-        this.props.onAdd(ourObj);
+        this.props.onAdd && this.props.onAdd(ourObj);
         this.props.onChange(newArray);
       }
     }
diff --git a/frontend/src/components/header/index.js b/frontend/src/components/header/index.js
index 12ec2384aa..e71e1f29de 100644
--- a/frontend/src/components/header/index.js
+++ b/frontend/src/components/header/index.js
@@ -198,8 +198,6 @@ class Header extends React.Component {
       <>
         <NotificationBell />
         <Dropdown
-          onAdd={() => {}}
-          onRemove={() => {}}
           onChange={this.onUserMenuSelect}
           value={[]}
           display={<UserDisplay username={this.props.userDetails.username} />}
diff --git a/frontend/src/components/localeSelect.js b/frontend/src/components/localeSelect.js
index a2d5bb367f..0c4f4d28b7 100644
--- a/frontend/src/components/localeSelect.js
+++ b/frontend/src/components/localeSelect.js
@@ -23,8 +23,6 @@ function LocaleSelect({ userPreferences, setLocale, className }) {
   };
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={onLocaleSelect}
       value={getActiveLanguageNames()}
       options={supportedLocales}
diff --git a/frontend/src/components/notifications/notificationOrderBy.js b/frontend/src/components/notifications/notificationOrderBy.js
index b3a8e189a5..5b4aa5891e 100644
--- a/frontend/src/components/notifications/notificationOrderBy.js
+++ b/frontend/src/components/notifications/notificationOrderBy.js
@@ -37,7 +37,7 @@ export function NotificationOrderBySelector(props) {
       sort: 'ASC',
     },
   ];
-  const onSortSelect = arr => {
+  const onSortSelect = (arr) => {
     if (arr.length === 1) {
       props.setQuery(
         {
@@ -54,8 +54,6 @@ export function NotificationOrderBySelector(props) {
   };
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={onSortSelect}
       value={`${props.allQueryParams.orderBy}.${props.allQueryParams.orderByType}` || []}
       options={options}
diff --git a/frontend/src/components/projects/orderBy.js b/frontend/src/components/projects/orderBy.js
index 89fdd946b3..2ac6d71409 100644
--- a/frontend/src/components/projects/orderBy.js
+++ b/frontend/src/components/projects/orderBy.js
@@ -62,8 +62,6 @@ export function OrderBySelector(props) {
   };
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={onSortSelect}
       value={`${props.allQueryParams.orderBy}.${props.allQueryParams.orderByType}` || []}
       options={options}
diff --git a/frontend/src/components/projects/projectNav.js b/frontend/src/components/projects/projectNav.js
index 4eb61da7d5..9d1eff29ab 100644
--- a/frontend/src/components/projects/projectNav.js
+++ b/frontend/src/components/projects/projectNav.js
@@ -52,8 +52,6 @@ export const ProjetListViewToggle = (props) => {
 const DifficultyDropdown = (props) => {
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={(n) => {
         const value = n && n[0] && n[0].value;
         props.setQuery(
diff --git a/frontend/src/components/projects/projectsActionFilter.js b/frontend/src/components/projects/projectsActionFilter.js
index a31764b64a..8665553120 100644
--- a/frontend/src/components/projects/projectsActionFilter.js
+++ b/frontend/src/components/projects/projectsActionFilter.js
@@ -23,8 +23,6 @@ export const ProjectsActionFilter = ({ setQuery, fullProjectsQuery }) => {
 
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={(n) => {
         const value = n && n[0] && n[0].value;
         // clean the action query param if it was set on the URL,
diff --git a/frontend/src/components/taskSelection/actionSidebars.js b/frontend/src/components/taskSelection/actionSidebars.js
index bacf6563e7..2c53746da3 100644
--- a/frontend/src/components/taskSelection/actionSidebars.js
+++ b/frontend/src/components/taskSelection/actionSidebars.js
@@ -582,8 +582,6 @@ export function ReopenEditor({ project, action, editor, callEditor }: Object) {
         display={<FormattedMessage {...messages.reloadEditor} />}
         className="bg-white b--grey-light ba pa2 di"
         onChange={callEditor}
