diff --git a/samples/2_Cookbook/16_assembly_to_executable/CMakeLists.txt b/samples/2_Cookbook/16_assembly_to_executable/CMakeLists.txt
index 617dfb4908..5a5789ec16 100644
--- a/samples/2_Cookbook/16_assembly_to_executable/CMakeLists.txt
+++ b/samples/2_Cookbook/16_assembly_to_executable/CMakeLists.txt
@@ -37,10 +37,6 @@ set(SQ_ASM_EXE ${CMAKE_CURRENT_BINARY_DIR}/square_asm.out)
 
 set(MCIN_OBJ_GEN ${CMAKE_CURRENT_SOURCE_DIR}/hip_obj_gen.mcin)
 
-if(NOT DEFINED GPU_ARCH)
-  set(GPU_ARCH  gfx900 gfx906 gfx908 gfx90a gfx940 gfx941 gfx942 gfx1010 gfx1030 gfx1100 gfx1101 gfx1102 gfx1103 gfx1200 gfx1201)
-endif()
-
 # Append Current device arch from rocm_agent_enumerator
 # if rocm_agent_enumerator is not found, support --offload-arch
 # to pass arch use format like -DOFFLOAD_ARCH_STR="--offload-arch=gfx1032  --offload-arch=gfx1031"
@@ -60,7 +56,6 @@ if(NOT DEFINED OFFLOAD_ARCH_STR
     if (NOT HIP_GPU_ARCH STREQUAL "")
           string(REGEX REPLACE "\n" ";" HIP_GPU_ARCH_LIST "${HIP_GPU_ARCH}")
           list(REMOVE_DUPLICATES  HIP_GPU_ARCH_LIST)
-          list(LENGTH HIP_GPU_ARCH_LIST HIP_GPU_ARCH_LEN)
           foreach(_hip_gpu_arch ${HIP_GPU_ARCH_LIST})
               list(APPEND GPU_ARCH ${_hip_gpu_arch})
           endforeach()
diff --git a/samples/2_Cookbook/17_llvm_ir_to_executable/CMakeLists.txt b/samples/2_Cookbook/17_llvm_ir_to_executable/CMakeLists.txt
index c41f066bcc..b074996f3d 100644
--- a/samples/2_Cookbook/17_llvm_ir_to_executable/CMakeLists.txt
+++ b/samples/2_Cookbook/17_llvm_ir_to_executable/CMakeLists.txt
@@ -40,10 +40,6 @@ set(SQ_IR_EXE ${CMAKE_CURRENT_BINARY_DIR}/square_ir.out)
 
 set(MCIN_OBJ_GEN ${CMAKE_CURRENT_SOURCE_DIR}/hip_obj_gen.mcin)
 
-if(NOT DEFINED GPU_ARCH)
-  set(GPU_ARCH  gfx900 gfx906 gfx908 gfx90a gfx940 gfx941 gfx942 gfx1010 gfx1030 gfx1100 gfx1101 gfx1102 gfx1103 gfx1200 gfx1201)
-endif()
-
 # Append Current device arch from rocm_agent_enumerator
 # if rocm_agent_enumerator is not found, support --offload-arch
 # to pass arch use format like -DOFFLOAD_ARCH_STR="--offload-arch=gfx1032  --offload-arch=gfx1031"
@@ -64,7 +60,6 @@ if(NOT DEFINED OFFLOAD_ARCH_STR
     if (NOT HIP_GPU_ARCH STREQUAL "")
           string(REGEX REPLACE "\n" ";" HIP_GPU_ARCH_LIST "${HIP_GPU_ARCH}")
           list(REMOVE_DUPLICATES  HIP_GPU_ARCH_LIST)
-          list(LENGTH HIP_GPU_ARCH_LIST HIP_GPU_ARCH_LEN)
           foreach(_hip_gpu_arch ${HIP_GPU_ARCH_LIST})
               list(APPEND GPU_ARCH ${_hip_gpu_arch})
           endforeach()