diff --git a/package.json b/package.json
index 5453ff16..eef99317 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
 		"parse-package-name": "^1.0.0",
 		"populate-all-contributors-for-repository": "^0.1.2",
 		"prettier": "^3.4.2",
+		"remove-dependencies": "^0.1.0",
 		"remove-undefined-objects": "^5.0.0",
 		"replace-in-file": "^8.3.0",
 		"rimraf": "^6.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 936d0a13..132e89f3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -83,6 +83,9 @@ importers:
       prettier:
         specifier: ^3.4.2
         version: 3.4.2
+      remove-dependencies:
+        specifier: ^0.1.0
+        version: 0.1.0
       remove-undefined-objects:
         specifier: ^5.0.0
         version: 5.0.0
@@ -3754,6 +3757,11 @@ packages:
     engines: {node: ^18.18.0 || ^20.9.0 || ^22.0.0}
     hasBin: true
 
+  remove-dependencies@0.1.0:
+    resolution: {integrity: sha512-K9PXkqGYkuQbRVf57SI/t3xBhw87pLbvd94zir6v4+ptJQ0TSjLWtd0ZlebtQEOfnxSchz+wgzTvG7KNpLMAbg==}
+    engines: {node: '>=18.3.0'}
+    hasBin: true
+
   remove-undefined-objects@5.0.0:
     resolution: {integrity: sha512-DE8C17uIWeHaY4SqIkpQpHXm0MIdYHtIqjieWuh0I2PG8YcZRxFE6pqeEhnRetsrQ7Lu9uvSNQkDbg95NLpvnQ==}
     engines: {node: '>=18'}
@@ -8194,6 +8202,8 @@ snapshots:
       - supports-color
       - typescript
 
+  remove-dependencies@0.1.0: {}
+
   remove-undefined-objects@5.0.0: {}
 
   repeat-string@1.6.1: {}
diff --git a/src/next/blocks/blockTSup.test.ts b/src/next/blocks/blockTSup.test.ts
index fd7a1022..36010267 100644
--- a/src/next/blocks/blockTSup.test.ts
+++ b/src/next/blocks/blockTSup.test.ts
@@ -176,6 +176,12 @@ describe("blockTSup", () => {
 			",
 			  },
 			  "scripts": [
+			    {
+			      "commands": [
+			        "node path/to/remove-dependencies/bin/index.js @babel/core babel",
+			      ],
+			      "phase": 3,
+			    },
 			    {
 			      "commands": [
 			        "rm -rf .babelrc* babel.config.* dist lib",
diff --git a/src/next/blocks/blockTSup.ts b/src/next/blocks/blockTSup.ts
index dfb82d60..30b8e650 100644
--- a/src/next/blocks/blockTSup.ts
+++ b/src/next/blocks/blockTSup.ts
@@ -1,6 +1,8 @@
+import { vi } from "vitest";
 import { z } from "zod";
 
 import { base } from "../base.js";
+import { resolveBin } from "../utils/resolveBin.js";
 import { blockDevelopmentDocs } from "./blockDevelopmentDocs.js";
 import { blockESLint } from "./blockESLint.js";
 import { blockGitHubActionsCI } from "./blockGitHubActionsCI.js";
@@ -8,6 +10,10 @@ import { blockPackageJson } from "./blockPackageJson.js";
 import { getPackageDependencies } from "./packageData.js";
 import { CommandPhase } from "./phases.js";
 
+vi.mock("../utils/resolveBin.js", () => ({
+	resolveBin: (bin: string) => `path/to/${bin}`,
+}));
+
 export const blockTSup = base.createBlock({
 	about: {
 		name: "tsup",
@@ -19,6 +25,12 @@ export const blockTSup = base.createBlock({
 	migrate() {
 		return {
 			scripts: [
+				{
+					commands: [
+						`node ${resolveBin("remove-dependencies/bin/index.js")} @babel/core babel`,
+					],
+					phase: CommandPhase.Process,
+				},
 				{
 					commands: ["rm -rf .babelrc* babel.config.* dist lib"],
 					phase: CommandPhase.Migrations,
diff --git a/src/next/blocks/blockVitest.test.ts b/src/next/blocks/blockVitest.test.ts
index 2323f5ef..bd1217f1 100644
--- a/src/next/blocks/blockVitest.test.ts
+++ b/src/next/blocks/blockVitest.test.ts
@@ -1,9 +1,13 @@
 import { testBlock } from "create-testers";
-import { describe, expect, test } from "vitest";
+import { describe, expect, test, vi } from "vitest";
 
 import { blockVitest } from "./blockVitest.js";
 import { optionsBase } from "./options.fakes.js";
 
+vi.mock("../utils/resolveBin.js", () => ({
+	resolveBin: (bin: string) => `path/to/${bin}`,
+}));
+
 describe("blockVitest", () => {
 	test("without addons or mode", () => {
 		const creation = testBlock(blockVitest, {
@@ -467,6 +471,12 @@ describe("blockVitest", () => {
 				",
 			  },
 			  "scripts": [
+			    {
+			      "commands": [
+			        "node path/to/remove-dependencies/bin/index.js eslint-plugin-jest eslint-plugin-mocha eslint-plugin-vitest jest mocha",
+			      ],
+			      "phase": 3,
+			    },
 			    {
 			      "commands": [
 			        "rm .mocha* jest.config.* vitest.config.*",
diff --git a/src/next/blocks/blockVitest.ts b/src/next/blocks/blockVitest.ts
index 9ba0c531..192739f1 100644
--- a/src/next/blocks/blockVitest.ts
+++ b/src/next/blocks/blockVitest.ts
@@ -1,6 +1,7 @@
 import { z } from "zod";
 
 import { base } from "../base.js";
+import { resolveBin } from "../utils/resolveBin.js";
 import { blockCSpell } from "./blockCSpell.js";
 import { blockDevelopmentDocs } from "./blockDevelopmentDocs.js";
 import { blockESLint } from "./blockESLint.js";
@@ -32,6 +33,12 @@ export const blockVitest = base.createBlock({
 	migrate() {
 		return {
 			scripts: [
+				{
+					commands: [
+						`node ${resolveBin("remove-dependencies/bin/index.js")} eslint-plugin-jest eslint-plugin-mocha eslint-plugin-vitest jest mocha`,
+					],
+					phase: CommandPhase.Process,
+				},
 				{
 					commands: ["rm .mocha* jest.config.* vitest.config.*"],
 					phase: CommandPhase.Migrations,
diff --git a/src/steps/uninstallPackages.ts b/src/steps/uninstallPackages.ts
index 6dee5893..6eab6589 100644
--- a/src/steps/uninstallPackages.ts
+++ b/src/steps/uninstallPackages.ts
@@ -31,6 +31,7 @@ export async function uninstallPackages(offline: boolean | undefined) {
 			"parse-package-name",
 			"populate-all-contributors-for-repository",
 			"prettier",
+			"remove-dependencies",
 			"remove-undefined-objects",
 			"replace-in-file",
 			"rimraf",