diff --git a/migrations/201606240001_devices_defaults_down.sql b/migrations/201606240001_devices_defaults_down.sql
index b51a931d..40783291 100644
--- a/migrations/201606240001_devices_defaults_down.sql
+++ b/migrations/201606240001_devices_defaults_down.sql
@@ -1,11 +1,9 @@
 ALTER TABLE devices
-  ALTER COLUMN last_query_response DROP NOT NULL,
   ALTER COLUMN build_version DROP NOT NULL,
   ALTER COLUMN product_name DROP NOT NULL,
   ALTER COLUMN os_version DROP NOT NULL;
 
 ALTER TABLE devices
-  ALTER COLUMN last_query_response DROP DEFAULT,
   ALTER COLUMN build_version DROP DEFAULT,
   ALTER COLUMN product_name DROP DEFAULT,
   ALTER COLUMN os_version DROP DEFAULT;
diff --git a/migrations/201606240001_devices_defaults_up.sql b/migrations/201606240001_devices_defaults_up.sql
index 6698be8e..247e0494 100644
--- a/migrations/201606240001_devices_defaults_up.sql
+++ b/migrations/201606240001_devices_defaults_up.sql
@@ -1,17 +1,13 @@
-UPDATE devices SET last_query_response = '{}' WHERE last_query_response IS NULL;
 UPDATE devices SET build_version = '' WHERE build_version IS NULL;
 UPDATE devices SET product_name = '' WHERE product_name IS NULL;
 UPDATE devices SET os_version = '' WHERE os_version IS NULL;
 
 ALTER TABLE devices
-    ALTER COLUMN last_query_response SET DEFAULT '{}',
     ALTER COLUMN build_version SET DEFAULT '',
     ALTER COLUMN product_name SET DEFAULT '',
     ALTER COLUMN os_version SET DEFAULT '';
 
 ALTER TABLE devices
-  ALTER COLUMN last_query_response SET NOT NULL,
   ALTER COLUMN build_version SET NOT NULL,
   ALTER COLUMN product_name SET NOT NULL,
   ALTER COLUMN os_version SET NOT NULL;
-