diff --git a/src/prebid.js b/src/prebid.js
index 0eaccf5a8a6..04e1bedf2f9 100644
--- a/src/prebid.js
+++ b/src/prebid.js
@@ -194,7 +194,6 @@ function validateAdUnitPos(adUnit, mediaType) {
     let warning = `Value of property 'pos' on ad unit ${adUnit.code} should be of type: Number`;
 
     logWarn(warning);
-    events.emit(EVENTS.AUCTION_DEBUG, { type: 'WARNING', arguments: warning });
     delete adUnit.mediaTypes[mediaType].pos;
   }