diff --git a/src/lib/searchOnlyListOmnibox.ts b/src/lib/searchOnlyListOmnibox.ts
index 23db977e..ef35f92b 100644
--- a/src/lib/searchOnlyListOmnibox.ts
+++ b/src/lib/searchOnlyListOmnibox.ts
@@ -2,7 +2,11 @@
  * Degenerate omnibox for lists that only expose free-text search (B128:
  * organizações). Pure / client-safe.
  */
-import { type CampaignListOmniboxChip } from '@/lib/campaignListOmnibox'
+import {
+  filterOmniboxSuggestionSeeds,
+  type CampaignListOmniboxChip,
+  type CampaignListOmniboxSuggestion,
+} from '@/lib/campaignListOmnibox'
 
 export type SearchOnlyListState = {
   q?: string
@@ -19,6 +23,9 @@ export const buildSearchOnlyOmniboxChips = (
   state: SearchOnlyListState,
 ): CampaignListOmniboxChip[] => (state.q ? [{ id: 'q', label: chipLabel('Busca', state.q) }] : [])
 
+export const buildSearchOnlyOmniboxSuggestions = (query: string): CampaignListOmniboxSuggestion[] =>
+  filterOmniboxSuggestionSeeds([], query)
+
 export const applySearchOnlyOmniboxSuggestion = <T extends SearchOnlyListState>({
   state,
   suggestionId,
@@ -34,3 +41,28 @@ export const applySearchOnlyOmniboxSuggestion = <T extends SearchOnlyListState>(
   }
   return { kind: 'url', state }
 }
+
+export const removeSearchOnlyOmniboxChip = <T extends SearchOnlyListState>({
+  state,
+  chipId,
+  withPageReset,
+}: {
+  state: T
+  chipId: string
+  withPageReset: (next: T) => T
+}): SearchOnlyOmniboxAction<T> => {
+  if (chipId === 'q') {
+    return { kind: 'url', state: withPageReset({ ...state, q: undefined }) }
+  }
+  return { kind: 'url', state }
+}
+
+export const clearSearchOnlyOmnibox = <T extends SearchOnlyListState>({
+  cleared,
+}: {
+  state: T
+  cleared: T
+}): SearchOnlyOmniboxAction<T> => ({
+  kind: 'clear',
+  state: cleared,
+})