diff --git a/external/glib/generate_cppgir.cmake b/external/glib/generate_cppgir.cmake
index a3cdfe7..c9872a6 100644
--- a/external/glib/generate_cppgir.cmake
+++ b/external/glib/generate_cppgir.cmake
@@ -44,9 +44,9 @@ function(generate_cppgir target_name gir)
     get_target_property(target_type ${target_name} TYPE)
     if (${target_type} STREQUAL "INTERFACE_LIBRARY")
         target_link_libraries(${target_name} INTERFACE CppGir::gi)
-        target_compile_definitions(${target_name} INTERFACE GI_INLINE GI_OBJECT_NEWV)
+        target_compile_definitions(${target_name} INTERFACE GI_INLINE)
     else()
         target_link_libraries(${target_name} PUBLIC CppGir::gi)
-        target_compile_definitions(${target_name} PUBLIC GI_INLINE GI_OBJECT_NEWV)
+        target_compile_definitions(${target_name} PUBLIC GI_INLINE)
     endif()
 endfunction()