diff --git a/.changeset/cli-final-lib-cleanup.md b/.changeset/cli-final-lib-cleanup.md
new file mode 100644
index 0000000000..0884a7fc11
--- /dev/null
+++ b/.changeset/cli-final-lib-cleanup.md
@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Internal refactor to remove the `src/lib/` directory and eliminate the last cross-module import in the CLI package.
diff --git a/packages/cli/src/modules/build/commands/package/start/startFrontend.ts b/packages/cli/src/modules/build/commands/package/start/startFrontend.ts
index c81fd2fd66..689cd20f7a 100644
--- a/packages/cli/src/modules/build/commands/package/start/startFrontend.ts
+++ b/packages/cli/src/modules/build/commands/package/start/startFrontend.ts
@@ -19,11 +19,11 @@ import { resolve as resolvePath } from 'node:path';
 import {
   getModuleFederationRemoteOptions,
   serveBundle,
-} from '../../../../build/lib/bundler';
+} from '../../../lib/bundler';
 import { targetPaths } from '@backstage/cli-common';
 
 import { BackstagePackageJson } from '@backstage/cli-node';
-import { hasReactDomClient } from '../../../../build/lib/bundler/hasReactDomClient';
+import { hasReactDomClient } from '../../../lib/bundler/hasReactDomClient';
 
 interface StartAppOptions {
   verifyVersions?: boolean;
diff --git a/packages/cli/src/modules/build/lib/bundler/config.ts b/packages/cli/src/modules/build/lib/bundler/config.ts
index 1fe81cbec8..c3676ecf70 100644
--- a/packages/cli/src/modules/build/lib/bundler/config.ts
+++ b/packages/cli/src/modules/build/lib/bundler/config.ts
@@ -32,7 +32,7 @@ import pickBy from 'lodash/pickBy';
 import { runOutput, targetPaths } from '@backstage/cli-common';
 
 import { transforms } from './transforms';
-import { version } from '../../../../lib/version';
+import { version } from '../../../../wiring/version';
 import yn from 'yn';
 import { hasReactDomClient } from './hasReactDomClient';
 import { createWorkspaceLinkingPlugins } from './linkWorkspaces';
diff --git a/packages/cli/src/modules/maintenance/commands/repo/fix.ts b/packages/cli/src/modules/maintenance/commands/repo/fix.ts
index cb745b9b48..de09d8b490 100644
--- a/packages/cli/src/modules/maintenance/commands/repo/fix.ts
+++ b/packages/cli/src/modules/maintenance/commands/repo/fix.ts
@@ -31,8 +31,6 @@ import {
 } from 'node:path';
 import { targetPaths } from '@backstage/cli-common';
 
-import { publishPreflightCheck } from '../../../build/lib/publishing';
-
 const SCRIPT_EXTS = ['.js', '.jsx', '.ts', '.tsx', '.json'];
 
 /**
@@ -507,8 +505,6 @@ export async function command(opts: OptionValues): Promise<void> {
       fixPluginId,
       fixPluginPackages,
       fixPeerModules,
-      // Run the publish preflight check too, to make sure we don't uncover errors during publishing
-      publishPreflightCheck,
     );
   }
 
diff --git a/packages/cli/src/modules/new/lib/execution/PortableTemplater.ts b/packages/cli/src/modules/new/lib/execution/PortableTemplater.ts
index 42285259b3..dd6f43b9a7 100644
--- a/packages/cli/src/modules/new/lib/execution/PortableTemplater.ts
+++ b/packages/cli/src/modules/new/lib/execution/PortableTemplater.ts
@@ -27,7 +27,7 @@ import lowerFirst from 'lodash/lowerFirst';
 import { Lockfile } from '@backstage/cli-node';
 import { targetPaths } from '@backstage/cli-common';
 
-import { createPackageVersionProvider } from '../../../../lib/version';
+import { createPackageVersionProvider } from '../version';
 import { hasBackstageYarnPlugin } from '@backstage/cli-node';
 
 const builtInHelpers = {
diff --git a/packages/cli/src/lib/version.test.ts b/packages/cli/src/modules/new/lib/version.test.ts
similarity index 100%
rename from packages/cli/src/lib/version.test.ts
rename to packages/cli/src/modules/new/lib/version.test.ts
diff --git a/packages/cli/src/lib/version.ts b/packages/cli/src/modules/new/lib/version.ts
similarity index 62%
rename from packages/cli/src/lib/version.ts
rename to packages/cli/src/modules/new/lib/version.ts
index 94337710d6..0849e8a9e8 100644
--- a/packages/cli/src/lib/version.ts
+++ b/packages/cli/src/modules/new/lib/version.ts
@@ -14,14 +14,9 @@
  * limitations under the License.
  */
 
-import fs from 'fs-extra';
 import semver from 'semver';
-import { findOwnPaths } from '@backstage/cli-common';
 import { Lockfile } from '@backstage/cli-node';
 
