diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9739131d19..b11efc6952 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Update direct paging docs by @vadimkerr ([#2600](https://github.com/grafana/oncall/pull/2600))
 - Improve APIs for creating/updating direct paging integrations by @vadimkerr ([#2603](https://github.com/grafana/oncall/pull/2603))
+- Remove unnecessary team checks in public API by @vadimkerr ([#2606](https://github.com/grafana/oncall/pull/2606))
 
 ### Fixed
 
diff --git a/engine/apps/public_api/serializers/escalation_policies.py b/engine/apps/public_api/serializers/escalation_policies.py
index 0db6797c31..87e1719fa5 100644
--- a/engine/apps/public_api/serializers/escalation_policies.py
+++ b/engine/apps/public_api/serializers/escalation_policies.py
@@ -109,18 +109,6 @@ def validate_type(self, step_type):
 
         return step_type
 
-    def validate_action_to_trigger(self, action_to_trigger):
-        if action_to_trigger.team != self.escalation_chain.team:
-            raise BadRequest(detail="Action must be assigned to the same team as the escalation chain")
-
-        return action_to_trigger
-
-    def validate_notify_on_call_from_schedule(self, schedule):
-        if schedule.team != self.escalation_chain.team:
-            raise BadRequest(detail="Schedule must be assigned to the same team as the escalation chain")
-
-        return schedule
-
     def create(self, validated_data):
         validated_data = self._correct_validated_data(validated_data)
         return super().create(validated_data)
diff --git a/engine/apps/public_api/serializers/routes.py b/engine/apps/public_api/serializers/routes.py
index de15f448dc..45698232d3 100644
--- a/engine/apps/public_api/serializers/routes.py
+++ b/engine/apps/public_api/serializers/routes.py
@@ -115,21 +115,6 @@ def _update_notification_backends(self, notification_backends):
                 notification_backends[backend_id] = current.get(backend_id, {}) | notification_backends[backend_id]
         return notification_backends
 
-    def validate_escalation_chain_id(self, escalation_chain):
-        if escalation_chain is None:
-            return escalation_chain
-        if self.instance is not None:
-            alert_receive_channel = self.instance.alert_receive_channel
-        else:
-            alert_receive_channel = AlertReceiveChannel.objects.get(
-                public_primary_key=self.initial_data["integration_id"]
-            )
-
-        if escalation_chain.team != alert_receive_channel.team:
-            raise BadRequest(detail="Escalation chain must be assigned to the same team as the integration")
-
-        return escalation_chain
-
 
 class RoutingTypeField(fields.CharField):
     def to_representation(self, value):
diff --git a/engine/apps/public_api/serializers/schedules_calendar.py b/engine/apps/public_api/serializers/schedules_calendar.py
index 5cecce89b9..c47ec31e08 100644
--- a/engine/apps/public_api/serializers/schedules_calendar.py
+++ b/engine/apps/public_api/serializers/schedules_calendar.py
@@ -35,17 +35,7 @@ class Meta:
         }
 
     def validate_shifts(self, shifts):
-        # Get team_id from instance, if it exists, otherwise get it from initial data.
-        if self.instance and self.instance.team:
-            team_id = self.instance.team.public_primary_key
-        else:
-            # Terraform sends empty string instead of None. In this case change team_id value to None.
-            team_id = self.initial_data.get("team_id") or None
-
         for shift in shifts:
-            shift_team_id = shift.team.public_primary_key if shift.team else None
-            if shift_team_id != team_id:
-                raise BadRequest(detail="Shifts must be assigned to the same team as the schedule")
             if shift.type == CustomOnCallShift.TYPE_OVERRIDE:
                 raise BadRequest(detail="Shifts of type override are not supported in this schedule")
 
diff --git a/engine/apps/public_api/serializers/schedules_web.py b/engine/apps/public_api/serializers/schedules_web.py
index d1c892543f..b1bb98e2f5 100644
--- a/engine/apps/public_api/serializers/schedules_web.py
+++ b/engine/apps/public_api/serializers/schedules_web.py
@@ -6,7 +6,6 @@
     schedule_notify_about_gaps_in_schedule,
 )
 from common.api_helpers.custom_fields import TeamPrimaryKeyRelatedField, UsersFilteredByOrganizationField
-from common.api_helpers.exceptions import BadRequest
 from common.timezones import TimeZoneField
 
 
@@ -31,16 +30,6 @@ class Meta:
             "shifts",
         ]
 
-    def validate_shifts(self, shifts):
-        # Get team_id from instance, if it exists, otherwise get it from initial data.
-        # Handle empty string instead of None. In this case change team_id value to None.
-        team_id = self.instance.team_id if self.instance else (self.initial_data.get("team_id") or None)
-        for shift in shifts:
-            if shift.team_id != team_id:
-                raise BadRequest(detail="Shifts must be assigned to the same team as the schedule")
-
-        return shifts
-
     def to_internal_value(self, data):
         if data.get("shifts", []) is None:  # handle a None value
             data["shifts"] = []
diff --git a/terraform/README.md b/terraform/README.md
index 3b848c9f8f..ae4de0ec02 100644
--- a/terraform/README.md
+++ b/terraform/README.md
@@ -53,6 +53,7 @@ check [Readme](https://github.com/grafana/terraform-provider-grafana/blob/master
       dev_overrides {
           "grafana/grafana" = "/path/to/your/grafana/terraform-provider" # this path is the directory where the binary is built
       }
+   }
     ```
 
 1. Create a new directory and a `main.tf` file with the following content: