diff --git a/projects/etos_suite_runner/pyproject.toml b/projects/etos_suite_runner/pyproject.toml
index 78f7d2e..6f541a0 100644
--- a/projects/etos_suite_runner/pyproject.toml
+++ b/projects/etos_suite_runner/pyproject.toml
@@ -18,8 +18,8 @@ requires-python = ">=3.13"
 dependencies = [
     "packageurl-python~=0.11",
     "cryptography>=42.0.4,<43.0.0",
-    "etos_lib==5.1.4",
-    "etos_environment_provider==5.3.4",
+    "etos_lib==5.1.6",
+    "etos_environment_provider==5.3.6",
     "opentelemetry-api~=1.21",
     "opentelemetry-exporter-otlp~=1.21",
     "opentelemetry-sdk~=1.21",
diff --git a/projects/etos_suite_runner/src/etos_suite_runner/lib/suite.py b/projects/etos_suite_runner/src/etos_suite_runner/lib/suite.py
index 54680c6..5a76915 100644
--- a/projects/etos_suite_runner/src/etos_suite_runner/lib/suite.py
+++ b/projects/etos_suite_runner/src/etos_suite_runner/lib/suite.py
@@ -17,13 +17,12 @@
 
 import json
 import logging
-import os
 import threading
 import time
 from typing import Iterator, Union
 
 import opentelemetry
-from eiffellib.events import EiffelEnvironmentDefinedEvent, EiffelTestSuiteStartedEvent
+from eiffellib.events import EiffelTestSuiteStartedEvent
 from environment_provider.environment import release_environment
 from environment_provider.lib.registry import ProviderRegistry
 from etos_lib import ETOS
@@ -339,16 +338,6 @@ def _sub_suite_environments_from_kubernetes(self) -> Iterator[dict]:
                 if environment.spec.sub_suite_id in environments:
                     continue
 
-                # Send eiffel event for the ETR.
-                event = EiffelEnvironmentDefinedEvent()
-                event.meta.event_id = environment.metadata.name
-                url = f"{os.getenv('ETOS_API')}/v1alpha/testrun/{environment.metadata.name}"
-                self.etos.events.send(
-                    event,
-                    {"CONTEXT": self.test_suite_started_id},
-                    {"name": environment.spec.name, "uri": url},
-                )
-
                 environments.append(environment.spec.sub_suite_id)
                 executor = environment.spec.executor
                 yield {