diff --git a/packages/mermaid-layout-tidy-tree/src/layout.ts b/packages/mermaid-layout-tidy-tree/src/layout.ts
index 0f2e24930..669d65d59 100644
--- a/packages/mermaid-layout-tidy-tree/src/layout.ts
+++ b/packages/mermaid-layout-tidy-tree/src/layout.ts
@@ -1,12 +1,13 @@
+import type { LayoutData, MermaidConfig } from 'mermaid';
+import type { Bounds, Point } from 'mermaid/src/types.js';
 import { BoundingBox, Layout } from 'non-layered-tidy-tree-layout';
-import type { MermaidConfig, LayoutData } from 'mermaid';
 import type {
-  LayoutResult,
-  TidyTreeNode,
-  PositionedNode,
-  PositionedEdge,
-  Node,
   Edge,
+  LayoutResult,
+  Node,
+  PositionedEdge,
+  PositionedNode,
+  TidyTreeNode,
 } from './types.js';
 
 /**
@@ -46,29 +47,18 @@ export function executeTidyTreeLayout(
 
       let leftResult = null;
       let rightResult = null;
-      let leftBoundingBox = null;
-      let rightBoundingBox = null;
 
       if (leftTree) {
         const leftLayoutResult = layout.layout(leftTree);
         leftResult = leftLayoutResult.result;
-        leftBoundingBox = leftLayoutResult.boundingBox;
       }
 
       if (rightTree) {
         const rightLayoutResult = layout.layout(rightTree);
         rightResult = rightLayoutResult.result;
-        rightBoundingBox = rightLayoutResult.boundingBox;
       }
 
-      const positionedNodes = combineAndPositionTrees(
-        rootNode,
-        leftResult,
-        rightResult,
-        leftBoundingBox,
-        rightBoundingBox,
-        data
-      );
+      const positionedNodes = combineAndPositionTrees(rootNode, leftResult, rightResult);
       const positionedEdges = calculateEdgePositions(
         data.edges,
         positionedNodes,
@@ -202,10 +192,7 @@ function convertNodeToTidyTreeTransposed(
 function combineAndPositionTrees(
   rootNode: TidyTreeNode,
   leftResult: TidyTreeNode | null,
-  rightResult: TidyTreeNode | null,
-  _leftBoundingBox: any,
-  _rightBoundingBox: any,
-  _data: LayoutData
+  rightResult: TidyTreeNode | null
 ): PositionedNode[] {
   const positionedNodes: PositionedNode[] = [];
 
@@ -383,9 +370,9 @@ function positionRightTreeBidirectional(
  * @returns The intersection point
  */
 function computeCircleEdgeIntersection(
-  circle: { x: number; y: number; width: number; height: number },
-  lineStart: { x: number; y: number },
-  lineEnd: { x: number; y: number }
+  circle: Bounds,
+  lineStart: Point,
+  lineEnd: Point
 ): { x: number; y: number } {
   const radius = Math.min(circle.width, circle.height) / 2;
 
diff --git a/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts b/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
index 66259157e..c14fe26e0 100644
--- a/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
@@ -4,7 +4,6 @@ import { sanitizeText } from '../../diagrams/common/common.js';
 import { log } from '../../logger.js';
 import type { MindmapNode } from './mindmapTypes.js';
 import defaultConfig from '../../defaultConfig.js';
-
 import type { LayoutData, Node, Edge } from '../../rendering-util/types.js';
 
 // Extend Node type for mindmap-specific properties
diff --git a/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts b/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
index 26482ca60..910bc740b 100644
--- a/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
@@ -6,27 +6,9 @@ import { getRegisteredLayoutAlgorithm, render } from '../../rendering-util/rende
 import { setupViewPortForSVG } from '../../rendering-util/setupViewPortForSVG.js';
 import type { LayoutData } from '../../rendering-util/types.js';
 import type { FilledMindMapNode } from './mindmapTypes.js';
-import { drawNode } from './svgDraw.js';
 import defaultConfig from '../../defaultConfig.js';
 import type { MindmapDB } from './mindmapDb.js';
 
