+# It's not unheard of to copy the old CMU CL docs into their
+# traditional sbcl-0.6.x place. If so, it shouldn't end up in
+# the distribution.
+rm -rf doc/cmucl
+
+# miscellaneous other customizations which shouldn't be propagated
+rm -rf customize-target-features.lisp
+
+# Fall through to ordinary cleanup.