diff --git a/.changeset/clever-turtles-work.md b/.changeset/clever-turtles-work.md
new file mode 100644
index 0000000000..9ddad4d1d2
--- /dev/null
+++ b/.changeset/clever-turtles-work.md
@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Deprecated the `plugin:diff` command. If you wish to keep running similar checks in your project we recommend using bespoke scripts. A useful utility for such scripts is `@manypkg/get-packages`, which helps you enumerate all packages in a monorepo.
diff --git a/.changeset/dull-spoons-doubt.md b/.changeset/dull-spoons-doubt.md
new file mode 100644
index 0000000000..533a1ea38f
--- /dev/null
+++ b/.changeset/dull-spoons-doubt.md
@@ -0,0 +1,11 @@
+---
+'@backstage/create-app': patch
+---
+
+Removed usage of the deprecated `diff` command in the root `package.json`.
+
+To make this change in an existing app, make the following change in the root `package.json`:
+
+```diff
+-    "diff": "lerna run diff --",
+```
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ba6ca8c62..d5fc64c019 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -98,9 +98,6 @@ jobs:
       - name: verify type dependencies
         run: yarn lint:type-deps
 
-      - name: verify plugin template
-        run: yarn lerna -- run diff -- --check
-
       - name: ensure clean working directory
         run: |
           if files=$(git ls-files --exclude-standard --others --modified) && [[ -z "$files" ]]; then
diff --git a/package.json b/package.json
index 4edd364147..bc0115ec9e 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,6 @@
     "tsc": "tsc",
     "tsc:full": "backstage-cli repo clean && tsc --skipLibCheck false --incremental false",
     "clean": "backstage-cli repo clean",
-    "diff": "lerna run diff --",
     "test": "backstage-cli test",
     "test:all": "lerna run test -- --coverage",
     "lint": "backstage-cli repo lint --since origin/master",
@@ -25,7 +24,7 @@
     "docker-build": "yarn tsc && yarn workspace example-backend build --build-dependencies && yarn workspace example-backend build-image",
     "new": "backstage-cli new --scope backstage --baseVersion 0.0.0 --no-private",
     "create-plugin": "echo \"use 'yarn new' instead\"",
-    "release": "node scripts/prepare-release.js && changeset version && yarn diff --yes && yarn prettier --write '{packages,plugins}/*/{package.json,CHANGELOG.md}' '.changeset/*.json' && yarn install --no-immutable",
+    "release": "node scripts/prepare-release.js && changeset version && yarn prettier --write '{packages,plugins}/*/{package.json,CHANGELOG.md}' '.changeset/*.json' && yarn install --no-immutable",
     "prettier:check": "prettier --check .",
     "lerna": "lerna",
     "storybook": "yarn ./storybook run start",
diff --git a/packages/cli/cli-report.md b/packages/cli/cli-report.md
index 8b71e8ca17..9a67e8245d 100644
--- a/packages/cli/cli-report.md
+++ b/packages/cli/cli-report.md
@@ -13,7 +13,6 @@ Options:
 
 Commands:
   new [options]
-  plugin:diff [options]
   test
   config:docs [options]
   config:print [options]
@@ -380,17 +379,6 @@ Options:
   --watchman
 ```
 
-### `backstage-cli plugin:diff`
-
-```
-Usage: backstage-cli plugin:diff [options]
-
-Options:
-  --check
-  --yes
-  -h, --help
-```
-
 ### `backstage-cli repo`
 
 ```
diff --git a/packages/cli/src/commands/index.ts b/packages/cli/src/commands/index.ts
index f2257f32a0..8f3317c437 100644
--- a/packages/cli/src/commands/index.ts
+++ b/packages/cli/src/commands/index.ts
@@ -264,10 +264,12 @@ export function registerCommands(program: Command) {
     );
 
   program
-    .command('plugin:diff')
+    .command('plugin:diff', { hidden: true })
     .option('--check', 'Fail if changes are required')
     .option('--yes', 'Apply all changes')
-    .description('Diff an existing plugin with the creation template')
+    .description(
+      'Diff an existing plugin with the creation template [DEPRECATED]',
+    )
     .action(lazy(() => import('./plugin/diff').then(m => m.default)));
 
   // TODO(Rugvip): Deprecate in favor of package variant
diff --git a/packages/create-app/templates/default-app/package.json.hbs b/packages/create-app/templates/default-app/package.json.hbs
index 9e20ebfa64..a4f8815822 100644
--- a/packages/create-app/templates/default-app/package.json.hbs
+++ b/packages/create-app/templates/default-app/package.json.hbs
@@ -14,7 +14,6 @@
     "tsc": "tsc",
     "tsc:full": "tsc --skipLibCheck false --incremental false",
     "clean": "backstage-cli repo clean",
