--- update-initramfs.old	2017-08-03 23:24:12.005278510 +0300
+++ update-initramfs.new2	2017-08-04 00:09:23.729227696 +0300
@@ -355,7 +355,7 @@
 
 	delete_sha1
 
-	rm -f "${initramfs}" "${initramfs}.bak"
+	rm -f "${initramfs}" "${initramfs}.*"
 }
 
 # Check for update mode on existing and modified initramfs