diff --git a/packages/medusa/src/api/routes/store/carts/__tests__/update-payment-method.js b/packages/medusa/src/api/routes/store/carts/__tests__/update-payment-method.js
deleted file mode 100644
index 3c405175bd..0000000000
--- a/packages/medusa/src/api/routes/store/carts/__tests__/update-payment-method.js
+++ /dev/null
@@ -1,46 +0,0 @@
-import { IdMap } from "medusa-test-utils"
-import { request } from "../../../../../helpers/test-request"
-import { CartServiceMock } from "../../../../../services/__mocks__/cart"
-
-describe("POST /store/carts/:id/payment-method", () => {
-  describe("successfully sets the payment method", () => {
-    let subject
-
-    beforeAll(async () => {
-      const cartId = IdMap.getId("cartWithPaySessions")
-      subject = await request("POST", `/store/carts/${cartId}/payment-method`, {
-        payload: {
-          provider_id: "default_provider",
-          data: {
-            money_id: "success",
-          },
-        },
-      })
-    })
-
-    afterAll(() => {
-      jest.clearAllMocks()
-    })
-
-    it("calls CartService setPaymentMethod", () => {
-      expect(CartServiceMock.setPaymentMethod).toHaveBeenCalledTimes(1)
-      expect(CartServiceMock.setPaymentMethod).toHaveBeenCalledWith(
-        IdMap.getId("cartWithPaySessions"),
-        {
-          provider_id: "default_provider",
-          data: {
-            money_id: "success",
-          },
-        }
-      )
-    })
-
-    it("returns 200", () => {
-      expect(subject.status).toEqual(200)
-    })
-
-    it("returns the cart", () => {
-      expect(subject.body.cart.id).toEqual(IdMap.getId("cartWithPaySessions"))
-    })
-  })
-})
diff --git a/packages/medusa/src/api/routes/store/carts/index.ts b/packages/medusa/src/api/routes/store/carts/index.ts
index 6e42fb2269..9234a86ae9 100644
--- a/packages/medusa/src/api/routes/store/carts/index.ts
+++ b/packages/medusa/src/api/routes/store/carts/index.ts
@@ -82,11 +82,6 @@ export default (app, container) => {
     middlewares.wrap(require("./set-payment-session").default)
   )
 
-  route.post(
-    "/:id/payment-method",
-    middlewares.wrap(require("./update-payment-method").default)
-  )
-
   // Shipping Options
   route.post(
     "/:id/shipping-methods",
@@ -155,5 +150,4 @@ export * from "./create-payment-sessions"
 export * from "./set-payment-session"
 export * from "./update-cart"
 export * from "./update-line-item"
-export * from "./update-payment-method"
 export * from "./update-payment-session"
diff --git a/packages/medusa/src/api/routes/store/carts/update-payment-method.ts b/packages/medusa/src/api/routes/store/carts/update-payment-method.ts
deleted file mode 100644
index 845f13ad8b..0000000000
--- a/packages/medusa/src/api/routes/store/carts/update-payment-method.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-import { IsOptional, IsString } from "class-validator"
-import { defaultStoreCartFields, defaultStoreCartRelations } from "."
-import { CartService } from "../../../../services"
-import { validator } from "../../../../utils/validator"
-
-/**
- * @oas [post] /store/carts/{id}
- * operationId: PostCartsCartPaymentMethodUpdate
- * summary: Update a Cart"
- * description: "Updates a Cart."
- * parameters:
- *   - (path) id=* {string} The id of the Cart.
- * requestBody:
- *   content:
- *     application/json:
- *       schema:
- *         required:
- *           - provider_id
- *         properties:
- *           provider_id:
- *             type: string
- *             description: The id of the Payment Provider.
- *           data:
- *             type: object
- *             description: ""
- * tags:
- *   - Cart
- * responses:
- *   200:
- *     description: OK
- *     content:
- *       application/json:
- *         schema:
- *           properties:
- *             cart:
- *               $ref: "#/components/schemas/cart"
- */
-export default async (req, res) => {
-  const { id } = req.params
-
-  const validated = await validator(
-    StorePostCartsCartPaymentMethodUpdateReq,
-    req.body
-  )
-
-  const cartService: CartService = req.scope.resolve("cartService")
-
-  let cart = await cartService.setPaymentMethod(id, validated)
-  cart = await cartService.retrieve(id, {
-    select: defaultStoreCartFields,
-    relations: defaultStoreCartRelations,
-  })
-
-  res.status(200).json({ cart })
-}
-
-export class StorePostCartsCartPaymentMethodUpdateReq {
-  @IsString()
-  provider_id: string
-
-  @IsOptional()
-  data?: object
-}