diff --git a/.circleci/config.yml b/.circleci/config.yml
index e3f8ef172a8d..73988a05bc38 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -560,19 +560,19 @@ workflows:
           requires:
             - unit-tests
       - create-sandboxes:
-          parallelism: 20
+          parallelism: 19
           requires:
             - build
       - build-sandboxes:
-          parallelism: 20
+          parallelism: 19
           requires:
             - create-sandboxes
       - chromatic-sandboxes:
-          parallelism: 17
+          parallelism: 16
           requires:
             - build-sandboxes
       - e2e-production:
-          parallelism: 15
+          parallelism: 14
           requires:
             - build-sandboxes
       - e2e-dev:
@@ -580,7 +580,7 @@ workflows:
           requires:
             - create-sandboxes
       - test-runner-production:
-          parallelism: 15
+          parallelism: 14
           requires:
             - build-sandboxes
       - bench:
@@ -614,22 +614,22 @@ workflows:
           requires:
             - build
       - create-sandboxes:
-          parallelism: 34
+          parallelism: 33
           requires:
             - build
       # - smoke-test-sandboxes: # disabled for now
       #     requires:
       #       - create-sandboxes
       - build-sandboxes:
-          parallelism: 34
+          parallelism: 33
           requires:
             - create-sandboxes
       - chromatic-sandboxes:
-          parallelism: 31
+          parallelism: 30
           requires:
             - build-sandboxes
       - e2e-production:
-          parallelism: 29
+          parallelism: 28
           requires:
             - build-sandboxes
       - e2e-dev:
@@ -637,7 +637,7 @@ workflows:
           requires:
             - create-sandboxes
       - test-runner-production:
-          parallelism: 29
+          parallelism: 28
           requires:
             - build-sandboxes
       # TODO: reenable once we find out the source of flakyness
diff --git a/code/lib/cli/src/sandbox-templates.ts b/code/lib/cli/src/sandbox-templates.ts
index 6a6aaa78b1d6..47e64f8f60a6 100644
--- a/code/lib/cli/src/sandbox-templates.ts
+++ b/code/lib/cli/src/sandbox-templates.ts
@@ -558,7 +558,7 @@ export const merged: TemplateKey[] = [
   ...normal,
   'react-webpack/18-ts',
   'react-webpack/17-ts',
-  'angular-cli/15-ts',
+  // 'angular-cli/15-ts',
   'preact-webpack5/default-ts',
   'preact-vite/default-ts',
   'html-webpack/default',