diff --git a/docs/config/setup/modules/config.md b/docs/config/setup/modules/config.md
index afe0af456..d41da484c 100644
--- a/docs/config/setup/modules/config.md
+++ b/docs/config/setup/modules/config.md
@@ -6,25 +6,15 @@
 
 # Module: config
 
-## Type Aliases
-
-### MermaidConfigWithDefaults
-
-Ƭ **MermaidConfigWithDefaults**: `RequiredDeep`<`MermaidConfig`>
-
-#### Defined in
-
-[config.ts:10](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L10)
-
 ## Variables
 
 ### defaultConfig
 
-• `Const` **defaultConfig**: `MermaidConfig`
+• `Const` **defaultConfig**: `RequiredDeep`<`MermaidConfig`>
 
 #### Defined in
 
-[config.ts:12](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L12)
+[config.ts:9](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L9)
 
 ## Functions
 
@@ -46,13 +36,13 @@ Pushes in a directive to the configuration
 
 #### Defined in
 
-[config.ts:192](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L192)
+[config.ts:189](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L189)
 
 ---
 
 ### getConfig
 
-▸ **getConfig**(): `RequiredObjectDeep`<`MermaidConfig`>
+▸ **getConfig**(): `MermaidConfig`
 
 ## getConfig
 
@@ -64,13 +54,13 @@ Pushes in a directive to the configuration
 
 #### Returns
 
-`RequiredObjectDeep`<`MermaidConfig`>
+`MermaidConfig`
 
 The currentConfig
 
 #### Defined in
 
-[config.ts:135](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L135)
+[config.ts:132](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L132)
 
 ---
 
@@ -94,7 +84,7 @@ The siteConfig
 
 #### Defined in
 
-[config.ts:100](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L100)
+[config.ts:97](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L97)
 
 ---
 
@@ -128,7 +118,7 @@ The siteConfig
 
 #### Defined in
 
-[config.ts:222](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L222)
+[config.ts:219](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L219)
 
 ---
 
@@ -157,7 +147,7 @@ options in-place
 
 #### Defined in
 
-[config.ts:150](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L150)
+[config.ts:147](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L147)
 
 ---
 
@@ -177,7 +167,7 @@ options in-place
 
 #### Defined in
 
-[config.ts:79](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L79)
+[config.ts:76](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L76)
 
 ---
 
@@ -209,7 +199,7 @@ The currentConfig merged with the sanitized conf
 
 #### Defined in
 
-[config.ts:117](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L117)
+[config.ts:114](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L114)
 
 ---
 
@@ -242,7 +232,7 @@ The new siteConfig
 
 #### Defined in
 
-[config.ts:65](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L65)
+[config.ts:62](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L62)
 
 ---
 
@@ -263,7 +253,7 @@ The new siteConfig
 
 #### Defined in
 
-[config.ts:19](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L19)
+[config.ts:16](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L16)
 
 ---
 
@@ -283,4 +273,4 @@ The new siteConfig
 
 #### Defined in
 
-[config.ts:83](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L83)
+[config.ts:80](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L80)
diff --git a/docs/config/setup/modules/mermaidAPI.md b/docs/config/setup/modules/mermaidAPI.md
index 0fa7dec02..bc82d83db 100644
--- a/docs/config/setup/modules/mermaidAPI.md
+++ b/docs/config/setup/modules/mermaidAPI.md
@@ -31,7 +31,7 @@ Renames and re-exports [mermaidAPI](mermaidAPI.md#mermaidapi)
 