-    "diff": "lerna run diff --",
     "test": "backstage-cli test",
     "test:all": "lerna run test -- --coverage",
     "lint": "backstage-cli repo lint --since origin/master",
diff --git a/plugins/airbrake/package.json b/plugins/airbrake/package.json
index 415bab838c..78a69016e6 100644
--- a/plugins/airbrake/package.json
+++ b/plugins/airbrake/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/allure/package.json b/plugins/allure/package.json
index 4c76b4ccc0..dfc09db777 100644
--- a/plugins/allure/package.json
+++ b/plugins/allure/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/analytics-module-ga/package.json b/plugins/analytics-module-ga/package.json
index e47214836a..71f6c35d02 100644
--- a/plugins/analytics-module-ga/package.json
+++ b/plugins/analytics-module-ga/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/apache-airflow/package.json b/plugins/apache-airflow/package.json
index ad879127e4..a2ebd8b6d8 100644
--- a/plugins/apache-airflow/package.json
+++ b/plugins/apache-airflow/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/api-docs/package.json b/plugins/api-docs/package.json
index 2d2f7db17b..91d7e87a26 100644
--- a/plugins/api-docs/package.json
+++ b/plugins/api-docs/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/azure-devops/package.json b/plugins/azure-devops/package.json
index f940f56ab4..72f859c663 100644
--- a/plugins/azure-devops/package.json
+++ b/plugins/azure-devops/package.json
@@ -23,7 +23,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/badges/package.json b/plugins/badges/package.json
index 2b5b3c927d..843bb511af 100644
--- a/plugins/badges/package.json
+++ b/plugins/badges/package.json
@@ -24,7 +24,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/bazaar/package.json b/plugins/bazaar/package.json
index d8bcf4990e..43f443ffce 100644
--- a/plugins/bazaar/package.json
+++ b/plugins/bazaar/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/bitrise/package.json b/plugins/bitrise/package.json
index 3731f44ac7..ac1ae4d00b 100644
--- a/plugins/bitrise/package.json
+++ b/plugins/bitrise/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/catalog-customized/package.json b/plugins/catalog-customized/package.json
index 6513b62d53..deed4a5885 100644
--- a/plugins/catalog-customized/package.json
+++ b/plugins/catalog-customized/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/catalog-graph/package.json b/plugins/catalog-graph/package.json
index 19f28218b9..2a8fc7f915 100644
--- a/plugins/catalog-graph/package.json
+++ b/plugins/catalog-graph/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/catalog-import/package.json b/plugins/catalog-import/package.json
index ac97a1b0fa..9e4f66ec8e 100644
--- a/plugins/catalog-import/package.json
+++ b/plugins/catalog-import/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/catalog/package.json b/plugins/catalog/package.json
index da79a0e37b..e5cf18f700 100644
--- a/plugins/catalog/package.json
+++ b/plugins/catalog/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/circleci/package.json b/plugins/circleci/package.json
index bb0738ddc6..c5afe63562 100644
--- a/plugins/circleci/package.json
+++ b/plugins/circleci/package.json
@@ -28,7 +28,6 @@
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
     "clean": "backstage-cli package clean",
-    "diff": "backstage-cli plugin:diff",
     "start": "backstage-cli package start",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack"
diff --git a/plugins/cloudbuild/package.json b/plugins/cloudbuild/package.json
index e6451aa654..509205468a 100644
--- a/plugins/cloudbuild/package.json
+++ b/plugins/cloudbuild/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/code-climate/package.json b/plugins/code-climate/package.json
index f815cd578b..b9c78d0be1 100644
--- a/plugins/code-climate/package.json
+++ b/plugins/code-climate/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/code-coverage/package.json b/plugins/code-coverage/package.json
index cfe204b27a..beaa4377df 100644
--- a/plugins/code-coverage/package.json
+++ b/plugins/code-coverage/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/config-schema/package.json b/plugins/config-schema/package.json
index f7f4ec2e1c..e7388d4ae1 100644
--- a/plugins/config-schema/package.json
+++ b/plugins/config-schema/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/cost-insights/package.json b/plugins/cost-insights/package.json
index 9138ff036a..6f24d026d1 100644
--- a/plugins/cost-insights/package.json
