diff --git a/packages/mermaid/src/diagrams/block/blockDB.ts b/packages/mermaid/src/diagrams/block/blockDB.ts
index f4881a203..e4c863c1d 100644
--- a/packages/mermaid/src/diagrams/block/blockDB.ts
+++ b/packages/mermaid/src/diagrams/block/blockDB.ts
@@ -1,9 +1,9 @@
-import type { DiagramDB } from '../../diagram-api/types.js';
-import type { BlockConfig, BlockType, Block, ClassDef } from './blockTypes.js';
-import * as configApi from '../../config.js';
-import { clear as commonClear } from '../common/commonDb.js';
-import { log } from '../../logger.js';
 import clone from 'lodash-es/clone.js';
+import * as configApi from '../../config.js';
+import type { DiagramDB } from '../../diagram-api/types.js';
+import { log } from '../../logger.js';
+import { clear as commonClear } from '../common/commonDb.js';
+import type { Block, ClassDef } from './blockTypes.js';
 
 // Initialize the node database for simple lookups
 let blockDatabase: Record<string, Block> = {};
diff --git a/packages/mermaid/src/diagrams/block/blockRenderer.ts b/packages/mermaid/src/diagrams/block/blockRenderer.ts
index 219c62854..e6289ad82 100644
--- a/packages/mermaid/src/diagrams/block/blockRenderer.ts
+++ b/packages/mermaid/src/diagrams/block/blockRenderer.ts
@@ -1,19 +1,17 @@
-import type { Diagram } from '../../Diagram.js';
-import * as configApi from '../../config.js';
-import { calculateBlockSizes, insertBlocks, insertEdges } from './renderHelpers.js';
-import { layout } from './layout.js';
-import type { MermaidConfig, BaseDiagramConfig } from '../../config.type.js';
-import insertMarkers from '../../dagre-wrapper/markers.js';
 import {
-  select as d3select,
   scaleOrdinal as d3scaleOrdinal,
   schemeTableau10 as d3schemeTableau10,
+  select as d3select,
 } from 'd3';
-import type { ContainerElement } from 'd3';
+import type { Diagram } from '../../Diagram.js';
+import * as configApi from '../../config.js';
+import type { MermaidConfig } from '../../config.type.js';
+import insertMarkers from '../../dagre-wrapper/markers.js';
 import { log } from '../../logger.js';
-import type { BlockDB } from './blockDB.js';
-import type { Block } from './blockTypes.js';
 import { configureSvgSize } from '../../setupGraphViewbox.js';
+import type { BlockDB } from './blockDB.js';
+import { layout } from './layout.js';
+import { calculateBlockSizes, insertBlocks, insertEdges } from './renderHelpers.js';
 
 /**
  * Returns the all the styles from classDef statements in the graph definition.
diff --git a/packages/mermaid/src/diagrams/block/renderHelpers.ts b/packages/mermaid/src/diagrams/block/renderHelpers.ts
index 38ef6c33e..c509ae198 100644
--- a/packages/mermaid/src/diagrams/block/renderHelpers.ts
+++ b/packages/mermaid/src/diagrams/block/renderHelpers.ts
@@ -1,15 +1,10 @@
-import { getStylesFromArray } from '../../utils.js';
-import { insertNode, positionNode } from '../../dagre-wrapper/nodes.js';
-import { insertEdge, insertEdgeLabel, positionEdgeLabel } from '../../dagre-wrapper/edges.js';
 import * as graphlib from 'dagre-d3-es/src/graphlib/index.js';
 import { getConfig } from '../../config.js';
-import type { ContainerElement } from 'd3';
-import type { Block } from './blockTypes.js';
+import { insertEdge, insertEdgeLabel, positionEdgeLabel } from '../../dagre-wrapper/edges.js';
+import { insertNode, positionNode } from '../../dagre-wrapper/nodes.js';
+import { getStylesFromArray } from '../../utils.js';
 import type { BlockDB } from './blockDB.js';
-
-interface Node {
-  classes: string;
-}
+import type { Block } from './blockTypes.js';
 
 function getNodeFromBlock(block: Block, db: BlockDB, positioned = false) {
   const vertex = block;