 ### mermaidAPI
 
-• `Const` **mermaidAPI**: `Readonly`<{ `defaultConfig`: `MermaidConfig` = configApi.defaultConfig; `getConfig`: () => `RequiredObjectDeep`<`MermaidConfig`> = configApi.getConfig; `getDiagramFromText`: (`text`: `string`, `metadata`: `Pick`<`DiagramMetadata`, `"title"`>) => `Promise`<`Diagram`> ; `getSiteConfig`: () => `MermaidConfig` = configApi.getSiteConfig; `globalReset`: () => `void` ; `initialize`: (`options`: `MermaidConfig`) => `void` ; `parse`: (`text`: `string`, `parseOptions?`: [`ParseOptions`](../interfaces/mermaidAPI.ParseOptions.md)) => `Promise`<`boolean`> ; `render`: (`id`: `string`, `text`: `string`, `svgContainingElement?`: `Element`) => `Promise`<[`RenderResult`](../interfaces/mermaidAPI.RenderResult.md)> ; `reset`: () => `void` ; `setConfig`: (`conf`: `MermaidConfig`) => `MermaidConfig` = configApi.setConfig; `updateSiteConfig`: (`conf`: `MermaidConfig`) => `MermaidConfig` = configApi.updateSiteConfig }>
+• `Const` **mermaidAPI**: `Readonly`<{ `defaultConfig`: `RequiredObjectDeep`<`MermaidConfig`> = configApi.defaultConfig; `getConfig`: () => `MermaidConfig` = configApi.getConfig; `getDiagramFromText`: (`text`: `string`, `metadata`: `Pick`<`DiagramMetadata`, `"title"`>) => `Promise`<`Diagram`> ; `getSiteConfig`: () => `MermaidConfig` = configApi.getSiteConfig; `globalReset`: () => `void` ; `initialize`: (`options`: `MermaidConfig`) => `void` ; `parse`: (`text`: `string`, `parseOptions?`: [`ParseOptions`](../interfaces/mermaidAPI.ParseOptions.md)) => `Promise`<`boolean`> ; `render`: (`id`: `string`, `text`: `string`, `svgContainingElement?`: `Element`) => `Promise`<[`RenderResult`](../interfaces/mermaidAPI.RenderResult.md)> ; `reset`: () => `void` ; `setConfig`: (`conf`: `MermaidConfig`) => `MermaidConfig` = configApi.setConfig; `updateSiteConfig`: (`conf`: `MermaidConfig`) => `MermaidConfig` = configApi.updateSiteConfig }>
 
 ## mermaidAPI configuration defaults
 
diff --git a/packages/mermaid/src/config.ts b/packages/mermaid/src/config.ts
index f11788126..8d4968d39 100644
--- a/packages/mermaid/src/config.ts
+++ b/packages/mermaid/src/config.ts
@@ -6,10 +6,7 @@ import type { MermaidConfig } from './config.type.js';
 import { sanitizeDirective } from './utils/sanitizeDirective.js';
 import type { RequiredDeep } from 'type-fest';
 
-// I'd prefer this to be named MermaidConfig, so all the functions can use the shorter name.
-export type MermaidConfigWithDefaults = RequiredDeep<MermaidConfig>;
-
-export const defaultConfig: MermaidConfig = Object.freeze(config);
+export const defaultConfig: RequiredDeep<MermaidConfig> = Object.freeze(config);
 
 let siteConfig: MermaidConfig = assignWithDepth({}, defaultConfig);
 let configFromInitialize: MermaidConfig;
@@ -132,7 +129,7 @@ export const setConfig = (conf: MermaidConfig): MermaidConfig => {
  *
  * @returns The currentConfig
  */
-export const getConfig = (): MermaidConfigWithDefaults => {
+export const getConfig = (): MermaidConfig => {
   return assignWithDepth({}, currentConfig);
 };
 /**
diff --git a/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts b/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
index 2a55a9f7b..1cead9cfd 100644
--- a/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
@@ -3,6 +3,7 @@ import type { D3Element } from '../../mermaidAPI.js';
 import { sanitizeText } from '../../diagrams/common/common.js';
 import { log } from '../../logger.js';
 import type { MindmapNode } from './mindmapTypes.js';
+import { defaultConfig } from '../../config.js';
 
 let nodes: MindmapNode[] = [];
 let cnt = 0;
@@ -31,7 +32,7 @@ const getMindmap = () => {
 const addNode = (level: number, id: string, descr: string, type: number) => {
   log.info('addNode', level, id, descr, type);
   const conf = getConfig();
-  let padding: number = conf.mindmap.padding;
+  let padding: number = conf.mindmap?.padding ?? defaultConfig.mindmap.padding;
   switch (type) {
     case nodeType.ROUNDED_RECT:
     case nodeType.RECT:
@@ -46,7 +47,7 @@ const addNode = (level: number, id: string, descr: string, type: number) => {
     descr: sanitizeText(descr, conf),
     type,
     children: [],
-    width: conf.mindmap?.maxNodeWidth ?? 200,
+    width: conf.mindmap?.maxNodeWidth ?? defaultConfig.mindmap.maxNodeWidth,
     padding,
   } satisfies MindmapNode;
 
diff --git a/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts b/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
index c0c7485ba..af748e164 100644
--- a/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapRenderer.ts
@@ -2,7 +2,6 @@ import cytoscape from 'cytoscape';
 // @ts-expect-error No types available
 import coseBilkent from 'cytoscape-cose-bilkent';
 import { select } from 'd3';
-import type { MermaidConfigWithDefaults } from '../../config.js';
 import type { MermaidConfig } from '../../config.type.js';
 import { getConfig } from '../../diagram-api/diagramAPI.js';
 import type { DrawDefinition } from '../../diagram-api/types.js';
@@ -12,6 +11,7 @@ import { selectSvgElement } from '../../rendering-util/selectSvgElement.js';
 import { setupGraphViewbox } from '../../setupGraphViewbox.js';
 import type { FilledMindMapNode, MindmapDB, MindmapNode } from './mindmapTypes.js';
 import { drawNode, positionNode } from './svgDraw.js';
+import { defaultConfig } from '../../config.js';
 
