diff --git a/SOURCES/grub.macros b/SOURCES/grub.macros
index f65c00d..5975444 100644
--- a/SOURCES/grub.macros
+++ b/SOURCES/grub.macros
@@ -114,16 +114,10 @@
 %global efi_modules " efi_netfs efifwsetup efinet lsefi lsefimmap connectefi "
 %endif
 
-%ifarch x86_64 %{ix86}
-%global platform_modules " backtrace chain usb usbserial_common usbserial_pl2303 usbserial_ftdi usbserial_usbdebug keylayouts at_keyboard "
-%endif
-
-%ifarch ppc64le
-%global platform_modules " appendedsig "
-%endif
-
 %ifarch aarch64 %{arm}
 %global platform_modules " "
+%else
+%global platform_modules " backtrace chain usb usbserial_common usbserial_pl2303 usbserial_ftdi usbserial_usbdebug keylayouts at_keyboard "
 %endif
 
 
@@ -417,34 +411,6 @@ done								\
 %{nil}
 %endif
 
-%ifarch ppc64le
-%define ieee1275_mkimage()					\
-APPENDED_SIG_SIZE=0						\
-if [ -x /usr/bin/rpm-sign ]; then				\
-	touch empty.unsigned					\
-	rpm-sign --key %{5}					\\\
-		 --lkmsign empty.unsigned			\\\
-		 --output empty.signed				\
-	APPENDED_SIG_SIZE="$(stat -c '%s' empty.signed)"	\
-	rm empty.{un,}signed					\
-fi								\
-# FIXME: using this prefix is fragile, must be done properly	\
-./grub-mkimage -O %{1} -o %{2}.orig				\\\
-	-p '/grub2' -d grub-core				\\\
-	-x %{3} -x %{4}						\\\
-	--appended-signature-size ${APPENDED_SIG_SIZE}		\\\
-	${GRUB_MODULES}						\
-if [ -x /usr/bin/rpm-sign ]; then				\
-	truncate -s -${APPENDED_SIG_SIZE} %{2}.orig		\
-	rpm-sign --key %{5}					\\\
-		 --lkmsign %{2}.orig				\\\
-		 --output %{2}					\
-else								\
-	mv %{2}.orig %{2}					\
-fi								\
-%{nil}
-%endif
-
 %define do_efi_build_images()					\
 GRUB_MODULES+=%{grub_modules}					\
 GRUB_MODULES+=%{efi_modules}					\
@@ -452,14 +418,6 @@ GRUB_MODULES+=%{platform_modules}				\
 %{expand:%%{efi_mkimage %{1} %{2} %{3} %{4} %{5} %{6} %{7} %{8} %{9} %{10}}}	\
 %{nil}
 
-%define do_ieee1275_build_images()				\
-GRUB_MODULES+=%{grub_modules}					\
-GRUB_MODULES+=%{platform_modules}				\
-cd grub-%{1}-%{tarversion}					\
-%{expand:%%ieee1275_mkimage %%{1} %%{2} %%{3} %%{4} %%{5}}	\
-cd ..								\
-%{nil}
-
 %define do_primary_efi_build()					\
 cd grub-%{1}-%{tarversion}					\
 %{expand:%%do_efi_configure %%{4} %%{5} %%{6}}			\
@@ -554,9 +512,6 @@ fi								\
 if [ -f $RPM_BUILD_ROOT%{_infodir}/grub-dev.info ]; then	\
 	rm -f $RPM_BUILD_ROOT%{_infodir}/grub-dev.info		\
 fi								\
-%{expand:%ifarch ppc64le					\
-	install -m 700 %{grubelfname} $RPM_BUILD_ROOT/%{_libdir}/grub/%{1} \
-%endif}								\
 ln -s ../boot/%{name}/grub.cfg					\\\
 	${RPM_BUILD_ROOT}%{_sysconfdir}/grub2.cfg		\
 if [ -f $RPM_BUILD_ROOT/%{_libdir}/grub/%{1}/grub2.chrp ]; then \
@@ -598,19 +553,12 @@ touch ${RPM_BUILD_ROOT}/boot/%{name}/grub.cfg			\
 %config(noreplace) %{_sysconfdir}/%{name}.cfg			\
 %ghost %config(noreplace) /boot/%{name}/grub.cfg		\
 %dir %attr(0700,root,root)/boot/loader/entries			\
-%ifarch ppc64le						\
-%dir %{_libdir}/grub/%{2}/					\
-%{_libdir}/grub/%{2}/%{grubelfname}				\
-%endif								\
 								\
 %{expand:%if 0%{?with_legacy_modules}				\
 %{expand:%%files %{1}-modules}					\
 %defattr(-,root,root)						\
 %dir %{_libdir}/grub/%{2}/					\
 %{_libdir}/grub/%{2}/*						\
-%ifarch ppc64le						\
-%exclude %{_libdir}/grub/%{2}/%{grubelfname}			\
-%endif								\
 %exclude %{_libdir}/grub/%{2}/*.module				\
 %exclude %{_libdir}/grub/%{2}/{boot,boot_hybrid,cdboot,diskboot,lzma_decompress,pxeboot}.image \
 %exclude %{_libdir}/grub/%{2}/*.o				\