diff --git a/src/backend/utils/adt/regproc.c b/src/backend/utils/adt/regproc.c
index a0079821fe..ebc087ed3f 100644
--- a/src/backend/utils/adt/regproc.c
+++ b/src/backend/utils/adt/regproc.c
@@ -1680,43 +1680,6 @@ text_regclass(PG_FUNCTION_ARGS)
 }
 
 
-/*
- * Given a C string, parse it into a qualified-name list.
- */
-List *
-stringToQualifiedNameList(const char *string)
-{
-	char	   *rawname;
-	List	   *result = NIL;
-	List	   *namelist;
-	ListCell   *l;
-
-	/* We need a modifiable copy of the input string. */
-	rawname = pstrdup(string);
-
-	if (!SplitIdentifierString(rawname, '.', &namelist))
-		ereport(ERROR,
-				(errcode(ERRCODE_INVALID_NAME),
-				 errmsg("invalid name syntax")));
-
-	if (namelist == NIL)
-		ereport(ERROR,
-				(errcode(ERRCODE_INVALID_NAME),
-				 errmsg("invalid name syntax")));
-
-	foreach(l, namelist)
-	{
-		char	   *curname = (char *) lfirst(l);
-
-		result = lappend(result, makeString(pstrdup(curname)));
-	}
-
-	pfree(rawname);
-	list_free(namelist);
-
-	return result;
-}
-
 /*****************************************************************************
  *	 SUPPORT ROUTINES														 *
  *****************************************************************************/
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
index a5e812d026..1846ddcae8 100644
--- a/src/backend/utils/adt/varlena.c
+++ b/src/backend/utils/adt/varlena.c
@@ -3219,26 +3219,19 @@ name_text(PG_FUNCTION_ARGS)
 	PG_RETURN_TEXT_P(cstring_to_text(NameStr(*s)));
 }
 
-
 /*
- * textToQualifiedNameList - convert a text object to list of names
- *
- * This implements the input parsing needed by nextval() and other
- * functions that take a text parameter representing a qualified name.
- * We split the name at dots, downcase if not double-quoted, and
- * truncate names if they're too long.
+ * Given a C string, parse it into a qualified-name list.
  */
 List *
-textToQualifiedNameList(text *textval)
+stringToQualifiedNameList(const char *string)
 {
 	char	   *rawname;
 	List	   *result = NIL;
 	List	   *namelist;
 	ListCell   *l;
 
-	/* Convert to C string (handles possible detoasting). */
-	/* Note we rely on being able to modify rawname below. */
-	rawname = text_to_cstring(textval);
+	/* We need a modifiable copy of the input string. */
+	rawname = pstrdup(string);
 
 	if (!SplitIdentifierString(rawname, '.', &namelist))
 		ereport(ERROR,
@@ -3263,6 +3256,31 @@ textToQualifiedNameList(text *textval)
 	return result;
 }
 
+
+/*
+ * textToQualifiedNameList - convert a text object to list of names
+ *
+ * This implements the input parsing needed by nextval() and other
+ * functions that take a text parameter representing a qualified name.
+ * We split the name at dots, downcase if not double-quoted, and
+ * truncate names if they're too long.
+ */
+List *
+textToQualifiedNameList(text *textval)
+{
+	char	   *rawname;
+	List	   *result = NIL;
+
+	/* Convert to C string (handles possible detoasting). */
+	/* Note we rely on being able to modify rawname below. */
+	rawname = text_to_cstring(textval);
+
+	result = stringToQualifiedNameList(rawname);
+	pfree(rawname);
+
+	return result;
+}
+
 /*
  * SplitIdentifierString --- parse a string containing identifiers
  *
diff --git a/src/include/utils/regproc.h b/src/include/utils/regproc.h
index 5b9a8cbee8..ace74ed49f 100644
--- a/src/include/utils/regproc.h
+++ b/src/include/utils/regproc.h
@@ -15,7 +15,6 @@
 
 #include "nodes/pg_list.h"
 
-extern List *stringToQualifiedNameList(const char *string);
 extern char *format_procedure(Oid procedure_oid);
 extern char *format_procedure_qualified(Oid procedure_oid);
 extern void format_procedure_parts(Oid operator_oid, List **objnames,
diff --git a/src/include/utils/varlena.h b/src/include/utils/varlena.h
index c776931bc4..a51c84beb3 100644
--- a/src/include/utils/varlena.h
+++ b/src/include/utils/varlena.h
@@ -26,6 +26,7 @@ extern int varstr_levenshtein_less_equal(const char *source, int slen,
 							  const char *target, int tlen,
 							  int ins_c, int del_c, int sub_c,
 							  int max_d, bool trusted);
+extern List *stringToQualifiedNameList(const char *string);
 extern List *textToQualifiedNameList(text *textval);
 extern bool SplitIdentifierString(char *rawstring, char separator,
 					  List **namelist);