diff --git a/native/src/main/jni/CMakeLists.txt b/native/src/main/jni/CMakeLists.txt
index d53d8149d..356d78e1e 100644
--- a/native/src/main/jni/CMakeLists.txt
+++ b/native/src/main/jni/CMakeLists.txt
@@ -1,6 +1,9 @@
 project(ehviewer)
 cmake_minimum_required(VERSION 3.4.1)
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Oz -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections -fdata-sections")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Oz -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -fno-stack-protector")
+
 # Build liblzma
 add_subdirectory(liblzma)
 
@@ -20,5 +23,6 @@ add_subdirectory(image)
 
 # Build and link our app's native lib
 add_library(${PROJECT_NAME} SHARED main.c archive.c)
+target_compile_options(${PROJECT_NAME} PUBLIC -Oz -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions)
 target_include_directories(${PROJECT_NAME} PUBLIC image/image libarchive/libarchive)
 target_link_libraries(${PROJECT_NAME} image archive_static)