diff --git a/robot/resources/lib/python_keywords/s3_gate_bucket.py b/robot/resources/lib/python_keywords/s3_gate_bucket.py
index c8073a0..0f9af21 100644
--- a/robot/resources/lib/python_keywords/s3_gate_bucket.py
+++ b/robot/resources/lib/python_keywords/s3_gate_bucket.py
@@ -4,6 +4,7 @@ import json
 import os
 import uuid
 from enum import Enum
+from time import sleep
 
 import boto3
 from data_formatters import pub_key_hex
@@ -23,10 +24,12 @@ urllib3.disable_warnings()
 
 ROBOT_AUTO_KEYWORDS = False
 CREDENTIALS_CREATE_TIMEOUT = '30s'
-
 NEOFS_EXEC = os.getenv('NEOFS_EXEC', 'neofs-authmate')
-ASSETS_DIR = os.getenv('ASSETS_DIR', 'TemporaryDir/')
 
+# Artificial delay that we add after object deletion and container creation
+# Delay is added because sometimes immediately after deletion object still appears
+# to be existing (probably because tombstone object takes some time to replicate)
+S3_SYNC_WAIT_TIME = 5
 
 class VersioningStatus(Enum):
     ENABLED = 'Enabled'
@@ -94,6 +97,7 @@ def create_bucket_s3(s3_client):
     try:
         s3_bucket = s3_client.create_bucket(Bucket=bucket_name)
         log_command_execution(f'Created S3 bucket {bucket_name}', s3_bucket)
+        sleep(S3_SYNC_WAIT_TIME)
         return bucket_name
 
     except ClientError as err:
@@ -123,7 +127,7 @@ def delete_bucket_s3(s3_client, bucket: str):
     try:
         response = s3_client.delete_bucket(Bucket=bucket)
         log_command_execution('S3 Delete bucket result', response)
-
+        sleep(S3_SYNC_WAIT_TIME)
         return response
 
     except ClientError as err:
diff --git a/robot/resources/lib/python_keywords/s3_gate_object.py b/robot/resources/lib/python_keywords/s3_gate_object.py
index 93b499b..b878407 100644
--- a/robot/resources/lib/python_keywords/s3_gate_object.py
+++ b/robot/resources/lib/python_keywords/s3_gate_object.py
@@ -3,6 +3,7 @@
 import os
 import uuid
 from enum import Enum
+from time import sleep
 from typing import Optional
 
 import urllib3
@@ -12,6 +13,7 @@ from robot.api.deco import keyword
 
 from cli_helpers import log_command_execution
 from python_keywords.aws_cli_client import AwsCliClient
+from python_keywords.s3_gate_bucket import S3_SYNC_WAIT_TIME
 
 ##########################################################
 # Disabling warnings on self-signed certificate which the
@@ -119,6 +121,7 @@ def delete_object_s3(s3_client, bucket, object_key, version_id: str = None):
             params['VersionId'] = version_id
         response = s3_client.delete_object(**params)
         log_command_execution('S3 Delete object result', response)
+        sleep(S3_SYNC_WAIT_TIME)
         return response
 
     except ClientError as err:
@@ -131,6 +134,7 @@ def delete_objects_s3(s3_client, bucket: str, object_keys: list):
     try:
         response = s3_client.delete_objects(Bucket=bucket, Delete=_make_objs_dict(object_keys))
         log_command_execution('S3 Delete objects result', response)
+        sleep(S3_SYNC_WAIT_TIME)
         return response
 
     except ClientError as err: