diff --git a/addons/hr_timesheet/models/project.py b/addons/hr_timesheet/models/project.py
index 69d19c4a340..80b79d8e2fa 100644
--- a/addons/hr_timesheet/models/project.py
+++ b/addons/hr_timesheet/models/project.py
@@ -96,7 +96,7 @@ class Task(models.Model):
 
     analytic_account_id = fields.Many2one('account.analytic.account', string="Analytic Account", related='project_id.analytic_account_id', readonly=True)
     allow_timesheets = fields.Boolean("Allow timesheets", compute='_compute_allow_timesheets', help="Timesheets can be logged on this task.")
-    remaining_hours = fields.Float("Remaining Hours", compute='_compute_remaining_hours', inverse='_inverse_remaining_hours', help="Total remaining time, can be re-estimated periodically by the assignee of the task.")
+    remaining_hours = fields.Float("Remaining Hours", compute='_compute_remaining_hours', store=True, readonly=True, help="Total remaining time, can be re-estimated periodically by the assignee of the task.")
     effective_hours = fields.Float("Hours Spent", compute='_compute_effective_hours', compute_sudo=True, store=True, help="Computed using the sum of the task work done.")
     total_hours_spent = fields.Float("Total Hours", compute='_compute_total_hours_spent', store=True, help="Computed as: Time Spent + Sub-tasks Hours.")
     progress = fields.Float("Progress", compute='_compute_progress_hours', store=True, group_operator="avg", help="Display progress of current task.")
@@ -130,11 +130,6 @@ class Task(models.Model):
         for task in self:
             task.remaining_hours = task.planned_hours - task.effective_hours - task.subtask_effective_hours
 
-    @api.onchange('remaining_hours')
-    def _inverse_remaining_hours(self):
-        for task in self:
-            task.planned_hours = task.remaining_hours + task.effective_hours + task.subtask_effective_hours
-
     @api.depends('effective_hours', 'subtask_effective_hours')
     def _compute_total_hours_spent(self):
         for task in self: