diff --git a/patches/delete-anilist-mappings/delete-custom-anime.go b/patches/delete-anilist-mappings/delete-custom-anime.go
new file mode 100644
index 00000000..1160d3f8
--- /dev/null
+++ b/patches/delete-anilist-mappings/delete-custom-anime.go
@@ -0,0 +1,15 @@
+package main
+
+import (
+	"github.com/animenotifier/arn"
+)
+
+func main() {
+	for anime := range arn.MustStreamAnime() {
+		providerID := anime.GetMapping("anilist/anime")
+		_, err := arn.DB.Delete("AniListToAnime", providerID)
+		arn.PanicOnError(err)
+		anime.RemoveMapping("anilist/anime", providerID)
+		arn.PanicOnError(anime.Save())
+	}
+}
diff --git a/patches/import-anilist/import-old/import-old-matches.go b/patches/import-anilist/import-old/import-old-matches.go
new file mode 100644
index 00000000..d10288a3
--- /dev/null
+++ b/patches/import-anilist/import-old/import-old-matches.go
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"strconv"
+
+	"github.com/animenotifier/arn"
+)
+
+// OldMatch ...
+type OldMatch struct {
+	ID            int     `json:"id"`
+	ProviderID    int     `json:"providerId"`
+	Title         string  `json:"title"`
+	ProviderTitle string  `json:"providerTitle"`
+	Similarity    float64 `json:"similarity"`
+	Edited        string  `json:"edited"`
+	EditedBy      string  `json:"editedBy"`
+}
+
+// ProviderMatch ...
+type ProviderMatch struct {
+	AnimeID    string `json:"animeId"`
+	ProviderID string `json:"providerId"`
+	Edited     string `json:"edited"`
+	EditedBy   string `json:"editedBy"`
+}
+
+// AniListToAnime ...
+type AniListToAnime ProviderMatch
+
+func main() {
+	matches := []OldMatch{}
+	data, _ := ioutil.ReadFile("MatchKitsu.json")
+	json.Unmarshal(data, &matches)
+
+	for _, match := range matches {
+		// Custom anime in 3.0
+		if match.ID >= 1000000 {
+			continue
+		}
+
+		// New match type
+		newMatch := &ProviderMatch{
+			AnimeID:    strconv.Itoa(match.ProviderID),
+			ProviderID: strconv.Itoa(match.ID),
+			Edited:     match.Edited,
+			EditedBy:   match.EditedBy,
+		}
+
+		// Get anime
+		anime, err := arn.GetAnime(newMatch.AnimeID)
+
+		if err != nil {
+			continue
+		}
+
+		anime.Mappings = append(anime.Mappings, &arn.Mapping{
+			Service:   "anilist/anime",
+			ServiceID: newMatch.ProviderID,
+			Created:   newMatch.Edited,
+			CreatedBy: newMatch.EditedBy,
+		})
+
+		// Save
+		fmt.Println(anime.Title.Canonical)
+		arn.PanicOnError(anime.Save())
+		arn.PanicOnError(arn.DB.Set("AniListToAnime", newMatch.ProviderID, newMatch))
+	}
+}
+
+// AnilistToAnime
+/*
+AnimeID
+ProviderID
+
+*/