diff --git a/manifests/nbiservice.yaml b/manifests/nbiservice.yaml
index 2f73fc5d5fb0a6f89755188d296e532f354feb1c..9584f3242a33431231fb1ec27f42fcdd5b23bb68 100644
--- a/manifests/nbiservice.yaml
+++ b/manifests/nbiservice.yaml
@@ -64,7 +64,7 @@ spec:
               memory: 64Mi
             limits:
               cpu: 500m
-              memory: 1Gi
+              memory: 512Mi
 ---
 apiVersion: v1
 kind: Service
diff --git a/src/telemetry/backend/requirements.in b/src/telemetry/backend/requirements.in
index 36b42426d3bf06e47f5576b15bdecde2d83c0b91..a9e9b0afa630f6048dcf78ea05e39facfccdd7d8 100644
--- a/src/telemetry/backend/requirements.in
+++ b/src/telemetry/backend/requirements.in
@@ -18,9 +18,4 @@ libyang==2.8.4
 numpy==2.0.1
 APScheduler==3.10.1
 deepdiff==6.7.*
-pygnmi==0.8.14
-ipaddress
-macaddress
-p4runtime==1.3.0
-googleapis-common-protos==1.69.1
-tabulate
+pygnmi==0.8.14
\ No newline at end of file
diff --git a/src/telemetry/backend/service/collectors/__init__.py b/src/telemetry/backend/service/collectors/__init__.py
index 450d508187b81369b86618cbe538ff1344e7ed47..2d19a10a623c3c2c68e2d219b4cf3ecfe131ca28 100644
--- a/src/telemetry/backend/service/collectors/__init__.py
+++ b/src/telemetry/backend/service/collectors/__init__.py
@@ -46,13 +46,3 @@ if LOAD_ALL_DEVICE_DRIVERS:
             }
         ]))
 
-# if LOAD_ALL_DEVICE_DRIVERS:
-#     from .p4.p4_collector import P4Collector # pylint: disable=wrong-import-position
-#     DRIVERS.append(
-#         (P4Collector, [
-#             {
-#                 # Real P4 Switch, specifying P4 Collector => use P4Collector
-#                 FilterFieldEnum.DEVICE_TYPE: DeviceTypeEnum.P4_SWITCH,
-#                 FilterFieldEnum.DRIVER     : DeviceDriverEnum.DEVICEDRIVER_P4,
-#             }
-#         ]))