diff --git a/steps/libtool-2.2.4/pass1.sh b/steps/libtool-2.2.4/pass1.sh
index 3abb60df..15a44d14 100755
--- a/steps/libtool-2.2.4/pass1.sh
+++ b/steps/libtool-2.2.4/pass1.sh
@@ -6,9 +6,14 @@
 src_prepare() {
     default
 
-    rm -f libltdl/config/ltmain.sh libtool
+    rm -f libltdl/config/ltmain.sh libtool libltdl/m4/ltversion.m4
 
     rm -f doc/*.info
+    rm -f tests/testsuite
+
+    find tests -name configure | while read d; do
+        rm -r "$(dirname "$d")"
+    done
 
     AUTOMAKE=automake-1.10 ACLOCAL=aclocal-1.10 AUTOM4TE=autom4te-2.61 AUTOCONF=autoconf-2.61 AUTOHEADER=autoheader-2.61 AUTORECONF=autoreconf-2.61 ./bootstrap
 }