diff --git a/src/mainboard/google/guybrush/variants/dewatt/memory/Makefile.inc b/src/mainboard/google/guybrush/variants/dewatt/memory/Makefile.inc
index 6751a4283f..069b2eb0bf 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/memory/Makefile.inc
+++ b/src/mainboard/google/guybrush/variants/dewatt/memory/Makefile.inc
@@ -1,5 +1,8 @@
-## SPDX-License-Identifier: GPL-2.0-or-later
-## This is an auto-generated file. Do not edit!!
-## Add memory parts in mem_parts_used.txt and run spd_tools to regenerate.
+# SPDX-License-Identifier: GPL-2.0-or-later
+# This is an auto-generated file. Do not edit!!
+# Generated by:
+# util/spd_tools/bin/part_id_gen CZN lp4x src/mainboard/google/guybrush/variants/dewatt/memory src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt
 
-SPD_SOURCES = placeholder
+SPD_SOURCES =
+SPD_SOURCES += spd/lp4x/set-1/spd-1.hex      # ID = 0(0b0000)  Parts = K4U6E3S4AB-MGCL, H54G46CYRBX267, MT53E512M32D1NP-046 WT:B
+SPD_SOURCES += spd/lp4x/set-1/spd-3.hex      # ID = 1(0b0001)  Parts = MT53E1G32D2NP-046 WT:B
diff --git a/src/mainboard/google/guybrush/variants/dewatt/memory/dram_id.generated.txt b/src/mainboard/google/guybrush/variants/dewatt/memory/dram_id.generated.txt
index fa247902ee..5ce9e79cdc 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/memory/dram_id.generated.txt
+++ b/src/mainboard/google/guybrush/variants/dewatt/memory/dram_id.generated.txt
@@ -1 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# This is an auto-generated file. Do not edit!!
+# Generated by:
+# util/spd_tools/bin/part_id_gen CZN lp4x src/mainboard/google/guybrush/variants/dewatt/memory src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt
+
 DRAM Part Name                 ID to assign
+K4U6E3S4AB-MGCL                0 (0000)
+H54G46CYRBX267                 0 (0000)
+MT53E1G32D2NP-046 WT:B         1 (0001)
+MT53E512M32D1NP-046 WT:B       0 (0000)
diff --git a/src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt b/src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt
index 416b512673..4b6ba225ac 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt
+++ b/src/mainboard/google/guybrush/variants/dewatt/memory/mem_parts_used.txt
@@ -1,11 +1,4 @@
-# This is a CSV file containing a list of memory parts used by this variant.
-# One part per line with an optional fixed ID in column 2.
-# Only include a fixed ID if it is required for legacy reasons!
-# Generated IDs are dependent on the order of parts in this file,
-# so new parts must always be added at the end of the file!
-#
-# Generate an updated Makefile.inc and dram_id.generated.txt by running the
-# part_id_gen tool from util/spd_tools.
-# See util/spd_tools/README.md for more details and instructions.
-
-# Part Name, Fixed ID (optional)
+K4U6E3S4AB-MGCL
+H54G46CYRBX267
+MT53E1G32D2NP-046 WT:B
+MT53E512M32D1NP-046 WT:B