diff --git a/src/include/access/xlogreader.h b/src/include/access/xlogreader.h
index 9738462d3c9..dfabbbd57d4 100644
--- a/src/include/access/xlogreader.h
+++ b/src/include/access/xlogreader.h
@@ -145,7 +145,6 @@ typedef struct
 	bool		has_data;
 	char	   *data;
 	uint16		data_len;
-	uint16		data_bufsz;
 } DecodedBkpBlock;
 
 /*