-/* eslint-disable-next-line no-restricted-syntax */
-const ownPaths = findOwnPaths(__dirname);
-
 /* eslint-disable @backstage/no-relative-monorepo-imports */
 /*
 This is a list of all packages used by the templates. If dependencies are added or removed,
@@ -35,28 +30,28 @@ This does not create an actual dependency on these packages and does not bring i
 Rollup will extract the value of the version field in each package at build time without
 leaving any imports in place.
 */
-import { version as backendPluginApi } from '../../../../packages/backend-plugin-api/package.json';
-import { version as backendTestUtils } from '../../../../packages/backend-test-utils/package.json';
-import { version as catalogClient } from '../../../../packages/catalog-client/package.json';
-import { version as cli } from '../../../../packages/cli/package.json';
-import { version as config } from '../../../../packages/config/package.json';
-import { version as coreAppApi } from '../../../../packages/core-app-api/package.json';
-import { version as coreComponents } from '../../../../packages/core-components/package.json';
-import { version as corePluginApi } from '../../../../packages/core-plugin-api/package.json';
-import { version as devUtils } from '../../../../packages/dev-utils/package.json';
-import { version as errors } from '../../../../packages/errors/package.json';
-import { version as frontendDefaults } from '../../../../packages/frontend-defaults/package.json';
-import { version as frontendPluginApi } from '../../../../packages/frontend-plugin-api/package.json';
-import { version as frontendTestUtils } from '../../../../packages/frontend-test-utils/package.json';
-import { version as testUtils } from '../../../../packages/test-utils/package.json';
-import { version as scaffolderNode } from '../../../../plugins/scaffolder-node/package.json';
-import { version as scaffolderNodeTestUtils } from '../../../../plugins/scaffolder-node-test-utils/package.json';
-import { version as authBackend } from '../../../../plugins/auth-backend/package.json';
-import { version as authBackendModuleGuestProvider } from '../../../../plugins/auth-backend-module-guest-provider/package.json';
-import { version as catalogNode } from '../../../../plugins/catalog-node/package.json';
-import { version as theme } from '../../../../packages/theme/package.json';
-import { version as types } from '../../../../packages/types/package.json';
-import { version as backendDefaults } from '../../../../packages/backend-defaults/package.json';
+import { version as backendPluginApi } from '../../../../../../packages/backend-plugin-api/package.json';
+import { version as backendTestUtils } from '../../../../../../packages/backend-test-utils/package.json';
+import { version as catalogClient } from '../../../../../../packages/catalog-client/package.json';
+import { version as cli } from '../../../../../../packages/cli/package.json';
+import { version as config } from '../../../../../../packages/config/package.json';
+import { version as coreAppApi } from '../../../../../../packages/core-app-api/package.json';
+import { version as coreComponents } from '../../../../../../packages/core-components/package.json';
+import { version as corePluginApi } from '../../../../../../packages/core-plugin-api/package.json';
+import { version as devUtils } from '../../../../../../packages/dev-utils/package.json';
+import { version as errors } from '../../../../../../packages/errors/package.json';
+import { version as frontendDefaults } from '../../../../../../packages/frontend-defaults/package.json';
+import { version as frontendPluginApi } from '../../../../../../packages/frontend-plugin-api/package.json';
+import { version as frontendTestUtils } from '../../../../../../packages/frontend-test-utils/package.json';
+import { version as testUtils } from '../../../../../../packages/test-utils/package.json';
+import { version as scaffolderNode } from '../../../../../../plugins/scaffolder-node/package.json';
+import { version as scaffolderNodeTestUtils } from '../../../../../../plugins/scaffolder-node-test-utils/package.json';
+import { version as authBackend } from '../../../../../../plugins/auth-backend/package.json';
+import { version as authBackendModuleGuestProvider } from '../../../../../../plugins/auth-backend-module-guest-provider/package.json';
+import { version as catalogNode } from '../../../../../../plugins/catalog-node/package.json';
+import { version as theme } from '../../../../../../packages/theme/package.json';
+import { version as types } from '../../../../../../packages/types/package.json';
+import { version as backendDefaults } from '../../../../../../packages/backend-defaults/package.json';
 
 export const packageVersions: Record<string, string> = {
   '@backstage/backend-defaults': backendDefaults,
@@ -84,14 +79,6 @@ export const packageVersions: Record<string, string> = {
   '@backstage/plugin-catalog-node': catalogNode,
 };
 
-export function findVersion() {
-  const pkgContent = fs.readFileSync(ownPaths.resolve('package.json'), 'utf8');
-  return JSON.parse(pkgContent).version;
-}
-
-export const version = findVersion();
-export const isDev = fs.pathExistsSync(ownPaths.resolve('src'));
-
 export function createPackageVersionProvider(
   lockfile?: Lockfile,
   options?: {
diff --git a/packages/cli/src/wiring/CliInitializer.ts b/packages/cli/src/wiring/CliInitializer.ts
index 8d0b844c78..a605199179 100644
--- a/packages/cli/src/wiring/CliInitializer.ts
+++ b/packages/cli/src/wiring/CliInitializer.ts
@@ -18,7 +18,7 @@ import { CommandGraph } from './CommandGraph';
 import { CliFeature, OpaqueCliPlugin } from './types';
 import { CommandRegistry } from './CommandRegistry';
 import { Command } from 'commander';
-import { version } from '../lib/version';
+import { version } from './version';
 import chalk from 'chalk';
 import { exitWithError } from './errors';
 import { ForwardedError } from '@backstage/errors';
diff --git a/packages/cli/src/wiring/version.ts b/packages/cli/src/wiring/version.ts
new file mode 100644
index 0000000000..d7d0b3a2fe
--- /dev/null
+++ b/packages/cli/src/wiring/version.ts
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2020 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import fs from 'fs-extra';
+import { findOwnPaths } from '@backstage/cli-common';
+
+/* eslint-disable-next-line no-restricted-syntax */
+const ownPaths = findOwnPaths(__dirname);
+
+export function findVersion() {
+  const pkgContent = fs.readFileSync(ownPaths.resolve('package.json'), 'utf8');
+  return JSON.parse(pkgContent).version;
+}
+
+export const version = findVersion();
+export const isDev = fs.pathExistsSync(ownPaths.resolve('src'));