diff --git a/src/frostfs_testlib/s3/aws_cli_client.py b/src/frostfs_testlib/s3/aws_cli_client.py
index e9811a5..69a097b 100644
--- a/src/frostfs_testlib/s3/aws_cli_client.py
+++ b/src/frostfs_testlib/s3/aws_cli_client.py
@@ -489,6 +489,16 @@ class AwsCliClient(S3ClientWrapper):
         response = self._to_json(output)
         return response.get("Policy")
 
+    @reporter.step("Delete bucket policy")
+    def delete_bucket_policy(self, bucket: str) -> dict:
+        cmd = (
+            f"aws {self.common_flags} s3api delete-bucket-policy --bucket {bucket} "
+            f"--endpoint {self.s3gate_endpoint} --profile {self.profile}"
+        )
+        output = self.local_shell.exec(cmd).stdout
+        response = self._to_json(output)
+        return response
+
     @reporter.step("Put bucket policy")
     def put_bucket_policy(self, bucket: str, policy: dict) -> None:
         # Leaving it as is was in test repo. Double dumps to escape resulting string
diff --git a/src/frostfs_testlib/s3/boto3_client.py b/src/frostfs_testlib/s3/boto3_client.py
index 9801dbd..59da55a 100644
--- a/src/frostfs_testlib/s3/boto3_client.py
+++ b/src/frostfs_testlib/s3/boto3_client.py
@@ -246,6 +246,13 @@ class Boto3ClientWrapper(S3ClientWrapper):
         log_command_execution("S3 get_bucket_policy result", response)
         return response.get("Policy")
 
+    @reporter.step("Delete bucket policy")
+    @report_error
+    def delete_bucket_policy(self, bucket: str) -> str:
+        response = self.boto3_client.delete_bucket_policy(Bucket=bucket)
+        log_command_execution("S3 delete_bucket_policy result", response)
+        return response
+
     @reporter.step("Put bucket policy")
     @report_error
     def put_bucket_policy(self, bucket: str, policy: dict) -> None:
diff --git a/src/frostfs_testlib/s3/interfaces.py b/src/frostfs_testlib/s3/interfaces.py
index 6c2a8e5..8cfc2bb 100644
--- a/src/frostfs_testlib/s3/interfaces.py
+++ b/src/frostfs_testlib/s3/interfaces.py
@@ -152,6 +152,10 @@ class S3ClientWrapper(HumanReadableABC):
     def get_bucket_policy(self, bucket: str) -> str:
         """Returns the policy of a specified bucket."""
 
+    @abstractmethod
+    def delete_bucket_policy(self, bucket: str) -> str:
+        """Deletes the policy of a specified bucket."""
+
     @abstractmethod
     def put_bucket_policy(self, bucket: str, policy: dict) -> None:
         """Applies S3 bucket policy to an S3 bucket."""