diff --git a/pytest_tests/testsuites/services/http_gate/test_http_system_header.py b/pytest_tests/testsuites/services/http_gate/test_http_system_header.py
index 13ac78a..a821b54 100644
--- a/pytest_tests/testsuites/services/http_gate/test_http_system_header.py
+++ b/pytest_tests/testsuites/services/http_gate/test_http_system_header.py
@@ -6,15 +6,16 @@ from typing import Optional
 import allure
 import pytest
 from container import create_container
-from epoch import get_epoch
+from epoch import align_epochs, get_epoch
 from file_helper import generate_file
+from grpc_responses import OBJECT_NOT_FOUND
 from http_gate import (
     attr_into_str_header_curl,
     get_object_and_verify_hashes,
     try_to_get_object_and_expect_error,
     upload_via_http_gate_curl,
 )
-from python_keywords.neofs_verbs import get_netmap_netinfo, head_object
+from python_keywords.neofs_verbs import get_netmap_netinfo, get_object_from_random_node, head_object
 from wellknown_acl import PUBLIC_ACL
 
 from steps.cluster_test_base import ClusterTestBase
@@ -230,12 +231,19 @@ class Test_http_system_header(ClusterTestBase):
                 get_epoch(self.shell, self.cluster) == expected_epoch + 1
             ), f"Epochs should be equal: {get_epoch(self.shell, self.cluster)} != {expected_epoch + 1}"
 
-            try_to_get_object_and_expect_error(
-                cid=user_container,
-                oid=oid,
-                error_pattern="404 Not Found",
-                endpoint=self.cluster.default_http_gate_endpoint,
-            )
+            with allure.step("Check object deleted because it expires-on epoch"):
+                align_epochs(self.shell, self.cluster)
+                try_to_get_object_and_expect_error(
+                    cid=user_container,
+                    oid=oid,
+                    error_pattern="404 Not Found",
+                    endpoint=self.cluster.default_http_gate_endpoint,
+                )
+                # check that object is not available via grpc
+                with pytest.raises(Exception, match=OBJECT_NOT_FOUND):
+                    get_object_from_random_node(
+                        self.wallet, user_container, oid, self.shell, self.cluster
+                    )
 
     @allure.title(
         f"priority of attributes duration>timestamp, duration time has higher priority and should be converted {EXPIRATION_EPOCH_HEADER}"
@@ -277,12 +285,19 @@ class Test_http_system_header(ClusterTestBase):
                 get_epoch(self.shell, self.cluster) == expected_epoch + 1
             ), f"Epochs should be equal: {get_epoch(self.shell, self.cluster)} != {expected_epoch + 1}"
 
-            try_to_get_object_and_expect_error(
-                cid=user_container,
-                oid=oid,
-                error_pattern="404 Not Found",
-                endpoint=self.cluster.default_http_gate_endpoint,
-            )
+            with allure.step("Check object deleted because it expires-on epoch"):
+                align_epochs(self.shell, self.cluster)
+                try_to_get_object_and_expect_error(
+                    cid=user_container,
+                    oid=oid,
+                    error_pattern="404 Not Found",
+                    endpoint=self.cluster.default_http_gate_endpoint,
+                )
+                # check that object is not available via grpc
+                with pytest.raises(Exception, match=OBJECT_NOT_FOUND):
+                    get_object_from_random_node(
+                        self.wallet, user_container, oid, self.shell, self.cluster
+                    )
 
     @allure.title(
         f"priority of attributes timestamp>Expiration-RFC, timestamp has higher priority and should be converted {EXPIRATION_EPOCH_HEADER}"
@@ -324,12 +339,19 @@ class Test_http_system_header(ClusterTestBase):
                 get_epoch(self.shell, self.cluster) == expected_epoch + 1
             ), f"Epochs should be equal: {get_epoch(self.shell, self.cluster)} != {expected_epoch + 1}"
 
