diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py b/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py
index 56b61c53ca1e..10f7ba43f2f0 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/modules_mgmt.py
@@ -69,7 +69,6 @@
 PROC_CMDLINE = "/proc/cmdline"
 CMDLINE_STR_TO_LOOK_FOR = 'SONIC_BOOT_TYPE='
 CMDLINE_VAL_TO_LOOK_FOR = 'fastfast'
-CMDLINE_VAL_TO_LOOK_FOR_FAST_REBOOT = 'fast-reboot'
 
 MAX_EEPROM_ERROR_RESET_RETRIES = 4