diff --git a/src/mainboard/google/brox/Kconfig b/src/mainboard/google/brox/Kconfig
index bb4d3746b2..8847f33e72 100644
--- a/src/mainboard/google/brox/Kconfig
+++ b/src/mainboard/google/brox/Kconfig
@@ -81,7 +81,6 @@ config BOARD_GOOGLE_BROX_EC_ISH
 config BOARD_GOOGLE_LOTSO
 	select BOARD_GOOGLE_BASEBOARD_BROX
 	select CHROMEOS_WIFI_SAR if CHROMEOS
-	select ENFORCE_MEM_CHANNEL_DISABLE
 	select MAINBOARD_HAS_GOOGLE_STRAUSS_KEYBOARD
 	select USE_UNIFIED_AP_FIRMWARE_FOR_UFS_AND_NON_UFS
 
diff --git a/src/mainboard/google/brox/variants/lotso/memory.c b/src/mainboard/google/brox/variants/lotso/memory.c
index 0997707e9f..84b9f4a70d 100644
--- a/src/mainboard/google/brox/variants/lotso/memory.c
+++ b/src/mainboard/google/brox/variants/lotso/memory.c
@@ -99,19 +99,6 @@ bool variant_is_half_populated(void)
 	return gpio_get(GPP_S0);
 }
 
-uint8_t mb_get_channel_disable_mask(void)
-{
-	/*
-	 * GPP_S0 High -> One RAM Chip
-	 * GPP_S0 Low  -> Two RAM Chip
-	 * Disable all other channels except first two on each controller
-	 */
-	if (gpio_get(GPP_S0))
-		return (BIT(2) | BIT(3));
-
-	return 0;
-}
-
 void variant_get_spd_info(struct mem_spd *spd_info)
 {
 	spd_info->topo = MEM_TOPO_MEMORY_DOWN;