diff --git a/cmake/sdl2.cmake b/cmake/sdl2.cmake
index 94cc6531..e15a52d9 100644
--- a/cmake/sdl2.cmake
+++ b/cmake/sdl2.cmake
@@ -9,19 +9,8 @@ set(SDL_TARGETS SDL2::SDL2)
 
 if(WIN32 OR MINGW)
     list(PREPEND SDL_TARGETS SDL2::SDL2main ws2_32)
-    add_definitions(-DSDL_MAIN_HANDLED)
+    add_definitions("-DSDL_MAIN_HANDLED")
 endif()
 
 # libpng
-if (MINGW)
-  set(ZLIB_ROOT ${CMAKE_SOURCE_DIR}/build-windows/src/lib/zlib)
-  set(ZLIB_LIBRARY ${CMAKE_SOURCE_DIR}/build-windows/lib/libzlib.dll.a)
-  include_directories(${CMAKE_SOURCE_DIR}/src/lib/zlib ${CMAKE_SOURCE_DIR}/src/lib/libpng)
-  set(ZLIB_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/src/lib/zlib)
-  set(YAZE_BUILD_PYTHON OFF)
-  set(YAZE_BUILD_EXTENSIONS OFF)
-  add_subdirectory(src/lib/zlib)
-  add_subdirectory(src/lib/libpng)
-else()
-  find_package(PNG REQUIRED)
-endif()
\ No newline at end of file
+find_package(PNG REQUIRED)
\ No newline at end of file