diff --git a/wiki/Contests/id.md b/wiki/Contests/id.md
index 57c0b9b62ebb..15d20ce6aa7d 100644
--- a/wiki/Contests/id.md
+++ b/wiki/Contests/id.md
@@ -1,6 +1,5 @@
 ---
 outdated_translation: true
-outdated_since: a42201322492187cb7c0a98979ec774abefb0826
 ---
 
 # Kontes
diff --git a/wiki/Contests/pl.md b/wiki/Contests/pl.md
index f36713351ce3..a77c0f27e032 100644
--- a/wiki/Contests/pl.md
+++ b/wiki/Contests/pl.md
@@ -1,6 +1,5 @@
 ---
 outdated_translation: true
-outdated_since: a42201322492187cb7c0a98979ec774abefb0826
 ---
 
 # Konkursy
diff --git a/wiki/Contests/zh.md b/wiki/Contests/zh.md
index e4b382826364..16ae720101df 100644
--- a/wiki/Contests/zh.md
+++ b/wiki/Contests/zh.md
@@ -1,6 +1,5 @@
 ---
 outdated_translation: true
-outdated_since: a42201322492187cb7c0a98979ec774abefb0826
 ---
 
 # 竞赛