-async function _drawNodes(
-  db: MindmapDB,
-  svg: any,
-  mindmap: FilledMindMapNode,
-  section: number,
-  conf: any
-) {
-  await drawNode(db, svg, mindmap, section, conf);
-  if (mindmap.children) {
-    await Promise.all(
-      mindmap.children.map((child, index) =>
-        _drawNodes(db, svg, child, section < 0 ? index : section, conf)
-      )
-    );
-  }
-}
-
 /**
  * Update the layout data with actual node dimensions after drawing
  */
@@ -42,9 +24,7 @@ function _updateNodeDimensions(data4Layout: LayoutData, mindmapRoot: FilledMindM
     }
 
     // Recursively update children
-    if (node.children) {
-      node.children.forEach(updateNode);
-    }
+    node.children?.forEach(updateNode);
   };
 
   updateNode(mindmapRoot);
@@ -81,20 +61,16 @@ export const draw: DrawDefinition = async (text, id, _version, diagObj) => {
     return;
   }
   data4Layout.nodes.forEach((node) => {
+    node.from = 'mindmap';
     if (node.shape === 'rounded') {
       node.radius = 15;
       node.taper = 15;
       node.stroke = 'none';
-      node.from = 'mindmap';
     } else if (node.shape === 'rect') {
       node.height = 46;
       node.width = 92;
-      node.from = 'mindmap';
-    } else if (node.shape === 'circle') {
-      node.from = 'mindmap';
     }
   });
-
   // Use the unified rendering system
   await render(data4Layout, svg);
   // Setup the view box and size of the svg element
diff --git a/packages/mermaid/src/rendering-util/layout-algorithms/cose-bilkent/layout.test.ts b/packages/mermaid/src/rendering-util/layout-algorithms/cose-bilkent/layout.test.ts
index 6b7dfdf83..66ee311c3 100644
--- a/packages/mermaid/src/rendering-util/layout-algorithms/cose-bilkent/layout.test.ts
+++ b/packages/mermaid/src/rendering-util/layout-algorithms/cose-bilkent/layout.test.ts
@@ -1,4 +1,9 @@
 import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { validateLayoutData, executeCoseBilkentLayout } from './layout.js';
+import type { LayoutResult } from './types.js';
+import type { MindmapNode } from '../../../diagrams/mindmap/mindmapTypes.js';
+import type { MermaidConfig } from '../../../config.type.js';
+import type { LayoutData } from '../../types.js';
 
 // Mock cytoscape and cytoscape-cose-bilkent before importing the modules
 vi.mock('cytoscape', () => {
@@ -74,13 +79,6 @@ vi.mock('d3', () => ({
   })),
 }));
 
-// Import modules after mocks
-import { validateLayoutData, executeCoseBilkentLayout } from './layout.js';
-import type { LayoutResult } from './types.js';
-import type { MindmapNode } from '../../../diagrams/mindmap/mindmapTypes.js';
-import type { MermaidConfig } from '../../../config.type.js';
-import type { LayoutData } from '../../types.js';
-
 describe('Cose-Bilkent Layout Algorithm', () => {
   let mockConfig: MermaidConfig;
   let mockRootNode: MindmapNode;
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/edges.js b/packages/mermaid/src/rendering-util/rendering-elements/edges.js
index 9833f65ac..3292b3811 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/edges.js
+++ b/packages/mermaid/src/rendering-util/rendering-elements/edges.js
@@ -485,7 +485,6 @@ export const insertEdge = function (elem, edge, clusterDb, diagramType, startNod
   }
 
   let lineData = points.filter((p) => !Number.isNaN(p.y));
-  //lineData = adjustForArrowHeads(lineData);
   lineData = fixCorners(lineData);
   let curve = curveBasis;
   curve = curveLinear;