:: commit 092df95a44ea3aae2b1c3e916ce028687f73b8ad

diff --git a/common/GNUmakefile b/common/GNUmakefile
index c06c6e8a..7d1aad30 100644
--- a/common/GNUmakefile
+++ b/common/GNUmakefile
@@ -97,8 +97,7 @@ ifeq ($(TARGET),uefi-x86-64)
         -I'$(call SHESCAPE,$(BUILDDIR))/limine-efi/inc' \
         -I'$(call SHESCAPE,$(BUILDDIR))/limine-efi/inc/x86_64' \
         $(CPPFLAGS_FOR_TARGET) \
-        -DUEFI \
-        -DGNU_EFI_USE_MS_ABI
+        -DUEFI
 endif
 
 ifeq ($(TARGET),uefi-ia32)