diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27f3f5a89..2062797b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,12 +67,6 @@ endif()
 add_definitions(-D_POSIX_C_SOURCE=200809L -D_GNU_SOURCE)
 add_compile_options(-Wall -Werror -fdiagnostics-color=auto)
 
-execute_process(
-	COMMAND uname -m
-	COMMAND tr -d '\n'
-	OUTPUT_VARIABLE ARCH
-)
-
 # Check OS
 check_include_file("sys/eventfd.h" HAS_EVENTFD)
 check_include_file("semaphore.h" HAS_SEMAPHORE)