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-rw-r--r--zephyr/shim/src/CMakeLists.txt1
-rw-r--r--zephyr/shim/src/crc.c21
2 files changed, 0 insertions, 22 deletions
diff --git a/zephyr/shim/src/CMakeLists.txt b/zephyr/shim/src/CMakeLists.txt
index b3a828b412..8273ba80a5 100644
--- a/zephyr/shim/src/CMakeLists.txt
+++ b/zephyr/shim/src/CMakeLists.txt
@@ -5,7 +5,6 @@
zephyr_sources(console.c)
zephyr_sources(gpio.c)
zephyr_sources(util.c)
-zephyr_sources(crc.c)
zephyr_sources_ifdef(CONFIG_PLATFORM_EC_HOOKS hooks.c)
zephyr_sources_ifdef(CONFIG_PLATFORM_EC_TIMER hwtimer.c)
diff --git a/zephyr/shim/src/crc.c b/zephyr/shim/src/crc.c
deleted file mode 100644
index 5c726619ee..0000000000
--- a/zephyr/shim/src/crc.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <sys/crc.h>
-
-#include "crc8.h"
-
-/* Polynomial representation for x^8 + x^2 + x + 1 is 0x07 */
-#define SMBUS_POLYNOMIAL 0x07
-
-inline uint8_t cros_crc8(const uint8_t *data, int len)
-{
- return crc8(data, len, SMBUS_POLYNOMIAL, 0, false);
-}
-
-uint8_t cros_crc8_arg(const uint8_t *data, int len, uint8_t previous_crc)
-{
- return crc8(data, len, SMBUS_POLYNOMIAL, previous_crc, false);
-}