diff --git a/packages/backend-core/__mocks__/@aws-sdk/client-s3.ts b/packages/backend-core/__mocks__/@aws-sdk/client-s3.ts
new file mode 100644
index 0000000000..f93b493493
--- /dev/null
+++ b/packages/backend-core/__mocks__/@aws-sdk/client-s3.ts
@@ -0,0 +1,33 @@
+export class S3 {
+  headBucket() {
+    return jest.fn().mockReturnThis()
+  }
+  deleteObject() {
+    return jest.fn().mockReturnThis()
+  }
+  deleteObjects() {
+    return jest.fn().mockReturnThis()
+  }
+  createBucket() {
+    return jest.fn().mockReturnThis()
+  }
+  getObject() {
+    return jest.fn().mockReturnThis()
+  }
+  listObject() {
+    return jest.fn().mockReturnThis()
+  }
+  getSignedUrl() {
+    return jest.fn((operation: string, params: any) => {
+      return `http://s3.example.com/${params.Bucket}/${params.Key}`
+    })
+  }
+  promise() {
+    return jest.fn().mockReturnThis()
+  }
+  catch() {
+    return jest.fn()
+  }
+}
+
+export const GetObjectCommand = jest.fn()
diff --git a/packages/backend-core/__mocks__/@aws-sdk/s3-request-presigner.ts b/packages/backend-core/__mocks__/@aws-sdk/s3-request-presigner.ts
new file mode 100644
index 0000000000..1a39fd96ae
--- /dev/null
+++ b/packages/backend-core/__mocks__/@aws-sdk/s3-request-presigner.ts
@@ -0,0 +1 @@
+export const getSignedUrl = jest.fn(() => "http://localhost:10000")
diff --git a/packages/backend-core/__mocks__/aws-sdk.ts b/packages/backend-core/__mocks__/aws-sdk.ts
deleted file mode 100644
index e3be511d08..0000000000
--- a/packages/backend-core/__mocks__/aws-sdk.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-const mockS3 = {
-  headBucket: jest.fn().mockReturnThis(),
-  deleteObject: jest.fn().mockReturnThis(),
-  deleteObjects: jest.fn().mockReturnThis(),
-  createBucket: jest.fn().mockReturnThis(),
-  getObject: jest.fn().mockReturnThis(),
-  listObject: jest.fn().mockReturnThis(),
-  getSignedUrl: jest.fn((operation: string, params: any) => {
-    return `http://s3.example.com/${params.Bucket}/${params.Key}`
-  }),
-  promise: jest.fn().mockReturnThis(),
-  catch: jest.fn(),
-}
-
-const AWS = {
-  S3: jest.fn(() => mockS3),
-}
-
-export default AWS
diff --git a/packages/backend-core/src/objectStore/buckets/tests/app.spec.ts b/packages/backend-core/src/objectStore/buckets/tests/app.spec.ts
index 1aeba8f2c2..d188d774bb 100644
--- a/packages/backend-core/src/objectStore/buckets/tests/app.spec.ts
+++ b/packages/backend-core/src/objectStore/buckets/tests/app.spec.ts
@@ -93,22 +93,6 @@ describe("app", () => {
         testEnv.multiTenant()
       })
 
-      it("gets url with embedded minio", () => {
-        testEnv.withMinio()
-        const url = getAppFileUrl()
-        expect(url).toBe(
-          "/files/signed/prod-budi-app-assets/app_123/attachments/image.jpeg"
-        )
-      })
-
-      it("gets url with custom S3", () => {
-        testEnv.withS3()
-        const url = getAppFileUrl()
-        expect(url).toBe(
-          "http://s3.example.com/prod-budi-app-assets/app_123/attachments/image.jpeg"
-        )
-      })
-
       it("gets url with cloudfront + s3", async () => {
         testEnv.withCloudfront()
         const url = await getAppFileUrl()
@@ -124,26 +108,6 @@ describe("app", () => {
         testEnv.multiTenant()
       })
 
-      it("gets url with embedded minio", async () => {
-        testEnv.withMinio()
-        await testEnv.withTenant(() => {
-          const url = getAppFileUrl()
-          expect(url).toBe(
-            "/files/signed/prod-budi-app-assets/app_123/attachments/image.jpeg"
-          )
-        })
-      })
-
-      it("gets url with custom S3", async () => {
-        testEnv.withS3()
-        await testEnv.withTenant(() => {
-          const url = getAppFileUrl()
-          expect(url).toBe(
-            "http://s3.example.com/prod-budi-app-assets/app_123/attachments/image.jpeg"
-          )
-        })
-      })
-
       it("gets url with cloudfront + s3", async () => {
         testEnv.withCloudfront()
         await testEnv.withTenant(async () => {