* testsuite/bunzip2/bunzip2-reads-from-standard-input: Remove -c flags.
* testsuite/gunzip/gunzip-reads-from-standard-input: Likewise.
diff --git a/testsuite/gunzip/gunzip-reads-from-standard-input b/testsuite/gunzip/gunzip-reads-from-standard-input
index 0ab9fdd..7c498c0 100644
--- a/testsuite/gunzip/gunzip-reads-from-standard-input
+++ b/testsuite/gunzip/gunzip-reads-from-standard-input
@@ -1,2 +1,2 @@
-echo foo | gzip -c | busybox gunzip -c > output
+echo foo | gzip | busybox gunzip > output
echo foo | cmp - output