diff --git a/sonic_platform_base/chassis_base.py b/sonic_platform_base/chassis_base.py
index 9d4263d20..01019cb33 100644
--- a/sonic_platform_base/chassis_base.py
+++ b/sonic_platform_base/chassis_base.py
@@ -82,15 +82,6 @@ def get_base_mac(self):
         """
         raise NotImplementedError
 
-    def get_serial_number(self):
-        """
-        Retrieves the hardware serial number for the chassis
-
-        Returns:
-            A string containing the hardware serial number for this chassis.
-        """
-        raise NotImplementedError
-
     def get_system_eeprom_info(self):
         """
         Retrieves the full content of system EEPROM information for the chassis
diff --git a/sonic_platform_base/module_base.py b/sonic_platform_base/module_base.py
index 6a7d2a7d5..ecfe09804 100644
--- a/sonic_platform_base/module_base.py
+++ b/sonic_platform_base/module_base.py
@@ -54,15 +54,6 @@ def get_base_mac(self):
         """
         raise NotImplementedError
 
-    def get_serial_number(self):
-        """
-        Retrieves the hardware serial number for the module
-
-        Returns:
-            A string containing the hardware serial number for this module.
-        """
-        raise NotImplementedError
-
     def get_system_eeprom_info(self):
         """
         Retrieves the full content of system EEPROM information for the module