diff --git a/src/plugins/data/public/field_formats/mocks.ts b/src/plugins/data/public/field_formats/mocks.ts
index 3222d213b68281..37c1c7c061c4c3 100644
--- a/src/plugins/data/public/field_formats/mocks.ts
+++ b/src/plugins/data/public/field_formats/mocks.ts
@@ -27,12 +27,10 @@ const createStartContractMock = () => fieldFormatsMock as FieldFormatsStart;
 
 const createMock = () => {
   const mocked: jest.Mocked<FieldFormatsServiceClientContract> = {
-    setup: jest.fn(),
-    start: jest.fn(),
+    setup: jest.fn().mockReturnValue(createsetupContractMock()),
+    start: jest.fn().mockReturnValue(createStartContractMock()),
   };
 
-  mocked.setup.mockReturnValue(createSetupContractMock());
-  mocked.start.mockReturnValue(createStartContractMock());
   return mocked;
 };