diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
index 0860ba1fa..760a3ebad 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/GamesInProgress.java
@@ -102,8 +102,8 @@ public class GamesInProgress {
 				info.slot = slot;
 				Dungeon.preview(info, bundle);
 				
-				//saves from before v0.8.0b are not supported
-				if (info.version < ShatteredPixelDungeon.v0_8_0b) {
+				//saves from before v0.9.0b are not supported
+				if (info.version < ShatteredPixelDungeon.v0_9_0b) {
 					info = null;
 				}
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
index 545d5667f..a2b0446ba 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java
@@ -34,11 +34,7 @@ import com.watabou.utils.PlatformSupport;
 public class ShatteredPixelDungeon extends Game {
 
 	//variable constants for specific older versions of shattered, used for data conversion
-	//versions older than v0.8.0b are no longer supported, and data from them is ignored
-	public static final int v0_8_0b = 414;
-	public static final int v0_8_1a = 422;
-	public static final int v0_8_2d = 463;
-
+	//versions older than v0.9.0b are no longer supported, and data from them is ignored
 	public static final int v0_9_0b  = 489;
 	public static final int v0_9_1d  = 511;
 	public static final int v0_9_2b  = 531;
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Belongings.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Belongings.java
index 68b00e267..46c61b068 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Belongings.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Belongings.java
@@ -152,46 +152,19 @@ public class Belongings implements Iterable<Item> {
 		backpack.restoreFromBundle( bundle );
 		
 		weapon = (KindOfWeapon) bundle.get(WEAPON);
-		if (weapon() != null) {
-			weapon().activate(owner);
-		}
+		if (weapon() != null)       weapon().activate(owner);
 		
 		armor = (Armor)bundle.get( ARMOR );
-		if (armor() != null){
-			armor().activate( owner );
-		}
+		if (armor() != null)        armor().activate( owner );
 
-		//pre-0.8.2
-		if (bundle.contains("misc1") || bundle.contains("misc2")){
-			artifact = null;
-			misc = null;
-			ring = null;
+		artifact = (Artifact) bundle.get(ARTIFACT);
+		if (artifact() != null)     artifact().activate(owner);
 
-			KindofMisc m = (KindofMisc)bundle.get("misc1");
-			if (m instanceof Artifact){
-				artifact = (Artifact) m;
-			} else if (m instanceof Ring) {
-				ring = (Ring) m;
-			}
+		misc = (KindofMisc) bundle.get(MISC);
+		if (misc() != null)         misc().activate( owner );
 
-			m = (KindofMisc)bundle.get("misc2");
-			if (m instanceof Artifact){
-				if (artifact == null)   artifact = (Artifact) m;
-				else                    misc = (Artifact) m;
-			} else if (m instanceof Ring) {
-				if (ring == null)       ring = (Ring) m;
-				else                    misc = (Ring) m;
-			}
-
-		} else {
-			artifact = (Artifact) bundle.get(ARTIFACT);
-			misc = (KindofMisc) bundle.get(MISC);
-			ring = (Ring) bundle.get(RING);
-		}
-
-		if (artifact() != null)   artifact().activate(owner);
-		if (misc() != null)       misc().activate( owner );
-		if (ring() != null)       ring().activate( owner );
+		ring = (Ring) bundle.get(RING);
+		if (ring() != null)         ring().activate( owner );
 	}
 	
 	public static void preview( GamesInProgress.Info info, Bundle bundle ) {
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Generator.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Generator.java
index 95aa2f529..2096b99dc 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Generator.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Generator.java
@@ -674,18 +674,6 @@ public class Generator {
 				}
 			}
 		}
-
-		//pre-0.8.1
-		if (bundle.contains("spawned_artifacts")) {
-			for (Class<? extends Artifact> artifact : bundle.getClassArray("spawned_artifacts")) {
-				Category cat = Category.ARTIFACT;
-				for (int i = 0; i < cat.classes.length; i++) {
-					if (cat.classes[i].equals(artifact)) {
-						cat.probs[i] = 0;
-					}
-				}
-			}
-		}
 		
