diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 5e5bb10d87..196f02227d 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -438,11 +438,11 @@ EOF
 test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' '
 	cat >expect <<-EOF &&
 	file
-	$(pwd)/file
+	$PWD/file
 	file2
-	$(pwd)/file2
+	$PWD/file2
 	sub/sub
-	$(pwd)/sub/sub
+	$PWD/sub/sub
 	EOF
 	git difftool --dir-diff --symlink \
 		--extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
@@ -456,14 +456,14 @@ EOF
 run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
 	test_when_finished git reset --hard &&
 	echo "orig content" >file &&
-	git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+	git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
 	echo "new content" >expect &&
 	test_cmp expect file
 '
 
 run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
 	test_when_finished git reset --hard &&
-	git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+	git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
 	echo "new content" >expect &&
 	test_cmp expect file
 '
@@ -474,7 +474,7 @@ EOF
 
 test_expect_success PERL 'difftool --no-symlinks does not overwrite working tree file ' '
 	echo "orig content" >file &&
-	git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-file" branch &&
+	git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-file" branch &&
 	echo "new content" >expect &&
 	test_cmp expect file
 '
@@ -490,7 +490,7 @@ test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
 		TMPDIR=$TRASH_DIRECTORY &&
 		export TMPDIR &&
 		echo "orig content" >file &&
-		test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-both-files" branch &&
+		test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-both-files" branch &&
 		echo "wt content" >expect &&
 		test_cmp expect file &&
 		echo "tmp content" >expect &&
diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh
index 27a9b0ec03..f320510c8a 100755
--- a/t/t9400-git-cvsserver-server.sh
+++ b/t/t9400-git-cvsserver-server.sh
@@ -33,11 +33,11 @@ perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || {
     test_done
 }
 
-WORKDIR=$(pwd)
-SERVERDIR=$(pwd)/gitcvs.git
+WORKDIR=$PWD
+SERVERDIR=$PWD/gitcvs.git
 git_config="$SERVERDIR/config"
 CVSROOT=":fork:$SERVERDIR"
-CVSWORK="$(pwd)/cvswork"
+CVSWORK="$PWD/cvswork"
 CVS_SERVER=git-cvsserver
 export CVSROOT CVS_SERVER
 
diff --git a/t/t9401-git-cvsserver-crlf.sh b/t/t9401-git-cvsserver-crlf.sh
index 5271432b8a..dd37069b9f 100755
--- a/t/t9401-git-cvsserver-crlf.sh
+++ b/t/t9401-git-cvsserver-crlf.sh
@@ -82,11 +82,11 @@ perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || {
 }
 
 unset GIT_DIR GIT_CONFIG
-WORKDIR=$(pwd)
-SERVERDIR=$(pwd)/gitcvs.git
+WORKDIR=$PWD
+SERVERDIR=$PWD/gitcvs.git
 git_config="$SERVERDIR/config"
 CVSROOT=":fork:$SERVERDIR"
-CVSWORK="$(pwd)/cvswork"
+CVSWORK="$PWD/cvswork"
 CVS_SERVER=git-cvsserver
 export CVSROOT CVS_SERVER
 
diff --git a/t/t9402-git-cvsserver-refs.sh b/t/t9402-git-cvsserver-refs.sh
index 936fd762e5..524a2d1ac0 100755
--- a/t/t9402-git-cvsserver-refs.sh
+++ b/t/t9402-git-cvsserver-refs.sh
@@ -90,11 +90,11 @@ perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || {
 }
 
 unset GIT_DIR GIT_CONFIG
-WORKDIR=$(pwd)
-SERVERDIR=$(pwd)/gitcvs.git
+WORKDIR=$PWD
+SERVERDIR=$PWD/gitcvs.git
 git_config="$SERVERDIR/config"
 CVSROOT=":fork:$SERVERDIR"
-CVSWORK="$(pwd)/cvswork"
+CVSWORK="$PWD/cvswork"
 CVS_SERVER=git-cvsserver
 export CVSROOT CVS_SERVER