diff --git a/examples/build_system/cmake/toolchain/arm_iar.cmake b/examples/build_system/cmake/toolchain/arm_iar.cmake
index f4c0a500e..0b7e0b585 100644
--- a/examples/build_system/cmake/toolchain/arm_iar.cmake
+++ b/examples/build_system/cmake/toolchain/arm_iar.cmake
@@ -20,7 +20,12 @@ find_program(CMAKE_IAR_REPORT ireport)
 
 if (IAR_CSTAT)
 cmake_minimum_required(VERSION 4.1)
-set(CMAKE_C_ICSTAT ${CMAKE_IAR_CSTAT} --checks=${CMAKE_CURRENT_LIST_DIR}/cstat_sel_checks.txt --db=${CMAKE_BINARY_DIR}/cstat.db --sarif_dir=${CMAKE_BINARY_DIR}/cstat_sarif)
+set(CMAKE_C_ICSTAT ${CMAKE_IAR_CSTAT}
+  --checks=${CMAKE_CURRENT_LIST_DIR}/cstat_sel_checks.txt
+  --db=${CMAKE_BINARY_DIR}/cstat.db
+  --sarif_dir=${CMAKE_BINARY_DIR}/cstat_sarif
+  --exclude ${TOP}/hw/mcu --exclude ${TOP}/lib
+  )
 endif ()
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)