diff --git a/tests/test-copy b/tests/test-copy
--- a/tests/test-copy
+++ b/tests/test-copy
@@ -1,6 +1,5 @@
 #!/bin/sh
 
-set -x
 hg init
 echo a > a
 hg add a
@@ -12,7 +11,7 @@ hg status
 hg --debug commit -m "2" -d "0 0"
 hg history
 hg log a
-hexdump -C .hg/data/b.d
+md5sum .hg/data/b.d
 hg cat b > bsum
 md5sum bsum
 hg cat a > asum