diff --git a/CLAUDE.md b/CLAUDE.md
index 8eb2b8d..d656647 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -71,7 +71,7 @@ The tests are written and failing. Now implement the minimum code to make them p
 
 ```
 Tests are green. Refactor the implementation for [readability / removing duplication / naming].
-Run php bin/phpunit after each change to confirm tests stay green.
+Run vendor/bin/phpunit after each change to confirm tests stay green.
 ```
 
 **Common anti-patterns**
@@ -87,16 +87,16 @@ Run php bin/phpunit after each change to confirm tests stay green.
 
 ```bash
 # Run full suite
-php bin/phpunit
+vendor/bin/phpunit
 
 # Run with human-readable output
-php bin/phpunit --testdox
+vendor/bin/phpunit --testdox
 
 # Run a single test file
-php bin/phpunit tests/Unit/Service/SvgRendererTest.php
+vendor/bin/phpunit tests/Unit/Service/SvgRendererTest.php
 
 # Run tests matching a filter
-php bin/phpunit --filter it_renders
+vendor/bin/phpunit --filter it_renders
 ```
 
 ### Auto-run hook
@@ -109,7 +109,7 @@ Add to `.claude/settings.json` to run PHPUnit automatically after every file edi
     "PostToolUse": [
       {
         "matcher": "Edit|Write",
-        "command": "php bin/phpunit 2>&1 | tail -20"
+        "command": "vendor/bin/phpunit 2>&1 | tail -20"
       }
     ]
   }
@@ -130,7 +130,7 @@ docker compose up -d --build
 docker compose exec graph sh
 
 # Run tests inside the container
-docker compose exec graph php bin/phpunit
+docker compose exec graph vendor/bin/phpunit
 
 # Disable Xdebug for faster test runs
 XDEBUG_MODE=off docker compose up -d
diff --git a/composer.json b/composer.json
index fb90a4d..31c3718 100644
--- a/composer.json
+++ b/composer.json
@@ -29,9 +29,6 @@
         "phpunit/phpunit": "^11.5",
         "symfony/phpunit-bridge": "^7.4"
     },
-    "scripts": {
-        "test": "php bin/phpunit"
-    },
     "config": {
         "optimize-autoloader": true,
         "sort-packages": true,