--- python-pysam.orig/tests/pysam_data/Makefile
+++ python-pysam/tests/pysam_data/Makefile
@@ -87,7 +87,7 @@
 	cp ex1.cram $@
 
 clean:
-	rm -fr *.bam *.bai *.fai *.pileup* *.cram \
+	rm -fr *.bai *.fai *.pileup* *.cram \
 	*~ calDepth *.dSYM pysam_*.sam \
 	ex2.sam ex2.sam.gz ex1.sam \
 	with_md.sam.gz \