+++ b/plugins/cost-insights/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/example-todo-list/package.json b/plugins/example-todo-list/package.json
index f04cc56d92..9cf65ac89f 100644
--- a/plugins/example-todo-list/package.json
+++ b/plugins/example-todo-list/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/explore/package.json b/plugins/explore/package.json
index fb4233fc49..a699ccedbb 100644
--- a/plugins/explore/package.json
+++ b/plugins/explore/package.json
@@ -26,7 +26,6 @@
     "build": "backstage-cli package build",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "clean": "backstage-cli package clean",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
diff --git a/plugins/firehydrant/package.json b/plugins/firehydrant/package.json
index cde3c25b5c..7e644533c7 100644
--- a/plugins/firehydrant/package.json
+++ b/plugins/firehydrant/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/fossa/package.json b/plugins/fossa/package.json
index 7dff980904..f9f597f01c 100644
--- a/plugins/fossa/package.json
+++ b/plugins/fossa/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/gcp-projects/package.json b/plugins/gcp-projects/package.json
index d2a7a5ba55..8ed33ac9cc 100644
--- a/plugins/gcp-projects/package.json
+++ b/plugins/gcp-projects/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/git-release-manager/package.json b/plugins/git-release-manager/package.json
index 06948e0851..644d243d09 100644
--- a/plugins/git-release-manager/package.json
+++ b/plugins/git-release-manager/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/github-actions/package.json b/plugins/github-actions/package.json
index 2bc11d70aa..59ea7f649d 100644
--- a/plugins/github-actions/package.json
+++ b/plugins/github-actions/package.json
@@ -29,7 +29,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/github-deployments/package.json b/plugins/github-deployments/package.json
index 4b2d3c9f6f..74224ca97a 100644
--- a/plugins/github-deployments/package.json
+++ b/plugins/github-deployments/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/github-pull-requests-board/package.json b/plugins/github-pull-requests-board/package.json
index de540d5d5f..6d06202920 100644
--- a/plugins/github-pull-requests-board/package.json
+++ b/plugins/github-pull-requests-board/package.json
@@ -29,7 +29,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/gitops-profiles/package.json b/plugins/gitops-profiles/package.json
index 8718a897e8..43e7939bb7 100644
--- a/plugins/gitops-profiles/package.json
+++ b/plugins/gitops-profiles/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/gocd/package.json b/plugins/gocd/package.json
index bca720b9ff..3df3ae1e06 100644
--- a/plugins/gocd/package.json
+++ b/plugins/gocd/package.json
@@ -24,7 +24,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/graphiql/package.json b/plugins/graphiql/package.json
index e15581fecb..452e131257 100644
--- a/plugins/graphiql/package.json
+++ b/plugins/graphiql/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/home/package.json b/plugins/home/package.json
index b9892e6b58..ede2da73af 100644
--- a/plugins/home/package.json
+++ b/plugins/home/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/ilert/package.json b/plugins/ilert/package.json
index 60971b0852..44e4737835 100644
--- a/plugins/ilert/package.json
+++ b/plugins/ilert/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/jenkins/package.json b/plugins/jenkins/package.json
index ba376de64b..c610e08f57 100644
--- a/plugins/jenkins/package.json
+++ b/plugins/jenkins/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/kafka/package.json b/plugins/kafka/package.json
index 97c0cd2654..a6da7c5141 100644
--- a/plugins/kafka/package.json
+++ b/plugins/kafka/package.json
@@ -19,7 +19,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/kubernetes/package.json b/plugins/kubernetes/package.json
index a3628e17d2..05e218e1c4 100644
--- a/plugins/kubernetes/package.json
+++ b/plugins/kubernetes/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/lighthouse/package.json b/plugins/lighthouse/package.json
index f4ccb628f1..87ff8c41e8 100644
--- a/plugins/lighthouse/package.json
+++ b/plugins/lighthouse/package.json
@@ -27,7 +27,6 @@
     "build": "backstage-cli package build",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "clean": "backstage-cli package clean",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
diff --git a/plugins/newrelic-dashboard/package.json b/plugins/newrelic-dashboard/package.json
