diff --git a/sys/conf/kmod.mk b/sys/conf/kmod.mk
index 497c00db95c..0d8a1aab4d1 100644
--- a/sys/conf/kmod.mk
+++ b/sys/conf/kmod.mk
@@ -213,7 +213,7 @@ _kmodinstall:
 
 .include <bsd.links.mk>
 
-.if !defined(NO_XREF)
+.if !defined(NO_XREF) && ${MACHINE_ARCH} != "sparc64"
 afterinstall: _kldxref
 .ORDER: realinstall _kldxref
 .ORDER: _installlinks _kldxref
diff --git a/sys/modules/Makefile b/sys/modules/Makefile
index b7993d11c5d..f7ae66123eb 100644
--- a/sys/modules/Makefile
+++ b/sys/modules/Makefile
@@ -271,7 +271,7 @@ SUBDIR=${MODULES_OVERRIDE}
 .endif
 
 # Calling kldxref(8) for each module is expensive.
-.if !defined(NO_XREF)
+.if !defined(NO_XREF) && ${MACHINE_ARCH} != "sparc64"
 .MAKEFLAGS:=	${.MAKEFLAGS} -DNO_XREF
 afterinstall:
 	@if type kldxref >/dev/null 2>&1; then \