diff --git a/tests/test-convert-baz b/tests/test-convert-baz
--- a/tests/test-convert-baz
+++ b/tests/test-convert-baz
@@ -2,10 +2,6 @@
 
 "$TESTDIR/hghave" baz || exit 80
 
-mkdir do_not_use_HOME_baz
-cd do_not_use_HOME_baz
-HOME=`pwd`; export HOME
-cd ..
 baz my-id "mercurial <mercurial@selenic.com>"
 
 echo "[extensions]" >> $HGRCPATH
diff --git a/tests/test-convert-darcs.t b/tests/test-convert-darcs.t
--- a/tests/test-convert-darcs.t
+++ b/tests/test-convert-darcs.t
@@ -4,7 +4,6 @@
   $ echo "convert=" >> $HGRCPATH
   $ echo 'graphlog =' >> $HGRCPATH
   $ DARCS_EMAIL='test@example.org'; export DARCS_EMAIL
-  $ HOME=`pwd`/do_not_use_HOME_darcs; export HOME
 
 skip if we can't import elementtree
 
diff --git a/tests/test-convert-mtn.t b/tests/test-convert-mtn.t
--- a/tests/test-convert-mtn.t
+++ b/tests/test-convert-mtn.t
@@ -8,7 +8,6 @@ on Windows. Having a variable here ease 
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "convert=" >> $HGRCPATH
   $ echo 'graphlog =' >> $HGRCPATH
-  $ HOME=`pwd`/do_not_use_HOME_mtn; export HOME
 
 Windows version of monotone home
 
diff --git a/tests/test-convert-tla.t b/tests/test-convert-tla.t
--- a/tests/test-convert-tla.t
+++ b/tests/test-convert-tla.t
@@ -1,9 +1,5 @@
 
   $ "$TESTDIR/hghave" tla || exit 80
-  $ mkdir do_not_use_HOME_tla
-  $ cd do_not_use_HOME_tla
-  $ HOME=`pwd`; export HOME
-  $ cd ..
   $ tla my-id "mercurial <mercurial@selenic.com>"
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "convert=" >> $HGRCPATH