diff --git a/voltha/adapters/tibit_olt/tibit_olt.py b/voltha/adapters/tibit_olt/tibit_olt.py
index 19acd14..4008852 100644
--- a/voltha/adapters/tibit_olt/tibit_olt.py
+++ b/voltha/adapters/tibit_olt/tibit_olt.py
@@ -1103,12 +1103,6 @@
     def unsuppress_alarm(self, filter):
         raise NotImplementedError()
 
-    def suppress_alarm(self, filter):
-        raise NotImplementedError()
-
-    def unsuppress_alarm(self, filter):
-        raise NotImplementedError()
-
     def start_kpi_collection(self, device_id):
         """ Periodic KPI metric collection from the device """
         import random
diff --git a/voltha/adapters/tibit_onu/tibit_onu.py b/voltha/adapters/tibit_onu/tibit_onu.py
index cb2884d..93768d6 100644
--- a/voltha/adapters/tibit_onu/tibit_onu.py
+++ b/voltha/adapters/tibit_onu/tibit_onu.py
@@ -519,12 +519,6 @@
     def unsuppress_alarm(self, filter):
         raise NotImplementedError()
 
-    def suppress_alarm(self, filter):
-        raise NotImplementedError()
-
-    def unsuppress_alarm(self, filter):
-        raise NotImplementedError()
-
     def start_kpi_collection(self, device_id):
 
         """TMP Simulate periodic KPI metric collection from the device"""