diff --git a/packages/parser/src/parse.ts b/packages/parser/src/parse.ts
index 9688a4314..d61dfc8f2 100644
--- a/packages/parser/src/parse.ts
+++ b/packages/parser/src/parse.ts
@@ -44,18 +44,8 @@ export async function parse(parser: Parser, spectral: Spectral, asyncapi: Input,
 
   try {
     options = mergePatch<ParseOptions>(defaultOptions, options);
-    // Normalize input to always be JSON 
-    let loadedObj;
-    if (typeof asyncapi === 'string') {
-      try {
-        loadedObj = yaml.load(asyncapi);
-      } catch (e) {
-        loadedObj = JSON.parse(asyncapi);
-      }
-    } else {
-      loadedObj = asyncapi;
-    }
-    const { validated, diagnostics, extras } = await validate(parser, spectral, loadedObj, { ...options.validateOptions, source: options.source, __unstable: options.__unstable });
+
+    const { validated, diagnostics, extras } = await validate(parser, spectral, asyncapi, { ...options.validateOptions, source: options.source, __unstable: options.__unstable });
     if (validated === undefined) {
       return {
         document: undefined,
@@ -72,7 +62,7 @@ export async function parse(parser: Parser, spectral: Spectral, asyncapi: Input,
 
     // Apply unique ids which are used as part of iterating between channels <-> operations <-> messages
     applyUniqueIds(validatedDoc);
-    const detailed = createDetailedAsyncAPI(validatedDoc, loadedObj as DetailedAsyncAPI['input'], options.source);
+    const detailed = createDetailedAsyncAPI(validatedDoc, asyncapi as DetailedAsyncAPI['input'], options.source);
     const document = createAsyncAPIDocument(detailed);
     setExtension(xParserSpecParsed, true, document);
     setExtension(xParserApiVersion, ParserAPIVersion, document);