diff --git a/src/backend/commands/sequence.c b/src/backend/commands/sequence.c
index 6aab73bfd4..2710937904 100644
--- a/src/backend/commands/sequence.c
+++ b/src/backend/commands/sequence.c
@@ -701,13 +701,10 @@ nextval_internal(Oid relid, bool check_permissions)
 					break;		/* stop fetching */
 				if (!cycle)
 				{
-					char		buf[100];
-
-					snprintf(buf, sizeof(buf), INT64_FORMAT, maxv);
 					ereport(ERROR,
 							(errcode(ERRCODE_SEQUENCE_GENERATOR_LIMIT_EXCEEDED),
-							 errmsg("nextval: reached maximum value of sequence \"%s\" (%s)",
-									RelationGetRelationName(seqrel), buf)));
+							 errmsg("nextval: reached maximum value of sequence \"%s\" (" INT64_FORMAT ")",
+									RelationGetRelationName(seqrel), maxv)));
 				}
 				next = minv;
 			}
@@ -724,13 +721,10 @@ nextval_internal(Oid relid, bool check_permissions)
 					break;		/* stop fetching */
 				if (!cycle)
 				{
-					char		buf[100];
-
-					snprintf(buf, sizeof(buf), INT64_FORMAT, minv);
 					ereport(ERROR,
 							(errcode(ERRCODE_SEQUENCE_GENERATOR_LIMIT_EXCEEDED),
-							 errmsg("nextval: reached minimum value of sequence \"%s\" (%s)",
-									RelationGetRelationName(seqrel), buf)));
+							 errmsg("nextval: reached minimum value of sequence \"%s\" (" INT64_FORMAT ")",
+									RelationGetRelationName(seqrel), minv)));
 				}
 				next = maxv;
 			}
diff --git a/src/include/commands/sequence.h b/src/include/commands/sequence.h
index e2638abf0e..66debfc5cd 100644
--- a/src/include/commands/sequence.h
+++ b/src/include/commands/sequence.h
@@ -55,15 +55,15 @@ extern int64 nextval_internal(Oid relid, bool check_permissions);
 extern Datum nextval(PG_FUNCTION_ARGS);
 extern List *sequence_options(Oid relid);
 
-extern ObjectAddress DefineSequence(ParseState *pstate, CreateSeqStmt *stmt);
+extern ObjectAddress DefineSequence(ParseState *pstate, CreateSeqStmt *seq);
 extern ObjectAddress AlterSequence(ParseState *pstate, AlterSeqStmt *stmt);
 extern void DeleteSequenceTuple(Oid relid);
 extern void ResetSequence(Oid seq_relid);
 extern void ResetSequenceCaches(void);
 
-extern void seq_redo(XLogReaderState *rptr);
+extern void seq_redo(XLogReaderState *record);
 extern void seq_desc(StringInfo buf, XLogReaderState *rptr);
 extern const char *seq_identify(uint8 info);
-extern void seq_mask(char *pagedata, BlockNumber blkno);
+extern void seq_mask(char *page, BlockNumber blkno);
 
 #endif							/* SEQUENCE_H */