 // Inject the layout algorithm into cytoscape
 cytoscape.use(coseBilkent);
@@ -21,7 +21,7 @@ function drawNodes(
   svg: D3Element,
   mindmap: FilledMindMapNode,
   section: number,
-  conf: MermaidConfigWithDefaults
+  conf: MermaidConfig
 ) {
   drawNode(db, svg, mindmap, section, conf);
   if (mindmap.children) {
@@ -99,10 +99,7 @@ function addNodes(mindmap: MindmapNode, cy: cytoscape.Core, conf: MermaidConfig,
   }
 }
 
-function layoutMindmap(
-  node: MindmapNode,
-  conf: MermaidConfigWithDefaults
-): Promise<cytoscape.Core> {
+function layoutMindmap(node: MindmapNode, conf: MermaidConfig): Promise<cytoscape.Core> {
   return new Promise((resolve) => {
     // Add temporary render element
     const renderEl = select('body').append('div').attr('id', 'cy').attr('style', 'display:none');
@@ -160,17 +157,17 @@ function positionNodes(db: MindmapDB, cy: cytoscape.Core) {
 }
 
 export const draw: DrawDefinition = async (text, id, _version, diagObj) => {
-  const conf = getConfig();
-  const db = diagObj.db as MindmapDB;
-  conf.htmlLabels = false;
-
   log.debug('Rendering mindmap diagram\n' + text);
 
+  const db = diagObj.db as MindmapDB;
   const mm = db.getMindmap();
   if (!mm) {
     return;
   }
 
+  const conf = getConfig();
+  conf.htmlLabels = false;
+
   const svg = selectSvgElement(id);
 
   // Draw the graph and start with drawing the nodes without proper position
@@ -191,7 +188,12 @@ export const draw: DrawDefinition = async (text, id, _version, diagObj) => {
   positionNodes(db, cy);
 
   // Setup the view box and size of the svg element
-  setupGraphViewbox(undefined, svg, conf.mindmap.padding, conf.mindmap.useMaxWidth);
+  setupGraphViewbox(
+    undefined,
+    svg,
+    conf.mindmap?.padding ?? defaultConfig.mindmap.padding,
+    conf.mindmap?.useMaxWidth ?? defaultConfig.mindmap.useMaxWidth
+  );
 };
 
 export default {
diff --git a/packages/mermaid/src/diagrams/mindmap/styles.ts b/packages/mermaid/src/diagrams/mindmap/styles.ts
index cf435a721..fffa6e4d9 100644
--- a/packages/mermaid/src/diagrams/mindmap/styles.ts
+++ b/packages/mermaid/src/diagrams/mindmap/styles.ts
@@ -1,7 +1,8 @@
 // @ts-expect-error Incorrect khroma types
 import { darken, lighten, isDark } from 'khroma';
+import type { DiagramStylesProvider } from '../../diagram-api/types.js';
 
-const genSections = (options: any) => {
+const genSections: DiagramStylesProvider = (options) => {
   let sections = '';
 
   for (let i = 0; i < options.THEME_COLOR_LIMIT; i++) {
@@ -51,7 +52,7 @@ const genSections = (options: any) => {
 };
 
 // TODO: These options seem incorrect.
-const getStyles = (options: any) =>
+const getStyles: DiagramStylesProvider = (options) =>
   `
   .edge {
     stroke-width: 3;
diff --git a/packages/mermaid/src/diagrams/mindmap/svgDraw.ts b/packages/mermaid/src/diagrams/mindmap/svgDraw.ts
index a7d4679bc..3c7da8615 100644
--- a/packages/mermaid/src/diagrams/mindmap/svgDraw.ts
+++ b/packages/mermaid/src/diagrams/mindmap/svgDraw.ts
@@ -1,9 +1,9 @@
 import type { D3Element } from '../../mermaidAPI.js';
 import { createText } from '../../rendering-util/createText.js';
 import type { FilledMindMapNode, MindmapDB } from './mindmapTypes.js';
-import type { MermaidConfigWithDefaults } from '../../config.js';
 import type { Point } from '../../types.js';
 import { parseFontSize } from '../../utils.js';
+import type { MermaidConfig } from '../../config.type.js';
 
 const MAX_SECTIONS = 12;
 
@@ -180,7 +180,7 @@ export const drawNode = function (
   elem: D3Element,
   node: FilledMindMapNode,
   fullSection: number,
-  conf: MermaidConfigWithDefaults
+  conf: MermaidConfig
 ): number {
   const htmlLabels = conf.htmlLabels;
   const section = fullSection % (MAX_SECTIONS - 1);