diff --git a/samples/sid_end_device/Kconfig b/samples/sid_end_device/Kconfig
index 5fcc3ce84..9f8985e94 100644
--- a/samples/sid_end_device/Kconfig
+++ b/samples/sid_end_device/Kconfig
@@ -109,7 +109,7 @@ config SBDT_MAX_PARALEL_TRANSFERS
     int "maximum number of sbdt paralel transfers"
     default 3
 
-endif
+endif # SIDEWALK_FILE_TRANSFER
 
 rsource "Kconfig.defconfig"
 
diff --git a/samples/sid_end_device/Kconfig.defconfig b/samples/sid_end_device/Kconfig.defconfig
index 6620cd88a..71739adb9 100644
--- a/samples/sid_end_device/Kconfig.defconfig
+++ b/samples/sid_end_device/Kconfig.defconfig
@@ -10,25 +10,21 @@ config BT_REMOTE_VERSION
 
 config BT_BUF_ACL_TX_SIZE
 	default 251
-	default 502 if SIDEWALK_DFU_BLE_FAST
 
 config BT_BUF_ACL_TX_COUNT
 	default 3
 
 config BT_BUF_ACL_RX_SIZE
 	default 251
-	default 502 if SIDEWALK_DFU_BLE_FAST
 
 config BT_BUF_ACL_RX_COUNT
 	default 6
 
 config BT_L2CAP_TX_MTU
 	default 247
-	default 498 if SIDEWALK_DFU_BLE_FAST
 
 config BT_CTLR_DATA_LENGTH_MAX
 	default 247
-	default 251 if SIDEWALK_DFU_BLE_FAST
 
 config BT_PERIPHERAL_PREF_MIN_INT
 	default 16