diff --git a/server/datastore/mysql/mysql.go b/server/datastore/mysql/mysql.go
index 7096be9448..c1d93e106b 100644
--- a/server/datastore/mysql/mysql.go
+++ b/server/datastore/mysql/mysql.go
@@ -1041,20 +1041,6 @@ func generateMysqlConnectionString(conf config.MysqlConfig) string {
 	return dsn
 }
 
-// isForeignKeyError checks if the provided error is a MySQL child foreign key
-// error (Error #1452)
-func isChildForeignKeyError(err error) bool {
-	err = ctxerr.Cause(err)
-	mysqlErr, ok := err.(*mysql.MySQLError)
-	if !ok {
-		return false
-	}
-
-	// https://dev.mysql.com/doc/refman/5.7/en/error-messages-server.html#error_er_no_referenced_row_2
-	const ER_NO_REFERENCED_ROW_2 = 1452
-	return mysqlErr.Number == ER_NO_REFERENCED_ROW_2
-}
-
 type patternReplacer func(string) string
 
 // likePattern returns a pattern to match m with LIKE.