diff --git a/src/include/access/tupdesc.h b/src/include/access/tupdesc.h
index d88bdcec84..93546ce585 100644
--- a/src/include/access/tupdesc.h
+++ b/src/include/access/tupdesc.h
@@ -25,8 +25,6 @@ typedef struct attrDefault
 	char	   *adbin;			/* nodeToString representation of expr */
 } AttrDefault;
 
-typedef struct attrMissing *MissingPtr;
-
 typedef struct constrCheck
 {
 	char	   *ccname;
@@ -40,7 +38,7 @@ typedef struct tupleConstr
 {
 	AttrDefault *defval;		/* array */
 	ConstrCheck *check;			/* array */
-	MissingPtr	missing;		/* missing attributes values, NULL if none */
+	struct attrMissing *missing;		/* missing attributes values, NULL if none */
 	uint16		num_defval;
 	uint16		num_check;
 	bool		has_not_null;