diff --git a/core/base/include/6-2-7_sql_thesaurus_clean.sql b/core/base/include/6-2-7_sql_thesaurus_clean.sql
index 0464c06a9d..93aa80a08f 100644
--- a/core/base/include/6-2-7_sql_thesaurus_clean.sql
+++ b/core/base/include/6-2-7_sql_thesaurus_clean.sql
@@ -243,7 +243,6 @@ DELETE FROM "jer_dd" WHERE  "terminoID" = 'sv9';				DELETE FROM "matrix_descript
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'sy9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'sy9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'sy7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'sy7';
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'sz9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'sz9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'sz7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'sz7';
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'tc9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tc9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'tc7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tc7';
-DELETE FROM "jer_dd" WHERE  "terminoID" = 'tchi9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tchi9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'tchi7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tchi7';
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'td9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'td9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'td7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'td7';
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'technique9';			DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'technique9';			DELETE FROM "jer_dd" WHERE  "terminoID" = 'technique7';			DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'technique7';
 DELETE FROM "jer_dd" WHERE  "terminoID" = 'tf9';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tf9';				DELETE FROM "jer_dd" WHERE  "terminoID" = 'tf7';				DELETE FROM "matrix_descriptors_dd" WHERE  "parent" = 'tf7';