diff --git a/.circleci/config.yml b/.circleci/config.yml
index 550dc9e6b99..e2921e6fa20 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -986,22 +986,22 @@ workflows:
           requires:
             - build
       - create-sandboxes:
-          parallelism: 38
+          parallelism: 37
           requires:
             - build
       # - smoke-test-sandboxes: # disabled for now
       #     requires:
       #       - create-sandboxes
       - build-sandboxes:
-          parallelism: 38
+          parallelism: 37
           requires:
             - create-sandboxes
       - chromatic-sandboxes:
-          parallelism: 35
+          parallelism: 34
           requires:
             - build-sandboxes
       - e2e-production:
-          parallelism: 33
+          parallelism: 32
           requires:
             - build-sandboxes
       - e2e-dev:
@@ -1009,7 +1009,7 @@ workflows:
           requires:
             - create-sandboxes
       - test-runner-production:
-          parallelism: 33
+          parallelism: 32
           requires:
             - build-sandboxes
       - vitest-integration:
diff --git a/code/lib/cli-storybook/src/sandbox-templates.ts b/code/lib/cli-storybook/src/sandbox-templates.ts
index fe89f9decae..c7d782ac4d8 100644
--- a/code/lib/cli-storybook/src/sandbox-templates.ts
+++ b/code/lib/cli-storybook/src/sandbox-templates.ts
@@ -139,23 +139,6 @@ const baseTemplates = {
       extraDependencies: ['prop-types'],
     },
   },
-  'nextjs/13-ts': {
-    name: 'Next.js v13.5 (Webpack | TypeScript)',
-    script:
-      'yarn create next-app {{beforeDir}} -e https://github.com/vercel/next.js/tree/next-13/examples/hello-world && cd {{beforeDir}} && npm pkg set "dependencies.next"="^13.5.6" && yarn && git add . && git commit --amend --no-edit && cd ..',
-    expected: {
-      framework: '@storybook/nextjs',
-      renderer: '@storybook/react',
-      builder: '@storybook/builder-webpack5',
-    },
-    modifications: {
-      mainConfig: {
-        features: { experimentalRSC: true },
-      },
-      extraDependencies: ['server-only', 'prop-types'],
-    },
-    skipTasks: ['e2e-tests-dev', 'bench', 'vitest-integration'],
-  },
   'nextjs/14-ts': {
     name: 'Next.js v14.2 (Webpack | TypeScript)',
     script:
@@ -846,7 +829,6 @@ export const daily: TemplateKey[] = [
   'svelte-kit/skeleton-js',
   'svelte-kit/prerelease-ts',
   'svelte-vite/default-js',
-  'nextjs/13-ts',
   'nextjs/prerelease',
   'qwik-vite/default-ts',
   'preact-vite/default-js',
diff --git a/code/sandbox/nextjs-13-ts/project.json b/code/sandbox/nextjs-13-ts/project.json
deleted file mode 100644
index d83ef788bf2..00000000000
--- a/code/sandbox/nextjs-13-ts/project.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "name": "nextjs/13-ts",
-  "$schema": "../../node_modules/nx/schemas/project-schema.json",
-  "projectType": "application",
-  "implicitDependencies": [
-    "storybook",
-    "core",
-    "addon-essentials",
-    "addon-interactions",
-    "addon-links",
-    "addon-onboarding",
-    "blocks",
-    "nextjs"
-  ],
-  "targets": {
-    "sandbox": {},
-    "sb:dev": {},
-    "sb:build": {}
-  },
-  "tags": ["ci:daily"]
-}