diff --git a/airflow/executors/kubernetes_executor.py b/airflow/executors/kubernetes_executor.py
index b309340e7528a..9797361a7a698 100644
--- a/airflow/executors/kubernetes_executor.py
+++ b/airflow/executors/kubernetes_executor.py
@@ -21,7 +21,7 @@
     For more information on how the KubernetesExecutor works, take a look at the guide:
     :ref:`executor:KubernetesExecutor`
 """
-import base64
+
 import functools
 import json
 import multiprocessing
@@ -486,35 +486,6 @@ def clear_not_launched_queued_tasks(self, session=None) -> None:
                     TaskInstance.execution_date == task.execution_date,
                 ).update({TaskInstance.state: State.NONE})
 
-    def _inject_secrets(self) -> None:
-        def _create_or_update_secret(secret_name, secret_path):
-            try:
-                return self.kube_client.create_namespaced_secret(
-                    self.kube_config.executor_namespace,
-                    kubernetes.client.V1Secret(
-                        data={'key.json': base64.b64encode(open(secret_path).read())},
-                        metadata=kubernetes.client.V1ObjectMeta(name=secret_name),
-                    ),
-                    **self.kube_config.kube_client_request_args,
-                )
-            except ApiException as e:
-                if e.status == 409:
-                    return self.kube_client.replace_namespaced_secret(
-                        secret_name,
-                        self.kube_config.executor_namespace,
-                        kubernetes.client.V1Secret(
-                            data={'key.json': base64.b64encode(open(secret_path).read())},
-                            metadata=kubernetes.client.V1ObjectMeta(name=secret_name),
-                        ),
-                        **self.kube_config.kube_client_request_args,
-                    )
-                self.log.exception(
-                    'Exception while trying to inject secret. Secret name: %s, error details: %s',
-                    secret_name,
-                    e,
-                )
-                raise
-
     def start(self) -> None:
         """Starts the executor"""
         self.log.info('Start Kubernetes executor')
@@ -526,7 +497,6 @@ def start(self) -> None:
         self.kube_scheduler = AirflowKubernetesScheduler(
             self.kube_config, self.task_queue, self.result_queue, self.kube_client, self.scheduler_job_id
         )
-        self._inject_secrets()
         self.clear_not_launched_queued_tasks()
 
     def execute_async(