diff --git a/lib/libspl/include/sys/isa_defs.h b/lib/libspl/include/sys/isa_defs.h
index 3bca5cf02..90d7a4971 100644
--- a/lib/libspl/include/sys/isa_defs.h
+++ b/lib/libspl/include/sys/isa_defs.h
@@ -98,10 +98,6 @@ extern "C" {
 #endif
 #endif
 
-#if !defined(_BIG_ENDIAN)
-#define	_BIG_ENDIAN
-#endif
-
 #define	_SUNOS_VTOC_16
 
 /* arm arch specific defines */
diff --git a/rpm/generic/zfs-kmod.spec.in b/rpm/generic/zfs-kmod.spec.in
index 9d10e6075..b635e6ea7 100644
--- a/rpm/generic/zfs-kmod.spec.in
+++ b/rpm/generic/zfs-kmod.spec.in
@@ -86,6 +86,11 @@ BuildRequires:             kmod-spl-devel = %{version}
 %global KmodsMetaRequires  spl-kmod
 %endif
 
+# LDFLAGS are not sanitized by arch/powerpc/Makefile (unlike other arches)
+%ifarch ppc ppc64 ppc64le
+%global __global_ldflags %{nil}
+%endif
+
 %if 0%{?fedora} >= 17
 %define prefix  /usr
 %endif
diff --git a/rpm/redhat/zfs-kmod.spec.in b/rpm/redhat/zfs-kmod.spec.in
index fa0c1108e..ae7e95d63 100644
--- a/rpm/redhat/zfs-kmod.spec.in
+++ b/rpm/redhat/zfs-kmod.spec.in
@@ -21,6 +21,11 @@ Requires:       spl-kmod\n\
 Requires:       @PACKAGE@ = %{version}\n\
 Conflicts:      @PACKAGE@-dkms\n\n" > %{_sourcedir}/kmod-preamble)
 
+# LDFLAGS are not sanitized by arch/powerpc/Makefile (unlike other arches)
+%ifarch ppc ppc64 ppc64le
+%global __global_ldflags %{nil}
+%endif
+
 %description
 This package contains the ZFS kernel modules.