diff --git a/packages/mermaid/src/diagrams/flowchart/flowDiagram-v3-unified.ts b/packages/mermaid/src/diagrams/flowchart/flowDiagram-v3-unified.ts
deleted file mode 100644
index 368a98cca..000000000
--- a/packages/mermaid/src/diagrams/flowchart/flowDiagram-v3-unified.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-// @ts-ignore: JISON doesn't support types
-import flowParser from './parser/flow.jison';
-import flowDb from './flowDb.js';
-import flowRendererV2 from './flowRenderer-v2.js';
-import flowStyles from './styles.js';
-import type { MermaidConfig } from '../../config.type.js';
-import { setConfig } from '../../diagram-api/diagramAPI.js';
-
-export const diagram = {
-  parser: flowParser,
-  db: flowDb,
-  renderer: flowRendererV2,
-  styles: flowStyles,
-  init: (cnf: MermaidConfig) => {
-    if (!cnf.flowchart) {
-      cnf.flowchart = {};
-    }
-    cnf.flowchart.arrowMarkerAbsolute = cnf.arrowMarkerAbsolute;
-    // flowchart-v2 uses dagre-wrapper, which doesn't have access to flowchart cnf
-    setConfig({ flowchart: { arrowMarkerAbsolute: cnf.arrowMarkerAbsolute } });
-    flowRendererV2.setConf(cnf.flowchart);
-    flowDb.clear();
-    flowDb.setGen('gen-2');
-  },
-};