diff --git a/sa/_db/migrations/20210211174900_DropTableChallenges.sql b/sa/_db/migrations/20210211174900_DropTableChallenges.sql
deleted file mode 100644
index f1b8cc80916..00000000000
--- a/sa/_db/migrations/20210211174900_DropTableChallenges.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-
--- +goose Up
--- SQL in section 'Up' is executed when this migration is applied
-
-DROP TABLE `challenges`;
-
--- +goose Down
--- SQL section 'Down' is executed when this migration is rolled back
-
-CREATE TABLE `challenges` (
-  `id` bigint(20) NOT NULL AUTO_INCREMENT,
-  `authorizationID` varchar(255) NOT NULL,
-  `LockCol` bigint(20) DEFAULT NULL,
-  `type` varchar(255) NOT NULL,
-  `status` varchar(255) NOT NULL,
-  `error` mediumblob DEFAULT NULL,
-  `validated` datetime DEFAULT NULL,
-  `token` varchar(255) NOT NULL,
-  `validationRecord` mediumblob DEFAULT NULL,
-  `keyAuthorization` varchar(255) DEFAULT NULL,
-  PRIMARY KEY (`id`),
-  KEY `authorizationID_challenges_idx` (`authorizationID`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
diff --git a/sa/_db/migrations/20210223130000_DropTableCrls.sql b/sa/_db/migrations/20210223130000_DropTableCrls.sql
deleted file mode 100644
index 557f806cbb3..00000000000
--- a/sa/_db/migrations/20210223130000_DropTableCrls.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-
--- +goose Up
--- SQL in section 'Up' is executed when this migration is applied
-
-DROP TABLE `crls`;
-
--- +goose Down
--- SQL section 'Down' is executed when this migration is rolled back
-
-CREATE TABLE `crls` (
-  `serial` varchar(255) NOT NULL,
-  `createdAt` datetime NOT NULL,
-  `crl` varchar(255) NOT NULL,
-  PRIMARY KEY (`serial`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-