Index: Makefile.pre.in
===================================================================
--- Makefile.pre.in	(revision 75038)
+++ Makefile.pre.in	(working copy)
@@ -1147,10 +1147,13 @@
 	for i in $(SRCDIRS); do etags -a $$i/*.[ch]; done
 
 # Sanitation targets -- clean leaves libraries, executables and tags
-# files, which clobber removes those as well
+# files, which clobber removes as well
 pycremoval:
 	find $(srcdir) -name '*.py[co]' -exec rm -f {} ';'
 
+pickleremoval:
+	find $(srcdir) -name '*.pickle' -exec rm -f {} ';'
+
 rmtestturds:
 	-rm -f *BAD *GOOD *SKIPPED
 	-rm -rf OUT
@@ -1162,7 +1165,7 @@
 	-rm -rf Doc/build
 	-rm -rf Doc/tools/sphinx Doc/tools/pygments Doc/tools/docutils
 
-clean: pycremoval
+clean: pycremoval pickleremoval
 	find . -name '*.o' -exec rm -f {} ';'
 	find . -name '*.s[ol]' -exec rm -f {} ';'
 	find build -name 'fficonfig.h' -exec rm -f {} ';' || true