diff --git a/ggml/src/ggml-qnn/CMakeLists.txt b/ggml/src/ggml-qnn/CMakeLists.txt
index ccf51e1a55..520bbd1f46 100644
--- a/ggml/src/ggml-qnn/CMakeLists.txt
+++ b/ggml/src/ggml-qnn/CMakeLists.txt
@@ -20,10 +20,10 @@ if(NOT DEFINED GGML_QNN_SDK_PATH)
     endif()
 endif()
 
+message("CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
+message("CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")
 message("QNN_SDK_PATH: ${GGML_QNN_SDK_PATH}")
 
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
-
 file(GLOB QNN_SOURCES "${CMAKE_CURRENT_LIST_DIR}/*.cpp")
 ggml_add_backend_library(ggml-qnn
     ${QNN_SOURCES}