-            try_to_get_object_and_expect_error(
-                cid=user_container,
-                oid=oid,
-                error_pattern="404 Not Found",
-                endpoint=self.cluster.default_http_gate_endpoint,
-            )
+            with allure.step("Check object deleted because it expires-on epoch"):
+                align_epochs(self.shell, self.cluster)
+                try_to_get_object_and_expect_error(
+                    cid=user_container,
+                    oid=oid,
+                    error_pattern="404 Not Found",
+                    endpoint=self.cluster.default_http_gate_endpoint,
+                )
+                # check that object is not available via grpc
+                with pytest.raises(Exception, match=OBJECT_NOT_FOUND):
+                    get_object_from_random_node(
+                        self.wallet, user_container, oid, self.shell, self.cluster
+                    )
 
     @allure.title("Test that object is automatically delete when expiration passed")
     @pytest.mark.parametrize(
@@ -368,9 +390,17 @@ class Test_http_system_header(ClusterTestBase):
             assert (
                 get_epoch(self.shell, self.cluster) == expected_epoch + 1
             ), f"Epochs should be equal: {get_epoch(self.shell, self.cluster)} != {expected_epoch + 1}"
-            try_to_get_object_and_expect_error(
-                cid=user_container,
-                oid=oid,
-                error_pattern="404 Not Found",
-                endpoint=self.cluster.default_http_gate_endpoint,
-            )
+
+            with allure.step("Check object deleted because it expires-on epoch"):
+                align_epochs(self.shell, self.cluster)
+                try_to_get_object_and_expect_error(
+                    cid=user_container,
+                    oid=oid,
+                    error_pattern="404 Not Found",
+                    endpoint=self.cluster.default_http_gate_endpoint,
+                )
+                # check that object is not available via grpc
+                with pytest.raises(Exception, match=OBJECT_NOT_FOUND):
+                    get_object_from_random_node(
+                        self.wallet, user_container, oid, self.shell, self.cluster
+                    )
diff --git a/robot/resources/lib/python_keywords/epoch.py b/robot/resources/lib/python_keywords/epoch.py
index bcd8029..4315aa3 100644
--- a/robot/resources/lib/python_keywords/epoch.py
+++ b/robot/resources/lib/python_keywords/epoch.py
@@ -15,6 +15,7 @@ from neofs_testlib.cli import NeofsAdm, NeofsCli, NeoGo
 from neofs_testlib.shell import Shell
 from neofs_testlib.utils.wallet import get_last_address_from_wallet
 from payment_neogo import get_contract_hash
+from test_control import wait_for_success
 from utility import parse_time
 
 logger = logging.getLogger("NeoLogger")
@@ -33,15 +34,28 @@ def ensure_fresh_epoch(
     return epoch
 
 
+@allure.step("Align epochs for the whole cluster")
+@wait_for_success(60, 5)
+def align_epochs(shell: Shell, cluster: Cluster) -> bool:
+    epochs = []
+    for node in cluster.storage_nodes:
+        epochs.append(get_epoch(shell, cluster, node))
+    unique_epochs = list(set(epochs))
+    assert (
+        len(unique_epochs) == 1
+    ), f"unaligned epochs found,  {epochs}, count of unique epochs {len(unique_epochs)}"
+
+
 @allure.step("Get Epoch")
 def get_epoch(shell: Shell, cluster: Cluster, alive_node: Optional[StorageNode] = None):
     alive_node = alive_node if alive_node else cluster.storage_nodes[0]
+    endpoint = alive_node.get_rpc_endpoint()
     wallet_path = alive_node.get_wallet_path()
     wallet_config = alive_node.get_wallet_config_path()
 
     cli = NeofsCli(shell=shell, neofs_cli_exec_path=NEOFS_CLI_EXEC, config_file=wallet_config)
 
-    epoch = cli.netmap.epoch(cluster.default_rpc_endpoint, wallet_path)
+    epoch = cli.netmap.epoch(endpoint, wallet_path)
     return int(epoch.stdout)