t/goredo-deps-after-cd.t | 4 ----
 t/goredo-deps.t          | 4 ----
 t/goredo-empty-dep.t     | 4 ----
 t/goredo-failed-build.t  | 4 ----

diff --git a/t/goredo-deps-after-cd.t b/t/goredo-deps-after-cd.t
index f3c3fab10d5c1f71c43254167953dfc607921bf61666024603fd22e99480d5bd..8db1a2a012a4d9db149257ec3e3f26804702ce481689a8e8df073879d92b44d1 100755
--- a/t/goredo-deps-after-cd.t
+++ b/t/goredo-deps-after-cd.t
@@ -4,10 +4,6 @@ testname=`basename "$0"`
 test_description="Check that dependencies have correct relative path after cd"
 . $SHARNESS_TEST_SRCDIR/sharness.sh
 
-tmp=`mktemp -d`
-trap "rm -fr $tmp" HUP PIPE INT QUIT TERM EXIT
-
-cd $tmp
 mkdir -p bin src
 cat > bin/default.do <<EOF
 cd ../src
diff --git a/t/goredo-deps.t b/t/goredo-deps.t
index 69c2384a0f7510f7721ff38749a9a1ec012eacdad4d767784d06819af5990e6e..d0dc36e6aa1a6516593a2de79c1f7330ce49d8145f62b9435b138c70565728bb 100755
--- a/t/goredo-deps.t
+++ b/t/goredo-deps.t
@@ -4,10 +4,6 @@ testname=`basename "$0"`
 test_description="Check that the following use-case won't rebuild everytime and has correct dependencies"
 . $SHARNESS_TEST_SRCDIR/sharness.sh
 
-tmp=`mktemp -d`
-trap "rm -fr $tmp" HUP PIPE INT QUIT TERM EXIT
-
-cd $tmp
 mkdir -p sub
 cat > default.html.do <<EOF
 redo-ifchange \$2.pre
diff --git a/t/goredo-empty-dep.t b/t/goredo-empty-dep.t
index 169f03b599d2fce388cccbac552a78eb9eaa1cb781f7aceacd1eb9c0a7474a8f..0438f01cf5a5411ba355137ca43963eddce29fd423a7f5397ef437acc16055e6 100755
--- a/t/goredo-empty-dep.t
+++ b/t/goredo-empty-dep.t
@@ -4,10 +4,6 @@ testname=`basename "$0"`
 test_description="Check that empty target is a dependency and always OOD"
 . $SHARNESS_TEST_SRCDIR/sharness.sh
 
-tmp=`mktemp -d`
-trap "rm -fr $tmp" HUP PIPE INT QUIT TERM EXIT
-cd $tmp
-
 echo > foo.do
 cat > bar.do <<EOF
 redo-ifchange foo
diff --git a/t/goredo-failed-build.t b/t/goredo-failed-build.t
index a7356fe17fd084b2cec092eaf667d40767131f3e6095578f78104a8cbaeea03d..ae15f9b3b390955ba2b96e13193289c12c57964d110dd3295c48779d762a02f3 100755
--- a/t/goredo-failed-build.t
+++ b/t/goredo-failed-build.t
@@ -4,10 +4,6 @@ testname=`basename "$0"`
 test_description="Check that failed build is still OOD target"
 . $SHARNESS_TEST_SRCDIR/sharness.sh
 
-tmp=`mktemp -d`
-trap "rm -fr $tmp" HUP PIPE INT QUIT TERM EXIT
-cd $tmp
-
 echo exit 1 > bar.do
 echo redo-ifchange bar > foo.do
 export REDO_NO_PROGRESS=1