diff --git a/addons/crm_iap_lead/models/__init__.py b/addons/crm_iap_lead/models/__init__.py
index d529ee24678..1ac91ddbc0c 100644
--- a/addons/crm_iap_lead/models/__init__.py
+++ b/addons/crm_iap_lead/models/__init__.py
@@ -4,3 +4,4 @@ from . import crm_lead
 from . import crm_iap_lead
 from . import crm_iap_lead_helpers
 from . import crm_iap_lead_mining_request
+from . import ir_model_fields
diff --git a/addons/crm_iap_lead/models/ir_model_fields.py b/addons/crm_iap_lead/models/ir_model_fields.py
new file mode 100644
index 00000000000..06a7fb6eeb0
--- /dev/null
+++ b/addons/crm_iap_lead/models/ir_model_fields.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details
+
+from odoo import models
+
+
+class IrModelFields(models.Model):
+    _inherit = 'ir.model.fields'
+
+    def unlink(self):
+        # Nasty hack to prevent the deletion of shared field reveal_id
+        self = self.filtered(
+            lambda rec: not (
+                rec.model == 'crm.lead'
+                and rec.name == 'reveal_id'
+            )
+        )
+        return super(IrModelFields, self).unlink()
diff --git a/addons/crm_iap_lead_enrich/models/__init__.py b/addons/crm_iap_lead_enrich/models/__init__.py
index dcb5aa3d8a4..f1f911179a4 100644
--- a/addons/crm_iap_lead_enrich/models/__init__.py
+++ b/addons/crm_iap_lead_enrich/models/__init__.py
@@ -4,3 +4,4 @@
 from . import crm_lead
 from . import iap_enrich_api
 from . import res_config_settings
+from . import ir_model_fields
diff --git a/addons/crm_iap_lead_enrich/models/ir_model_fields.py b/addons/crm_iap_lead_enrich/models/ir_model_fields.py
new file mode 100644
index 00000000000..06a7fb6eeb0
--- /dev/null
+++ b/addons/crm_iap_lead_enrich/models/ir_model_fields.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details
+
+from odoo import models
+
+
+class IrModelFields(models.Model):
+    _inherit = 'ir.model.fields'
+
+    def unlink(self):
+        # Nasty hack to prevent the deletion of shared field reveal_id
+        self = self.filtered(
+            lambda rec: not (
+                rec.model == 'crm.lead'
+                and rec.name == 'reveal_id'
+            )
+        )
+        return super(IrModelFields, self).unlink()