diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca10b1bdb9..a6efb3d462 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,8 +164,6 @@ else()
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
 endif()
 
-set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
-
 option(EXECUTORCH_BUILD_ANDROID_JNI "Build Android JNI" OFF)
 
 option(EXECUTORCH_BUILD_ARM_BAREMETAL