diff --git a/cypress/platform/knsv2.html b/cypress/platform/knsv2.html
index 968d04f72..de9780185 100644
--- a/cypress/platform/knsv2.html
+++ b/cypress/platform/knsv2.html
@@ -72,7 +72,7 @@ classDiagram
         Student "1" --o "1" IdCard : carries
         Student "1" --o "1" Bike : rides
     </pre>
-    <pre id="diagram" class="mermaid">
+    <pre id="diagram" class="mermaid2">
 mindmap
   root
     child1((Circle))
diff --git a/packages/mermaid/src/mermaid.spec.ts b/packages/mermaid/src/mermaid.spec.ts
index e3bc69448..8cf180ae7 100644
--- a/packages/mermaid/src/mermaid.spec.ts
+++ b/packages/mermaid/src/mermaid.spec.ts
@@ -48,32 +48,11 @@ describe('when using mermaid and ', function () {
       const node = document.createElement('div');
       node.appendChild(document.createTextNode('graph TD;\na;'));
 
-      await mermaid.initThrowsErrors(undefined, node);
+      mermaid.initThrowsErrors(undefined, node);
       // mermaidAPI.render function has been mocked, since it doesn't yet work
       // in Node.JS (only works in browser)
       expect(mermaidAPI.render).toHaveBeenCalled();
     });
-    it('should throw error (but still render) if lazyLoadedDiagram fails', async () => {
-      const node = document.createElement('div');
-      node.appendChild(document.createTextNode('graph TD;\na;'));
-
-      mermaidAPI.setConfig({
-        lazyLoadedDiagrams: ['this-file-does-not-exist.mjs'],
-      });
-      await expect(mermaid.initThrowsErrors(undefined, node)).rejects.toThrowError(
-        // this error message is probably different on every platform
-        // this one is just for vite-note (node/jest/browser may be different)
-        'Failed to load this-file-does-not-exist.mjs'
-      );
-
-      // should still render, even if lazyLoadedDiagrams fails
-      expect(mermaidAPI.render).toHaveBeenCalled();
-    });
-
-    afterEach(() => {
-      // we modify mermaid config in some tests, so we need to make sure to reset them
-      mermaidAPI.reset();
-    });
   });
 
   describe('checking validity of input ', function () {
diff --git a/packages/mermaid/src/mermaid.ts b/packages/mermaid/src/mermaid.ts
index 5867dc3b2..b1700253b 100644
--- a/packages/mermaid/src/mermaid.ts
+++ b/packages/mermaid/src/mermaid.ts
@@ -47,7 +47,13 @@ const init = async function (
   callback?: Function
 ) {
   try {
-    await initThrowsErrors(config, nodes, callback);
+    const conf = mermaidAPI.getConfig();
+    if (conf?.lazyLoadedDiagrams && conf.lazyLoadedDiagrams.length > 0) {
+      await registerLazyLoadedDiagrams(conf);
+      await initThrowsErrorsAsync(config, nodes, callback);
+    } else {
+      initThrowsErrors(config, nodes, callback);
+    }
   } catch (e) {
     log.warn('Syntax Error rendering');
     if (isDetailedError(e)) {
@@ -84,19 +90,7 @@ const handleError = (error: unknown, errors: DetailedError[], parseError?: Funct
     }
   }
 };
-/**
- * Equivalent to {@link init()}, except an error will be thrown on error.
- *
- * @param config - **Deprecated** Mermaid sequenceConfig.
- * @param nodes - One of:
- * - A DOM Node
- * - An array of DOM nodes (as would come from a jQuery selector)
- * - A W3C selector, a la `.mermaid` (default)
- * @param callback - Function that is called with the id of each generated mermaid diagram.
- *
- * @returns Resolves on success, otherwise the {@link Promise} will be rejected with an Error.
- */
-const initThrowsErrors = async function (
+const initThrowsErrors = function (
   config?: MermaidConfig,
   // eslint-disable-next-line no-undef
   nodes?: string | HTMLElement | NodeListOf<HTMLElement>,
@@ -110,24 +104,6 @@ const initThrowsErrors = async function (
     mermaid.sequenceConfig = config;
   }
 
-  const errors = [];
-
-  if (conf?.lazyLoadedDiagrams && conf.lazyLoadedDiagrams.length > 0) {
-    // Load all lazy loaded diagrams in parallel
-    const results = await Promise.allSettled(
-      conf.lazyLoadedDiagrams.map(async (diagram: string) => {
-        const { id, detector, loadDiagram } = await import(diagram);
-        addDetector(id, detector, loadDiagram);
-      })
-    );
-    for (const result of results) {
-      if (result.status == 'rejected') {
-        log.warn(`Failed to lazyLoadedDiagram due to `, result.reason);
-        errors.push(result.reason);
-      }
-    }
-  }
-
   // if last argument is a function this is the callback function
   log.debug(`${!callback ? 'No ' : ''}Callback function found`);
   let nodesToProcess: ArrayLike<HTMLElement>;
@@ -153,6 +129,7 @@ const initThrowsErrors = async function (
   const idGenerator = new utils.initIdGenerator(conf.deterministicIds, conf.deterministicIDSeed);
 
   let txt: string;
+  const errors: DetailedError[] = [];
 
   // element is the current div with mermaid class
   for (const element of Array.from(nodesToProcess)) {