diff --git a/dom/media/MP3FrameParser.cpp b/dom/media/MP3FrameParser.cpp
index fad657ca97b..5a5a32da72e 100644
--- a/dom/media/MP3FrameParser.cpp
+++ b/dom/media/MP3FrameParser.cpp
@@ -337,11 +337,6 @@ nsresult MP3FrameParser::ParseBuffer(const uint8_t* aBuffer,
         // Found an ID3 header. We don't care about the body of the header, so
         // just skip past.
         buffer = ch + mID3Parser.GetHeaderLength() - (ID3_HEADER_LENGTH - 1);
-
-        if (buffer <= ch || buffer >= bufferEnd) {
-          return NS_ERROR_FAILURE;
-        }
-
         ch = buffer;
 
         mTotalID3Size += mID3Parser.GetHeaderLength();