diff --git a/cmd/pttodo-cli/cli.go b/cmd/pttodo-cli/cli.go
index 6771f94..e006685 100644
--- a/cmd/pttodo-cli/cli.go
+++ b/cmd/pttodo-cli/cli.go
@@ -167,7 +167,18 @@ func edit(dry bool, filepaths []string) error {
 			return err
 		}
 		original := originals[target]
+
+		newTodoIDs := map[string]struct{}{}
+		for i := range newTodos {
+			newTodoIDs[newTodos[i].ID()] = struct{}{}
+		}
+		for i := range original.Todo {
+			if _, ok := newTodoIDs[original.Todo[i].ID()]; !ok {
+				original.Done = append(original.Done, original.Todo[i])
+			}
+		}
 		original.Todo = newTodos
+
 		original.AutoMove()
 		c, err := yaml.Marshal(original)
 		if err != nil {
diff --git a/cmd/pttodo-cli/pttodo-cli b/cmd/pttodo-cli/pttodo-cli
deleted file mode 100755
index a02e6a8..0000000
Binary files a/cmd/pttodo-cli/pttodo-cli and /dev/null differ
diff --git a/cmd/pttodo-cli/testdata/test.yaml b/cmd/pttodo-cli/testdata/test.yaml
index f5aa0e0..9770954 100755
--- a/cmd/pttodo-cli/testdata/test.yaml
+++ b/cmd/pttodo-cli/testdata/test.yaml
@@ -1,7 +1,5 @@
 todo:
-- a
 - b
-- a
 scheduled:
 - todo: abc
   schedule: "2022-05-01"
@@ -9,4 +7,14 @@ scheduled:
 - todo: def
   schedule: "2022-05-01"
   ts: Wed Mar 23 08:04:05 MDT 2022
-done: []
+done:
+- todo: other
+  ts: Wed Mar 23 09:44:57 MDT 2022
+- todo: b
+  ts: Wed Mar 23 09:45:13 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:15 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:24 MDT 2022
+- todo: a
+  ts: Wed Mar 23 09:45:31 MDT 2022