diff --git a/html/changelog.html b/html/changelog.html
index d5641d75c2..4dc7678f3f 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -50,6 +50,15 @@
 		-->
 		<div class="commit sansserif">
 
+			<h2 class="date">02 December 2021</h2>
+			<h3 class="author">DeltaFire15 updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="balance">Synthetics gained quasi-immunity to most chemicals, excluding some core medical chems and a few specific disruptive ones.</li>
+				<li class="rscadd">Health analyzer, ChemMaster and chemical analyzer interactions with the chemical processing flag system.</li>
+				<li class="bugfix">System Cleaner should now always update health as opposed to before.</li>
+				<li class="balance">system cleaner is now twice as effective.</li>
+			</ul>
+
 			<h2 class="date">01 December 2021</h2>
 			<h3 class="author">DeltaFire15 updated:</h3>
 			<ul class="changes bgimages16">
@@ -377,16 +386,6 @@
 				<li class="rscadd">Adds more fire-saftey closets and trashpiles to boxstation</li>
 				<li class="rscadd">Adds trashpiles to delta.</li>
 			</ul>
-
-			<h2 class="date">30 September 2021</h2>
-			<h3 class="author">Hatterhat updated:</h3>
-			<ul class="changes bgimages16">
-				<li class="rscdel">The xenomorph infestation on Moon Outpost 19 is significantly less prone to outbreaks, theoretically.</li>
-			</ul>
-			<h3 class="author">Putnam3145 updated:</h3>
-			<ul class="changes bgimages16">
-				<li class="rscdel">Minesweeper's "play on same board"</li>
-			</ul>
 		</div>
 
 <b>GoonStation 13 Development Team</b>
diff --git a/html/changelogs/.all_changelog.yml b/html/changelogs/.all_changelog.yml
index b6dc712c5b..6d10d955ec 100644
--- a/html/changelogs/.all_changelog.yml
+++ b/html/changelogs/.all_changelog.yml
@@ -30354,3 +30354,11 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
   - balance: Pellet wound-bonus no longer stacks for the final calculation
   - balance: Embeds no longer bypass full blocking.
   - bugfix: Shields now work properly against unarmed / mob attacks.
+2021-12-02:
+  DeltaFire15:
+  - balance: Synthetics gained quasi-immunity to most chemicals, excluding some core
+      medical chems and a few specific disruptive ones.
+  - rscadd: Health analyzer, ChemMaster and chemical analyzer interactions with the
+      chemical processing flag system.
+  - bugfix: System Cleaner should now always update health as opposed to before.
+  - balance: system cleaner is now twice as effective.
diff --git a/html/changelogs/AutoChangeLog-pr-15335.yml b/html/changelogs/AutoChangeLog-pr-15335.yml
deleted file mode 100644
index 23441e2061..0000000000
--- a/html/changelogs/AutoChangeLog-pr-15335.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-author: "DeltaFire15"
-delete-after: True
-changes: 
-  - balance: "Synthetics gained quasi-immunity to most chemicals, excluding some core medical chems and a few specific disruptive ones."
-  - rscadd: "Health analyzer, ChemMaster and chemical analyzer interactions with the chemical processing flag system."
-  - bugfix: "System Cleaner should now always update health as opposed to before."
-  - balance: "system cleaner is now twice as effective."