index 4ea19d407b..7673ba697b 100644
--- a/plugins/newrelic-dashboard/package.json
+++ b/plugins/newrelic-dashboard/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/newrelic/package.json b/plugins/newrelic/package.json
index 639f86a92f..3698263a95 100644
--- a/plugins/newrelic/package.json
+++ b/plugins/newrelic/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/org/package.json b/plugins/org/package.json
index c2f425db77..ace1227200 100644
--- a/plugins/org/package.json
+++ b/plugins/org/package.json
@@ -23,7 +23,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/pagerduty/package.json b/plugins/pagerduty/package.json
index 49c9b17bb2..c8a7149fd5 100644
--- a/plugins/pagerduty/package.json
+++ b/plugins/pagerduty/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/periskop/package.json b/plugins/periskop/package.json
index 684f4ba44c..83150d3e3d 100644
--- a/plugins/periskop/package.json
+++ b/plugins/periskop/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/rollbar/package.json b/plugins/rollbar/package.json
index 24611df0f6..ee1cc3cc08 100644
--- a/plugins/rollbar/package.json
+++ b/plugins/rollbar/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/scaffolder/package.json b/plugins/scaffolder/package.json
index 31f57719f4..007e0b5215 100644
--- a/plugins/scaffolder/package.json
+++ b/plugins/scaffolder/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/search/package.json b/plugins/search/package.json
index db313d9d6c..cbd488f3e4 100644
--- a/plugins/search/package.json
+++ b/plugins/search/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/sentry/package.json b/plugins/sentry/package.json
index 87a4eb076a..3cfbfa8d9f 100644
--- a/plugins/sentry/package.json
+++ b/plugins/sentry/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/shortcuts/package.json b/plugins/shortcuts/package.json
index e52d942d9f..c2e1a8edb8 100644
--- a/plugins/shortcuts/package.json
+++ b/plugins/shortcuts/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/sonarqube/package.json b/plugins/sonarqube/package.json
index d8193c820e..c71bbc9d09 100644
--- a/plugins/sonarqube/package.json
+++ b/plugins/sonarqube/package.json
@@ -29,7 +29,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/splunk-on-call/package.json b/plugins/splunk-on-call/package.json
index 187a3311da..6d2e61b67a 100644
--- a/plugins/splunk-on-call/package.json
+++ b/plugins/splunk-on-call/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/stack-overflow/package.json b/plugins/stack-overflow/package.json
index 09882cc746..1bca1f569a 100644
--- a/plugins/stack-overflow/package.json
+++ b/plugins/stack-overflow/package.json
@@ -17,7 +17,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/tech-insights/package.json b/plugins/tech-insights/package.json
index 2e072ad8bf..a489b20bc2 100644
--- a/plugins/tech-insights/package.json
+++ b/plugins/tech-insights/package.json
@@ -22,7 +22,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/tech-radar/package.json b/plugins/tech-radar/package.json
index 99d90f7881..f02adbfb15 100644
--- a/plugins/tech-radar/package.json
+++ b/plugins/tech-radar/package.json
@@ -26,7 +26,6 @@
     "build": "backstage-cli package build",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean",
diff --git a/plugins/techdocs/package.json b/plugins/techdocs/package.json
index 3076a94803..0c2ad9fbda 100644
--- a/plugins/techdocs/package.json
+++ b/plugins/techdocs/package.json
@@ -28,7 +28,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/todo/package.json b/plugins/todo/package.json
index 3b2d9205d9..9e1febf094 100644
--- a/plugins/todo/package.json
+++ b/plugins/todo/package.json
@@ -24,7 +24,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/user-settings/package.json b/plugins/user-settings/package.json
index 141d805c07..5c7a563da1 100644
--- a/plugins/user-settings/package.json
+++ b/plugins/user-settings/package.json
@@ -27,7 +27,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"
diff --git a/plugins/xcmetrics/package.json b/plugins/xcmetrics/package.json
index 6684148fb1..1cb69f1316 100644
--- a/plugins/xcmetrics/package.json
+++ b/plugins/xcmetrics/package.json
@@ -18,7 +18,6 @@
     "start": "backstage-cli package start",
     "lint": "backstage-cli package lint",
     "test": "backstage-cli package test",
-    "diff": "backstage-cli plugin:diff",
     "prepack": "backstage-cli package prepack",
     "postpack": "backstage-cli package postpack",
     "clean": "backstage-cli package clean"