diff --git a/content/_index.md b/content/_index.md
index 7be3f10..710728b 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -13,7 +13,7 @@
 	</a>
 </p>
 
-<h2 style="text-align: center; margin: 0">🏆 Leaderboard</h2>
+<h2 style="text-align: center; margin: 0">:trophy: Leaderboard</h2>
 
 {{< leaderboard >}}
 
diff --git a/content/challenges/171.md b/content/challenges/171.md
deleted file mode 100644
index 60254e6..0000000
--- a/content/challenges/171.md
+++ /dev/null
@@ -1,95 +0,0 @@
----
-japanese:
-  - - - pos: noun
-        text:
-          - 果: は
-          - て
-      - pos: particle
-        text: の
-      - pos: adjective
-        text: ない
-        dictionary: 無い
-      - pos: noun
-        text:
-          - 世: せ
-          - 界: かい
-      - pos: particle
-        text: に
-      - dictionary: ~
-        text: "　"
-      - pos: adverb
-        text: ひとり
-        dictionary: 一人
-      - pos: verb
-        text:
-          - 取: と
-          - り
-          - 残: のこ
-          - された
-        dictionary: 取り残す
-  - - - pos: verb
-        text:
-          - 弾: はじ
-          - ける
-      - pos: noun
-        text:
-          - 流: りゅう
-          - 星: せい
-      - pos: particle
-        text: が
-      - dictionary: ~
-        text: "　"
-      - pos: adverb
-        text: ちょっと
-        dictionary: 一寸-1
-      - pos: adjective
-        text:
-          - 羨: うらや
-          - ましくて
-        dictionary: 羨ましい
-  - - - pos: adjective
-        text: どんな
-      - pos: noun
-        text:
-          - 終: しゅう
-          - 点: てん
-      - pos: particle
-        text: を
-      - dictionary: ~
-        text: "　"
-      - pos: verb
-        text:
-          - 指: ゆび
-          - さしていた
-        dictionary: 指差す
-      - pos: particle
-        text: っけ
-        dictionary: け
-  - - - pos: adverb
-        text: とめどなく
-        dictionary: 止めどなく
-      - pos: verb
-        text:
-          - 廻: まわ
-          - る
-        dictionary: 回る
-      - dictionary: ~
-        text: "　"
-      - pos: noun
-        text:
-          - 銀: ぎん
-          - 河: が
-      - pos: particle
-        text: の
-      - pos: noun
-        text:
-          - 端: はし
-          - くれ
-      - pos: particle
-        text: で
-song:
-  japanese: ディープスターフィリア
-youtube: JOE866w5_5U
-suggester: mochamoko
-date: 2024-08-27
----
\ No newline at end of file