diff --git a/src/mainboard/google/guybrush/variants/nipperkin/Makefile.inc b/src/mainboard/google/guybrush/variants/nipperkin/Makefile.inc
index 14ecf5ecbb..e166093f7c 100644
--- a/src/mainboard/google/guybrush/variants/nipperkin/Makefile.inc
+++ b/src/mainboard/google/guybrush/variants/nipperkin/Makefile.inc
@@ -9,10 +9,6 @@ romstage-y += tpm_tis.c
 ramstage-y += tpm_tis.c
 verstage-y += tpm_tis.c
 
-bootblock-y += variant.c
-romstage-y += variant.c
-ramstage-y += variant.c
-
 ramstage-y += ramstage.c
 
 subdirs-y += ./memory
diff --git a/src/mainboard/google/guybrush/variants/nipperkin/variant.c b/src/mainboard/google/guybrush/variants/nipperkin/variant.c
deleted file mode 100644
index bd6c48ca86..0000000000
--- a/src/mainboard/google/guybrush/variants/nipperkin/variant.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-#include <baseboard/variants.h>
-
-void variant_update_dxio_descriptors(fsp_dxio_descriptor *dxio_descriptors)
-{
-	/* Fix link speed to GEN2 - b/228830362 */
-	dxio_descriptors[WLAN].link_speed_capability = GEN2;
-	dxio_descriptors[WLAN].port_params[0] = PP_PSPP_AC;
-	/* AC_DirectIndirect[11:8], AC_MaxPreferredSpeed[7:4], AC_MinPreferredSpeed[3:0] */
-	dxio_descriptors[WLAN].port_params[1] = 0x122;
-	dxio_descriptors[WLAN].port_params[2] = PP_PSPP_DC;
-	/* DC_DirectIndirect[11:8], DC_MaxPreferredSpeed[7:4], DC_MinPreferredSpeed[3:0] */
-	dxio_descriptors[WLAN].port_params[3] = 0x122;
-}