diff --git a/db/fixes/15_07_21.sql b/db/fixes/15_07_21.sql
deleted file mode 100644
index cb2eac0b86daa9433c27d4794707e8d7137d3ed9..0000000000000000000000000000000000000000
--- a/db/fixes/15_07_21.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
-SET time_zone = "+00:00";
-
-
-/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
-/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
-/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
-/*!40101 SET NAMES utf8 */;
-
-ALTER TABLE students_groups DROP IsStudyLeave;
-ALTER TABLE students_groups ADD `State` enum('common', 'outlet', 'expulsion', 'leave') NOT NULL DEFAULT 'common';
diff --git a/db/fixes/15_07_28.sql b/db/fixes/15_07_28.sql
deleted file mode 100644
index 2fc3c9f3a3b138e025388627339ec05bd7c99d71..0000000000000000000000000000000000000000
--- a/db/fixes/15_07_28.sql
+++ /dev/null
@@ -1,56 +0,0 @@
-SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
-SET time_zone = "+00:00";
-
-
-/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
-/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
-/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
-/*!40101 SET NAMES utf8 */;
-
-CREATE TABLE IF NOT EXISTS `logs_binds_students` (
-  `ID` int(11) NOT NULL AUTO_INCREMENT,
-  `DisciplineID` int(11) NOT NULL,
-  `TeacherID` int(11) NOT NULL,
-  `StudentID` int(11) NOT NULL,
-  `Date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  `Type` enum('attach','detach') NOT NULL,
-  PRIMARY KEY (`ID`),
-  KEY `TeacherID` (`TeacherID`),
-  KEY `DisciplineID` (`DisciplineID`),
-  KEY `StudentID` (`StudentID`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
-
-
---
--- Структура таблицы `logs_binds_groups`
---
-CREATE TABLE IF NOT EXISTS `logs_binds_groups` (
-  `ID` int(11) NOT NULL AUTO_INCREMENT,
-  `DisciplineID` int(11) NOT NULL,
-  `TeacherID` int(11) NOT NULL,
-  `GroupID` int(11) NOT NULL,
-  `Date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  `Type` enum('attach','detach') NOT NULL,
-  PRIMARY KEY (`ID`),
-  KEY `TeacherID` (`TeacherID`),
-  KEY `DisciplineID` (`DisciplineID`),
-  KEY `GroupID` (`GroupID`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
-
-
---
--- Ограничения внешнего ключа таблицы `logs_binds_students`
---
-ALTER TABLE `logs_binds_students`
-  ADD CONSTRAINT `logs_binds_students_ibfk_3` FOREIGN KEY (`StudentID`) REFERENCES `students` (`ID`),
-  ADD CONSTRAINT `logs_binds_students_ibfk_1` FOREIGN KEY (`DisciplineID`) REFERENCES `disciplines` (`ID`),
-  ADD CONSTRAINT `logs_binds_students_ibfk_2` FOREIGN KEY (`TeacherID`) REFERENCES `teachers` (`ID`);
-
-
---
--- Ограничения внешнего ключа таблицы `logs_binds_groups`
---
-ALTER TABLE `logs_binds_groups`
-  ADD CONSTRAINT `logs_binds_groups_ibfk_3` FOREIGN KEY (`GroupID`) REFERENCES `study_groups` (`ID`),
-  ADD CONSTRAINT `logs_binds_groups_ibfk_1` FOREIGN KEY (`DisciplineID`) REFERENCES `disciplines` (`ID`),
-  ADD CONSTRAINT `logs_binds_groups_ibfk_2` FOREIGN KEY (`TeacherID`) REFERENCES `teachers` (`ID`);
diff --git a/db/fixes/15_09_01.sql b/db/fixes/15_09_01.sql
deleted file mode 100644
index 7c290ddb3e40112807888b8a6120f894e5b9134f..0000000000000000000000000000000000000000
--- a/db/fixes/15_09_01.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-DROP TABLE IF EXISTS `compound_disciplines`;
-
-CREATE TABLE IF NOT EXISTS `compound_disciplines` (
-  `ID` int(11) NOT NULL AUTO_INCREMENT,
-  `Name` varchar(200) CHARACTER SET utf8 NULL DEFAULT 'Курс по выбору',
-  `GradeID` int(11) NOT NULL,
-  `SpecializationID` int(11) NOT NULL,
-  PRIMARY KEY (`ID`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-
-
-ALTER TABLE `disciplines`
-  ADD `CompoundDiscID` INT(11) DEFAULT NULL,
-  ADD KEY `CompoundDiscID` (`CompoundDiscID`);
-
-ALTER TABLE `disciplines`
-  ADD CONSTRAINT `disciplines_ibfk_6` FOREIGN KEY (`CompoundDiscID`) REFERENCES `compound_disciplines` (`ID`);
-
-ALTER TABLE `compound_disciplines`
-  ADD CONSTRAINT `compound_disciplines_ibfk_1` FOREIGN KEY (`SpecializationID`) REFERENCES `specializations` (`ID`),
-  ADD CONSTRAINT `compound_disciplines_ibfk_2` FOREIGN KEY (`GradeID`) REFERENCES `grades` (`ID`);
-
-
diff --git a/db/fixes/15_09_02.sql b/db/fixes/15_09_02.sql
deleted file mode 100644
index da1dc52fd36443ec5b1cb8fd6bb119bd57550874..0000000000000000000000000000000000000000
--- a/db/fixes/15_09_02.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-alter table students_groups drop key StudentID_2;
-alter table students_groups add UNIQUE KEY `StudentID_2` (`StudentID`, `SemesterID`);