diff --git a/include/grub/powerpc/libgcc.h b/include/grub/powerpc/libgcc.h
index ea4b073..0ff8964 100644
--- a/include/grub/powerpc/libgcc.h
+++ b/include/grub/powerpc/libgcc.h
@@ -16,9 +16,9 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-void EXPORT_FUNC (memset) (void) __attribute__ ((weak));
-void EXPORT_FUNC (__ashldi3) (void) __attribute__ ((weak));
-void EXPORT_FUNC (__ashrdi3) (void) __attribute__ ((weak));
-void EXPORT_FUNC (__lshrdi3) (void) __attribute__ ((weak));
-void EXPORT_FUNC (__trampoline_setup) (void) __attribute__ ((weak));
-void EXPORT_FUNC (__ucmpdi2) (void) __attribute__ ((weak));
+void EXPORT_FUNC (memset) (void);
+void EXPORT_FUNC (__ashldi3) (void);
+void EXPORT_FUNC (__ashrdi3) (void);
+void EXPORT_FUNC (__lshrdi3) (void);
+void EXPORT_FUNC (__trampoline_setup) (void);
+void EXPORT_FUNC (__ucmpdi2) (void);
diff --git a/include/grub/sparc64/libgcc.h b/include/grub/sparc64/libgcc.h
index 5d18c5c..6a3d804 100644
--- a/include/grub/sparc64/libgcc.h
+++ b/include/grub/sparc64/libgcc.h
@@ -21,7 +21,7 @@
 void EXPORT_FUNC (memset) (void);
 
 typedef int SItype __attribute__ ((mode (SI)));
-SItype EXPORT_FUNC (__bswapsi2) (SItype) __attribute__ ((weak));
+SItype EXPORT_FUNC (__bswapsi2) (SItype);
 
 typedef int DItype __attribute__ ((mode (DI)));
-DItype EXPORT_FUNC (__bswapdi2) (DItype) __attribute__ ((weak));
+DItype EXPORT_FUNC (__bswapdi2) (DItype);