diff --git a/content/posts/2024/2024-02-05-tomcat-11-virtual-threads/class-diagram-mermaid.md b/content/posts/2024/2024-02-05-tomcat-11-virtual-threads/class-diagram-mermaid.md
deleted file mode 100644
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--- a/content/posts/2024/2024-02-05-tomcat-11-virtual-threads/class-diagram-mermaid.md
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@@ -1,35 +0,0 @@
-```mermaid
-classDiagram
-namespace Tomcat {
-    class Executor{
-        <<interface>>
-        execute(runnable: Runnable)
-    }
-    class StandardThreadExecutor
-    class StandardVirtualThreadExecutor
-
-    class VirtualThreadExecutor {
-        - threadBuilder: Thread.Builder
-    }
-    class ThreadPoolExecutor {
-        - workQueue: BlockingQueue<Runnable>
-        - workers: Set<Thead>
-    }
-
-}
-
-namespace JDK {
-    class AbstractExecutorService {
-        execute(runnable: Runnable)
-    }
-}
-
-Executor <|.. StandardThreadExecutor
-Executor <|.. StandardVirtualThreadExecutor
-
-StandardVirtualThreadExecutor --> VirtualThreadExecutor
-VirtualThreadExecutor ..|> AbstractExecutorService
-
-StandardThreadExecutor --> ThreadPoolExecutor
-ThreadPoolExecutor ..|> AbstractExecutorService
-```
\ No newline at end of file