diff --git a/src/core/public/http/http_service.ts b/src/core/public/http/http_service.ts
index d00e71ecaab4c5..5a73ade939365d 100644
--- a/src/core/public/http/http_service.ts
+++ b/src/core/public/http/http_service.ts
@@ -41,7 +41,7 @@ export class HttpService {
 
     return {
       fetch,
-      delete: shorthand('HEAD'),
+      delete: shorthand('DELETE'),
       get: shorthand('GET'),
       head: shorthand('HEAD'),
       options: shorthand('OPTIONS'),
diff --git a/x-pack/plugins/kuery_autocomplete/public/autocomplete_providers/__tests__/value.js b/x-pack/plugins/kuery_autocomplete/public/autocomplete_providers/__tests__/value.js
index d82558dad3bd92..d2cce4fe59282f 100644
--- a/x-pack/plugins/kuery_autocomplete/public/autocomplete_providers/__tests__/value.js
+++ b/x-pack/plugins/kuery_autocomplete/public/autocomplete_providers/__tests__/value.js
@@ -77,7 +77,6 @@ describe('Kuery value suggestions', function () {
       method: 'POST',
       body: '{"query":"","field":"machine.os.raw","boolFilter":[]}',
       credentials: 'same-origin',
-      signal: {},
       headers: {
         'Content-Type': 'application/json',
         'kbn-version': '1.2.3',
diff --git a/x-pack/plugins/rollup/public/search/rollup_search_strategy.js b/x-pack/plugins/rollup/public/search/rollup_search_strategy.js
index 3ae5e21a9b065b..abc0bc620b81a1 100644
--- a/x-pack/plugins/rollup/public/search/rollup_search_strategy.js
+++ b/x-pack/plugins/rollup/public/search/rollup_search_strategy.js
@@ -104,10 +104,9 @@ export const rollupSearchStrategy = {
     });
 
     return {
-      searching: new Promise((resolve, reject) => {
-        promise.then(result => {
-          resolve(shimHitsInFetchResponse(result));
-        }).catch(error => {
+      searching: promise
+        .then(shimHitsInFetchResponse)
+        .catch(error => {
           const {
             body: { statusText, error: title, message },
             res: { url },
@@ -122,9 +121,8 @@ export const rollupSearchStrategy = {
             type: getSearchErrorType({ message }),
           });
 
-          reject(searchError);
-        });
-      }),
+          return Promise.reject(searchError);
+        }),
       abort: () => controller.abort(),
       failedSearchRequests,
     };