diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
index 678aac819..7cc3ccd09 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
@@ -112,7 +112,7 @@ public class GamesInProgress {
 				
 				Bundle bundle = FileUtils.bundleFromFile(gameFile(slot));
 
-				if (bundle.getInt( "version" ) < ShatteredPixelDungeon.v2_3_2) {
+				if (bundle.getInt( "version" ) < ShatteredPixelDungeon.v2_4_2) {
 					info = null;
 				} else {
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
index 33232a2ca..6bb204f87 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
@@ -36,8 +36,7 @@ public class ShatteredPixelDungeon extends Game {
 	//rankings from v1.2.3 and older use a different score formula, so this reference is kept
 	public static final int v1_2_3 = 628;
 
-	//savegames from versions older than v2.3.2 are no longer supported, and data from them is ignored
-	public static final int v2_3_2 = 768;
+	//savegames from versions older than v2.4.2 are no longer supported, and data from them is ignored
 	public static final int v2_4_2 = 782;
 	public static final int v2_5_4 = 802;
 
@@ -67,30 +66,6 @@ public class ShatteredPixelDungeon extends Game {
 		com.watabou.utils.Bundle.addAlias(
 				com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Invulnerability.class,
 				"com.shatteredpixel.shatteredpixeldungeon.actors.buffs.AnkhInvulnerability" );
-
-		//pre-v2.4.0
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.items.potions.brews.UnstableBrew.class,
-				"com.shatteredpixel.shatteredpixeldungeon.items.potions.AlchemicalCatalyst" );
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.items.spells.UnstableSpell.class,
-				"com.shatteredpixel.shatteredpixeldungeon.items.spells.ArcaneCatalyst" );
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.items.potions.elixirs.ElixirOfFeatherFall.class,
-				"com.shatteredpixel.shatteredpixeldungeon.items.spells.FeatherFall" );
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.items.potions.elixirs.ElixirOfFeatherFall.FeatherBuff.class,
-				"com.shatteredpixel.shatteredpixeldungeon.items.spells.FeatherFall$FeatherBuff" );
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.items.potions.brews.AquaBrew.class,
-				"com.shatteredpixel.shatteredpixeldungeon.items.spells.AquaBlast" );
-
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.levels.rooms.standard.entrance.EntranceRoom.class,
-				"com.shatteredpixel.shatteredpixeldungeon.levels.rooms.standard.EntranceRoom" );
-		com.watabou.utils.Bundle.addAlias(
-				com.shatteredpixel.shatteredpixeldungeon.levels.rooms.standard.exit.ExitRoom.class,
-				"com.shatteredpixel.shatteredpixeldungeon.levels.rooms.standard.ExitRoom" );
 	}
 	
 	@Override
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Talent.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Talent.java
index 85ce567d5..1b097fcfe 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Talent.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Talent.java
@@ -1149,15 +1149,12 @@ public enum Talent {
 
 	private static final HashSet<String> removedTalents = new HashSet<>();
 	static{
-		//v2.4.0
-		removedTalents.add("TEST_SUBJECT");
-		removedTalents.add("TESTED_HYPOTHESIS");
+		//nothing atm
 	}
 
 	private static final HashMap<String, String> renamedTalents = new HashMap<>();
 	static{
-		//v2.4.0
-		renamedTalents.put("SECONDARY_CHARGE",          "VARIED_CHARGE");
+		//nothing atm
 	}
 
 	public static void restoreTalentsFromBundle( Bundle bundle, Hero hero ){
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
index 6e35395e6..e250ac72e 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
@@ -364,7 +364,7 @@ public abstract class Level implements Bundlable {
 		version = bundle.getInt( VERSION );
 		
 		//saves from before v2.3.2 are not supported
-		if (version < ShatteredPixelDungeon.v2_3_2){
+		if (version < ShatteredPixelDungeon.v2_4_2){
 			throw new RuntimeException("old save");
 		}
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/RegularLevel.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/RegularLevel.java
index b5c56e871..da74f4feb 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/RegularLevel.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/RegularLevel.java
@@ -525,7 +525,7 @@ public abstract class RegularLevel extends Level {
 		Random.popGenerator();
 
 		//cached rations try to drop in a special room on floors 2/4/7, to a max of 2/3
-		//we incremented dropped by 2 for compatibility with pre-v2.4 saves (when the talent dropped 4/6 items)
+		//we increment dropped by 2 for compatibility with old saves, when the talent dropped 4/6 items
 		Random.pushGenerator( Random.Long() );
 			if (Dungeon.hero.hasTalent(Talent.CACHED_RATIONS)){
 				Talent.CachedRationsDropped dropped = Buff.affect(Dungeon.hero, Talent.CachedRationsDropped.class);
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/WelcomeScene.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/WelcomeScene.java
index 4d19f7110..a3a16b98c 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/WelcomeScene.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/WelcomeScene.java
@@ -301,7 +301,7 @@ public class WelcomeScene extends PixelScene {
 			}
 			Dungeon.daily = Dungeon.dailyReplay = false;
 
-			if (previousVersion <= ShatteredPixelDungeon.v2_3_2){
+			if (previousVersion <= ShatteredPixelDungeon.v2_4_2){
 				Document.ADVENTURERS_GUIDE.findPage(Document.GUIDE_ALCHEMY);
 			}
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndBlacksmith.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndBlacksmith.java
index fce0ed7dc..10cf24446 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndBlacksmith.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndBlacksmith.java
@@ -204,8 +204,7 @@ public class WndBlacksmith extends Window {
 
 	}
 
-	//public so that it can be directly called for pre-v2.2.0 quest completions
-	public static class WndReforge extends Window {
+	protected static class WndReforge extends Window {
 
 		private static final int WIDTH		= 120;