diff --git a/cypress/integration/rendering/sankey.spec.js b/cypress/integration/rendering/sankey.spec.js
index 7a3ffa5db..eb25edf0f 100644
--- a/cypress/integration/rendering/sankey.spec.js
+++ b/cypress/integration/rendering/sankey.spec.js
@@ -10,6 +10,5 @@ describe('Sankey Diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 });
diff --git a/demos/sankey.html b/demos/sankey.html
index 3dc7a2332..72ca84e44 100644
--- a/demos/sankey.html
+++ b/demos/sankey.html
@@ -95,9 +95,6 @@
         theme: 'default',
         logLevel: 3,
         securityLevel: 'loose',
-        flowchart: { curve: 'basis' },
-        gantt: { axisFormat: '%m/%d/%Y' },
-        sequence: { actorMargin: 50 },
         sankey: {
           title: 'Hey, this is Sankey-Beta',
           width: 1200,
diff --git a/packages/mermaid/src/diagrams/sankey/sankeyDetector.ts b/packages/mermaid/src/diagrams/sankey/sankeyDetector.ts
index 1045d7021..73c4d1428 100644
--- a/packages/mermaid/src/diagrams/sankey/sankeyDetector.ts
+++ b/packages/mermaid/src/diagrams/sankey/sankeyDetector.ts
@@ -3,7 +3,7 @@ import type { DiagramDetector, ExternalDiagramDefinition } from '../../diagram-a
 const id = 'sankey';
 
 const detector: DiagramDetector = (txt) => {
-  return txt.match(/^\s*sankey-beta/) !== null;
+  return /^\s*sankey-beta/.test(txt);
 };
 
 const loader = async () => {