diff --git a/.changeset/sixty-knives-do.md b/.changeset/sixty-knives-do.md
new file mode 100644
index 00000000..15c20153
--- /dev/null
+++ b/.changeset/sixty-knives-do.md
@@ -0,0 +1,5 @@
+---
+"@theoplayer/cmcd-connector-web": minor
+---
+
+Disable CMCD for HESP requests
diff --git a/cmcd/src/CMCDCollector.ts b/cmcd/src/CMCDCollector.ts
index ffa286e7..e0a775ec 100644
--- a/cmcd/src/CMCDCollector.ts
+++ b/cmcd/src/CMCDCollector.ts
@@ -59,7 +59,7 @@ export class CMCDCollector {
      */
     private handleCurrentSourceChange_ = (event: CurrentSourceChangeEvent) => {
         const currentSource = event.currentSource;
-        if (!currentSource) {
+        if (!currentSource || currentSource.type === 'application/vnd.theo.hesp+json') {
             this._streamingFormat = undefined;
         } else {
             this._streamingFormat = getStreamingFormatFromTypedSource(currentSource);
@@ -138,9 +138,13 @@ export class CMCDCollector {
     /**
      * Collects all the CMCD parameters as supported by the connector depending on the provided {@link Request}.
      * @param request The request for which CMCD parameters should be collected.
-     * @returns A payload object containing keys for the provided request.
+     * @returns A payload object containing keys for the provided request or `undefined` if CMCD is not applicable for
+     * this request
      */
-    collect(request: Request): CMCDPayload {
+    collect(request: Request): CMCDPayload | undefined {
+        if (this._streamingFormat === undefined) {
+            return;
+        }
         const sessionKeys = this.collectSessionKeys();
         const requestKeys = this._config.sendRequestID
             ? {
diff --git a/cmcd/src/CMCDConnector.ts b/cmcd/src/CMCDConnector.ts
index 9721bd88..20643e26 100644
--- a/cmcd/src/CMCDConnector.ts
+++ b/cmcd/src/CMCDConnector.ts
@@ -62,6 +62,9 @@ export class CMCDConnector {
         }
 
         let payload = this._collector.collect(request);
+        if (payload === undefined) {
+            return;
+        }
         if (this._processor) {
             payload = this._processor(payload, request);
         }