-        onAdd={() => {}}
-        onRemove={() => {}}
         toTop={true}
       />
     </div>
diff --git a/frontend/src/components/taskSelection/footer.js b/frontend/src/components/taskSelection/footer.js
index 12866d12d2..18cb0fce99 100644
--- a/frontend/src/components/taskSelection/footer.js
+++ b/frontend/src/components/taskSelection/footer.js
@@ -204,8 +204,6 @@ const TaskSelectionFooter = ({ defaultUserEditor, project, tasks, taskAction, se
           className="bg-white bn"
           toTop={true}
           onChange={updateEditor}
-          onAdd={() => {}}
-          onRemove={() => {}}
         />
       </div>
       <div className="w-30-ns w-60 fl tr">
diff --git a/frontend/src/components/taskSelection/taskActivity.js b/frontend/src/components/taskSelection/taskActivity.js
index bf3b0bfb68..902aa89a63 100644
--- a/frontend/src/components/taskSelection/taskActivity.js
+++ b/frontend/src/components/taskSelection/taskActivity.js
@@ -238,9 +238,6 @@ export const TaskDataDropdown = ({ history, changesetComment, bbox }: Object) =>
   if (history && history.taskHistory && history.taskHistory.length > 0) {
     return (
       <Dropdown
-        onAdd={() => {}}
-        onRemove={() => {}}
-        onChange={() => {}}
         value={null}
         options={[
           { label: <FormattedMessage {...messages.taskOnOSMCha} />, href: osmchaLink },
@@ -396,8 +393,6 @@ function EditorDropdown({ project, taskId, bbox }: Object) {
       display={<FormattedMessage {...messages.openEditor} />}
       className="bg-white b--grey-light ba pa2 dib v-mid"
       onChange={loadTaskOnEditor}
-      onAdd={() => {}}
-      onRemove={() => {}}
     />
   );
 }
diff --git a/frontend/src/components/taskSelection/taskList.js b/frontend/src/components/taskSelection/taskList.js
index c822114d7a..088441bfd4 100644
--- a/frontend/src/components/taskSelection/taskList.js
+++ b/frontend/src/components/taskSelection/taskList.js
@@ -287,8 +287,6 @@ export function TaskList({
         </div>
         <div className="w-60-l w-50-m w-100 dib pv1">
           <Dropdown
-            onAdd={() => {}}
-            onRemove={() => {}}
             onChange={updateSortingOption}
             value={sortBy || 'date'}
             options={sortingOptions}
diff --git a/frontend/src/components/user/forms/settings.js b/frontend/src/components/user/forms/settings.js
index 4f05465e68..8b32d13ecc 100644
--- a/frontend/src/components/user/forms/settings.js
+++ b/frontend/src/components/user/forms/settings.js
@@ -40,8 +40,6 @@ function _EditorDropdown(props) {
 
   return (
     <Dropdown
-      onAdd={() => {}}
-      onRemove={() => {}}
       onChange={onEditorSelect}
       value={value}
       options={getEditors()}
diff --git a/frontend/src/components/user/list.js b/frontend/src/components/user/list.js
index d64f60422e..1f6cddc965 100644
--- a/frontend/src/components/user/list.js
+++ b/frontend/src/components/user/list.js
@@ -72,8 +72,6 @@ const RoleFilter = ({ filters, setFilters, updateFilters }) => {
   return (
     <div>
       <Dropdown
-        onAdd={() => {}}
-        onRemove={() => {}}
         onChange={(n) => {
           const value = n && n[0] && n[0].value;
           updateFilters('role', value);
@@ -96,8 +94,6 @@ const MapperLevelFilter = ({ filters, setFilters, updateFilters }) => {
   return (
     <div>
       <Dropdown
-        onAdd={() => {}}
-        onRemove={() => {}}
         onChange={(n) => {
           const value = n && n[0] && n[0].value;
           updateFilters('level', value);
diff --git a/frontend/src/views/projectEdit.js b/frontend/src/views/projectEdit.js
index f028f86c40..ae39669b73 100644
--- a/frontend/src/views/projectEdit.js
+++ b/frontend/src/views/projectEdit.js
@@ -253,8 +253,6 @@ export default function ProjectEdit({ id }) {
           </div>
           <span className="db">
             <Dropdown
-              onAdd={() => {}}
-              onRemove={() => {}}
               value={null}
               options={[
                 {