diff --git a/sonic_platform_base/sonic_sfp/sfputilbase.py b/sonic_platform_base/sonic_sfp/sfputilbase.py
index af6472d9e..1b29f1a76 100644
--- a/sonic_platform_base/sonic_sfp/sfputilbase.py
+++ b/sonic_platform_base/sonic_sfp/sfputilbase.py
@@ -467,13 +467,9 @@ def read_all_porttab_mappings(self, platform_dir, num_asic_inst):
         # In multi asic scenario, get all the port_config files for different asics
          for inst in range(num_asic_inst):
              port_map_dir = os.path.join(platform_dir, str(inst))
-             port_map_file = os.path.join(port_map_dir, PORT_CONFIG_INI)
+             port_map_file = os.path.join(port_map_dir, "port_config.ini")
              if os.path.exists(port_map_file):
                  self.read_porttab_mappings(port_map_file, inst)
-             else:
-                 port_json_file = os.path.join(port_map_dir, PLATFORM_JSON)
-                 if os.path.exists(port_json_file):
-                     self.read_porttab_mappings(port_json_file, inst)
 
     def read_phytab_mappings(self, phytabfile):
         logical = []
diff --git a/sonic_platform_base/sonic_sfp/sfputilhelper.py b/sonic_platform_base/sonic_sfp/sfputilhelper.py
index e2980361e..4ccd80314 100644
--- a/sonic_platform_base/sonic_sfp/sfputilhelper.py
+++ b/sonic_platform_base/sonic_sfp/sfputilhelper.py
@@ -135,13 +135,9 @@ def read_all_porttab_mappings(self, platform_dir, num_asic_inst):
         # In multi asic scenario, get all the port_config files for different asics
          for inst in range(num_asic_inst):
              port_map_dir = os.path.join(platform_dir, str(inst))
-             port_map_file = os.path.join(port_map_dir, PORT_CONFIG_INI)
+             port_map_file = os.path.join(port_map_dir, "port_config.ini")
              if os.path.exists(port_map_file):
                  self.read_porttab_mappings(port_map_file, inst)
-             else:
-                 port_json_file = os.path.join(port_map_dir, PLATFORM_JSON)
-                 if os.path.exists(port_json_file):
-                     self.read_porttab_mappings(port_json_file, inst)
 
     def get_physical_to_logical(self, port_num):
         """Returns list of logical ports for the given physical port"""