diff --git a/airflow/providers/cncf/kubernetes/operators/kubernetes_pod.py b/airflow/providers/cncf/kubernetes/operators/kubernetes_pod.py
index c21b2db601..6cf8474989 100644
--- a/airflow/providers/cncf/kubernetes/operators/kubernetes_pod.py
+++ b/airflow/providers/cncf/kubernetes/operators/kubernetes_pod.py
@@ -172,8 +172,6 @@ class KubernetesPodOperator(BaseOperator):
         'pod_template_file',
     )
 
-    template_ext = ('.yaml', '.yml', '.json')
-
     # fmt: off
     def __init__(
         # fmt: on