diff --git a/libguestfs.perl.install_vendor.patch b/libguestfs.perl.install_vendor.patch
deleted file mode 100644
index 9088cbc..0000000
--- a/libguestfs.perl.install_vendor.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-Make sure perl gets installed into vendor path.
----
- perl/Makefile.am |    2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-Index: b/perl/Makefile.am
-===================================================================
---- a/perl/Makefile.am
-+++ b/perl/Makefile.am
-@@ -74,7 +74,7 @@ clean-local:
- 	rm -f Makefile-pl
- 
- install-data-hook:
--	$(MAKE) -f Makefile-pl DESTDIR=$(DESTDIR) install
-+	$(MAKE) -f Makefile-pl DESTDIR=$(DESTDIR) install_vendor
- 
- endif
- 
diff --git a/libguestfs.spec b/libguestfs.spec
index e503ea5..6a216d9 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -143,7 +143,6 @@ Release:        0
 Patch1:         0001-daemon-Remove-e2prog-hack-only-needed-for-RHEL-5.patch
 Patch2:         0002-daemon-collect-list-of-called-external-commands.patch
 Patch5:         libguestfs-1.13.14-ruby.patch
-Patch100:       libguestfs.perl.install_vendor.patch
 Patch101:       libguestfs.perl.no-rpath.patch
 Source0:        %{name}-%{version}.tar.gz
 Source10:       libguestfs.mkinitrd.boot.sh
@@ -294,7 +293,6 @@ virtual machines.
 %setup -q
 %patch1 -p1
 %patch2 -p1
-%patch100 -p1
 %patch101 -p1
 
 %build
@@ -325,7 +323,10 @@ autoreconf -fi
 	%{_configure_ruby} \
 	--disable-rpath \
 	--disable-static 
-make %{?jobs:-j%jobs}
+# 'INSTALLDIRS' ensures that perl libs are installed in the vendor dir instead of the site dir
+make \
+	INSTALLDIRS=vendor \
+	%{?jobs:-j%jobs}
 
 %install
 %makeinstall