diff --git a/t/t3419-rebase-patch-id.sh b/t/t3419-rebase-patch-id.sh
index d934583776..1f32faa4a4 100755
--- a/t/t3419-rebase-patch-id.sh
+++ b/t/t3419-rebase-patch-id.sh
@@ -4,15 +4,6 @@ test_description='git rebase - test patch id computation'
 
 . ./test-lib.sh
 
-count () {
-	i=0
-	while test $i -lt $1
-	do
-		echo "$i"
-		i=$(($i+1))
-	done
-}
-
 scramble () {
 	i=0
 	while read x
@@ -26,76 +17,55 @@ scramble () {
 	mv -f "$1.new" "$1"
 }
 
-run () {
-	echo \$ "$@"
-	/usr/bin/time "$@" >/dev/null
-}
-
 test_expect_success 'setup' '
 	git commit --allow-empty -m initial &&
 	git tag root
 '
 
-do_tests () {
-	nlines=$1 pr=${2-}
+test_expect_success 'setup: 500 lines' '
+	rm -f .gitattributes &&
+	git checkout -q -f master &&
+	git reset --hard root &&
+	test_seq 500 >file &&
+	git add file &&
+	git commit -q -m initial &&
+	git branch -f other &&
 
-	test_expect_success $pr "setup: $nlines lines" "
-		rm -f .gitattributes &&
-		git checkout -q -f master &&
-		git reset --hard root &&
-		count $nlines >file &&
-		git add file &&
-		git commit -q -m initial &&
-		git branch -f other &&
+	scramble file &&
+	git add file &&
+	git commit -q -m "change big file" &&
 
-		scramble file &&
-		git add file &&
-		git commit -q -m 'change big file' &&
+	git checkout -q other &&
+	: >newfile &&
+	git add newfile &&
+	git commit -q -m "add small file" &&
 
-		git checkout -q other &&
-		: >newfile &&
-		git add newfile &&
-		git commit -q -m 'add small file' &&
+	git cherry-pick master >/dev/null 2>&1
+'
 
-		git cherry-pick master >/dev/null 2>&1
-	"
+test_expect_success 'setup attributes' '
+	echo "file binary" >.gitattributes
+'
 
-	test_debug "
-		run git diff master^\!
-	"
+test_expect_success 'detect upstream patch' '
+	git checkout -q master &&
+	scramble file &&
+	git add file &&
+	git commit -q -m "change big file again" &&
+	git checkout -q other^{} &&
+	git rebase master &&
+	git rev-list master...HEAD~ >revs &&
+	test_must_be_empty revs
+'
 
-	test_expect_success $pr 'setup attributes' "
-		echo 'file binary' >.gitattributes
-	"
-
-	test_debug "
-		run git format-patch --stdout master &&
-		run git format-patch --stdout --ignore-if-in-upstream master
-	"
-
-	test_expect_success $pr 'detect upstream patch' '
-		git checkout -q master &&
-		scramble file &&
-		git add file &&
-		git commit -q -m "change big file again" &&
-		git checkout -q other^{} &&
-		git rebase master &&
-		git rev-list master...HEAD~ >revs &&
-		test_must_be_empty revs
-	'
-
-	test_expect_success $pr 'do not drop patch' '
-		git branch -f squashed master &&
-		git checkout -q -f squashed &&
-		git reset -q --soft HEAD~2 &&
-		git commit -q -m squashed &&
-		git checkout -q other^{} &&
-		test_must_fail git rebase squashed &&
-		git rebase --quit
-	'
-}
-
-do_tests 500
-do_tests 50000 EXPENSIVE
+test_expect_success 'do not drop patch' '
+	git branch -f squashed master &&
+	git checkout -q -f squashed &&
+	git reset -q --soft HEAD~2 &&
+	git commit -q -m squashed &&
+	git checkout -q other^{} &&
+	test_must_fail git rebase squashed &&
+	git rebase --quit
+'
 
 test_done