diff --git a/branch.c b/branch.c
index c0c865a4b1..d06aec4637 100644
--- a/branch.c
+++ b/branch.c
@@ -3,6 +3,7 @@
 #include "refs.h"
 #include "remote.h"
 #include "commit.h"
+#include "sequencer.h"
 
 struct tracking {
 	struct refspec spec;
@@ -228,4 +229,5 @@ void remove_branch_state(void)
 	unlink(git_path("MERGE_MSG"));
 	unlink(git_path("MERGE_MODE"));
 	unlink(git_path("SQUASH_MSG"));
+	remove_sequencer_state(0);
 }
diff --git a/t/t7106-reset-sequence.sh b/t/t7106-reset-sequence.sh
new file mode 100755
index 0000000000..4956caaf82
--- /dev/null
+++ b/t/t7106-reset-sequence.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+test_description='Test interaction of reset --hard with sequencer
+
+  + anotherpick: rewrites foo to d
+  + picked: rewrites foo to c
+  + unrelatedpick: rewrites unrelated to reallyunrelated
+  + base: rewrites foo to b
+  + initial: writes foo as a, unrelated as unrelated
+'
+
+. ./test-lib.sh
+
+pristine_detach () {
+	git cherry-pick --reset &&
+	git checkout -f "$1^0" &&
+	git read-tree -u --reset HEAD &&
+	git clean -d -f -f -q -x
+}
+
+test_expect_success setup '
+	echo unrelated >unrelated &&
+	git add unrelated &&
+	test_commit initial foo a &&
+	test_commit base foo b &&
+	test_commit unrelatedpick unrelated reallyunrelated &&
+	test_commit picked foo c &&
+	test_commit anotherpick foo d &&
+	git config advice.detachedhead false
+
+'
+
+test_expect_success 'reset --hard cleans up sequencer state, providing one-level undo' '
+	pristine_detach initial &&
+	test_must_fail git cherry-pick base..anotherpick &&
+	test_path_is_dir .git/sequencer &&
+	git reset --hard &&
+	test_path_is_missing .git/sequencer &&
+	test_path_is_dir .git/sequencer-old &&
+	git reset --hard &&
+	test_path_is_missing .git/sequencer-old
+'
+
+test_done