diff --git a/internal/manager/api_impl/support_test.go b/internal/manager/api_impl/support_test.go
index bc145141..888bb12b 100644
--- a/internal/manager/api_impl/support_test.go
+++ b/internal/manager/api_impl/support_test.go
@@ -135,7 +135,6 @@ func testWorker() persistence.Worker {
 		UUID:               "e7632d62-c3b8-4af0-9e78-01752928952c",
 		Name:               "дрон",
 		Address:            "fe80::5054:ff:fede:2ad7",
-		LastActivity:       "",
 		Platform:           "linux",
 		Software:           "3.0",
 		Status:             api.WorkerStatusAwake,
diff --git a/internal/manager/api_impl/workers.go b/internal/manager/api_impl/workers.go
index 8e0fa43d..045a74fc 100644
--- a/internal/manager/api_impl/workers.go
+++ b/internal/manager/api_impl/workers.go
@@ -66,7 +66,6 @@ func (f *Flamenco) RegisterWorker(e echo.Context) error {
 		Uuid:               dbWorker.UUID,
 		Nickname:           dbWorker.Name,
 		Address:            dbWorker.Address,
-		LastActivity:       dbWorker.LastActivity,
 		Platform:           dbWorker.Platform,
 		Software:           dbWorker.Software,
 		Status:             dbWorker.Status,
diff --git a/internal/manager/persistence/jobs_test.go b/internal/manager/persistence/jobs_test.go
index faf32ec3..1a328172 100644
--- a/internal/manager/persistence/jobs_test.go
+++ b/internal/manager/persistence/jobs_test.go
@@ -307,7 +307,6 @@ func createWorker(ctx context.Context, t *testing.T, db *DB) *Worker {
 		UUID:               "f0a123a9-ab05-4ce2-8577-94802cfe74a4",
 		Name:               "дрон",
 		Address:            "fe80::5054:ff:fede:2ad7",
-		LastActivity:       "",
 		Platform:           "linux",
 		Software:           "3.0",
 		Status:             api.WorkerStatusAwake,
diff --git a/internal/manager/persistence/workers.go b/internal/manager/persistence/workers.go
index 82c8cdad..64cc2404 100644
--- a/internal/manager/persistence/workers.go
+++ b/internal/manager/persistence/workers.go
@@ -19,7 +19,6 @@ type Worker struct {
 	Name   string `gorm:"type:varchar(64);default:''"`
 
 	Address         string           `gorm:"type:varchar(39);default:'';index"` // 39 = max length of IPv6 address.
-	LastActivity    string           `gorm:"type:varchar(255);default:''"`
 	Platform        string           `gorm:"type:varchar(16);default:''"`
 	Software        string           `gorm:"type:varchar(32);default:''"`
 	Status          api.WorkerStatus `gorm:"type:varchar(16);default:''"`
diff --git a/internal/manager/persistence/workers_test.go b/internal/manager/persistence/workers_test.go
index 1eacda38..61977a25 100644
--- a/internal/manager/persistence/workers_test.go
+++ b/internal/manager/persistence/workers_test.go
@@ -21,7 +21,6 @@ func TestCreateFetchWorker(t *testing.T) {
 		UUID:               uuid.New(),
 		Name:               "дрон",
 		Address:            "fe80::5054:ff:fede:2ad7",
-		LastActivity:       "",
 		Platform:           "linux",
 		Software:           "3.0",
 		Status:             api.WorkerStatusAwake,
@@ -39,7 +38,6 @@ func TestCreateFetchWorker(t *testing.T) {
 	assert.Equal(t, w.UUID, fetchedWorker.UUID)
 	assert.Equal(t, w.Name, fetchedWorker.Name)
 	assert.Equal(t, w.Address, fetchedWorker.Address)
-	assert.Equal(t, w.LastActivity, fetchedWorker.LastActivity)
 	assert.Equal(t, w.Platform, fetchedWorker.Platform)
 	assert.Equal(t, w.Software, fetchedWorker.Software)
 	assert.Equal(t, w.Status, fetchedWorker.Status)
@@ -55,7 +53,6 @@ func TestSaveWorker(t *testing.T) {
 		UUID:               uuid.New(),
 		Name:               "дрон",
 		Address:            "fe80::5054:ff:fede:2ad7",
-		LastActivity:       "",
 		Platform:           "linux",
 		Software:           "3.0",
 		Status:             api.WorkerStatusAwake,
@@ -73,7 +70,6 @@ func TestSaveWorker(t *testing.T) {
 	updatedWorker := *fetchedWorker
 	updatedWorker.Name = "7 မှ 9"
 	updatedWorker.Address = "fe80::cafe:f00d"
-	updatedWorker.LastActivity = "Rendering"
 	updatedWorker.Platform = "windows"
 	updatedWorker.Software = "3.1"
 	updatedWorker.Status = api.WorkerStatusAsleep
@@ -119,7 +115,6 @@ func TestFetchWorkers(t *testing.T) {
 		UUID:               uuid.New(),
 		Name:               "дрон",
 		Address:            "fe80::5054:ff:fede:2ad7",
-		LastActivity:       "",
 		Platform:           "linux",
 		Software:           "3.0",
 		Status:             api.WorkerStatusAwake,
@@ -139,7 +134,6 @@ func TestFetchWorkers(t *testing.T) {
 		UUID:               uuid.New(),
 		Name:               "очиститель окон",
 		Address:            "fe80::c000:d000:::3",
-		LastActivity:       "nothing",
 		Platform:           "windows",
 		Software:           "3.0",
 		Status:             api.WorkerStatusOffline,