diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d30e7e0b5..6e052b4d8e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,7 +72,6 @@ if(CMAKE_SYSTEM_PROCESSOR)
 	elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^loongarch64")
 		set(LOONGARCH64_DEVICE ON)
 		add_compile_options(-mlsx)
-		add_compile_options(-mlasx)
 	else()
 		message("Unknown CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
 	endif()