diff --git a/sys/boot/powerpc/ofw/Makefile b/sys/boot/powerpc/ofw/Makefile
index bf4ea8ab1651..c0ed14514761 100644
--- a/sys/boot/powerpc/ofw/Makefile
+++ b/sys/boot/powerpc/ofw/Makefile
@@ -77,9 +77,6 @@ CFLAGS+=	-DRELOC=${RELOC}
 
 LDFLAGS=	-nostdlib -static -T ${.CURDIR}/ldscript.powerpc
 
-# 64-bit bridge extensions
-CFLAGS+= -Wa,-mppc64bridge
-
 # Pull in common loader code
 .PATH:		${.CURDIR}/../../ofw/common
 .include	"${.CURDIR}/../../ofw/common/Makefile.inc"
diff --git a/sys/boot/powerpc/ps3/Makefile b/sys/boot/powerpc/ps3/Makefile
index 5742a86bd500..5016764aed02 100644
--- a/sys/boot/powerpc/ps3/Makefile
+++ b/sys/boot/powerpc/ps3/Makefile
@@ -87,9 +87,6 @@ CFLAGS+=	-DRELOC=${RELOC}
 
 LDFLAGS=	-nostdlib -static -T ${.CURDIR}/ldscript.powerpc
 
-# 64-bit bridge extensions
-CFLAGS+= -Wa,-mppc64bridge
-
 # Pull in common loader code
 #.PATH:		${.CURDIR}/../../ofw/common
 #.include	"${.CURDIR}/../../ofw/common/Makefile.inc"