diff --git a/packages/mermaid/src/diagrams/flowchart/flowDetector copy.ts b/packages/mermaid/src/diagrams/flowchart/flowDetector copy.ts
deleted file mode 100644
index 3d09f36ae..000000000
--- a/packages/mermaid/src/diagrams/flowchart/flowDetector copy.ts	
+++ /dev/null
@@ -1,24 +0,0 @@
-import type { DiagramDetector } from '../../diagram-api/types';
-import type { ExternalDiagramDefinition } from '../../diagram-api/types';
-
-const id = 'flowchart';
-
-const detector: DiagramDetector = (txt, config) => {
-  // If we have confired to only use new flow charts this function shohuld always return false
-  // as in not signalling true for a legacy flowchart
-  if (config?.flowchart?.defaultRenderer === 'dagre-wrapper') return false;
-  return txt.match(/^\s*graph/) !== null;
-};
-
-const loader = async () => {
-  const { diagram } = await import('./flowDiagram');
-  return { id, diagram };
-};
-
-const plugin: ExternalDiagramDefinition = {
-  id,
-  detector,
-  loader,
-};
-
-export default plugin;