 	}
 }
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
index b40e4b036..c9aa5c4ae 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/journal/Catalog.java
@@ -334,21 +334,15 @@ public enum Catalog {
 		}
 		
 		//general save/load
-		//includes "catalogs" for pre-0.8.2 saves
-		if (bundle.contains("catalogs") || bundle.contains(CATALOG_ITEMS)) {
+		if (bundle.contains(CATALOG_ITEMS)) {
 			List<Class> seenClasses = new ArrayList<>();
 			if (bundle.contains(CATALOG_ITEMS)) {
 				seenClasses = Arrays.asList(bundle.getClassArray(CATALOG_ITEMS));
 			}
-			List<String> seenItems = new ArrayList<>();
-			if (bundle.contains("catalogs")) {
-				Journal.saveNeeded = true; //we want to overwrite with the newer storage format
-				seenItems = Arrays.asList(bundle.getStringArray("catalogs"));
-			}
 			
 			for (Catalog cat : values()) {
 				for (Class<? extends Item> item : cat.items()) {
-					if (seenClasses.contains(item) || seenItems.contains(item.getSimpleName())) {
+					if (seenClasses.contains(item)) {
 						cat.seen.put(item, true);
 					}
 				}
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/CavesBossLevel.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/CavesBossLevel.java
index 80593ed33..0d8039a89 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/CavesBossLevel.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/CavesBossLevel.java
@@ -157,20 +157,6 @@ public class CavesBossLevel extends Level {
 				customArenaVisuals = (ArenaVisuals) c;
 			}
 		}
-
-		//pre-0.8.1 saves that may not have had pylons added
-		int gatePos = pointToCell(new Point(gate.left, gate.top));
-		if (!locked && solid[gatePos]){
-
-			for (int i : pylonPositions) {
-				if (findMob(i) == null) {
-					Pylon pylon = new Pylon();
-					pylon.pos = i;
-					mobs.add(pylon);
-				}
-			}
-
-		}
 	}
 
 	@Override
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 c2cfd616c..21e170655 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
@@ -309,8 +309,8 @@ public abstract class Level implements Bundlable {
 
 		version = bundle.getInt( VERSION );
 		
-		//saves from before v0.8.0b are not supported
-		if (version < ShatteredPixelDungeon.v0_8_0b){
+		//saves from before v0.9.0b are not supported
+		if (version < ShatteredPixelDungeon.v0_9_0b){
 			throw new RuntimeException("old save");
 		}
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
index 94b1c8f1d..2fc65a93a 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
@@ -75,7 +75,6 @@ public class PrisonBossLevel extends Level {
 	public enum State {
 		START,
 		FIGHT_START,
-		TRAP_MAZES, //pre-0.8.1 saves
 		FIGHT_PAUSE,
 		FIGHT_ARENA,
 		WON
@@ -118,7 +117,7 @@ public class PrisonBossLevel extends Level {
 		state = bundle.getEnum( STATE, State.class );
 		
 		//in some states tengu won't be in the world, in others he will be.
-		if (state == State.START || state == State.TRAP_MAZES || state == State.FIGHT_PAUSE) {
+		if (state == State.START || state == State.FIGHT_PAUSE) {
 			tengu = (Tengu)bundle.get( TENGU );
 		} else {
 			for (Mob mob : mobs){
@@ -417,7 +416,6 @@ public class PrisonBossLevel extends Level {
 				state = State.FIGHT_PAUSE;
 				break;
 
-			case TRAP_MAZES: //for pre-0.8.1 saves
 			case FIGHT_PAUSE:
 				
 				Dungeon.hero.interrupt();
@@ -503,7 +501,6 @@ public class PrisonBossLevel extends Level {
 						progress();
 					}
 					break;
-				case TRAP_MAZES: //pre-0.8.1
 				case FIGHT_PAUSE:
 					
 					if (cellToPoint(ch.pos).y <= startHallway.top+1){