diff --git a/src/main/java/info/sigterm/deob/Deob.java b/src/main/java/info/sigterm/deob/Deob.java
index 8380a9bb85..53df162e1d 100644
--- a/src/main/java/info/sigterm/deob/Deob.java
+++ b/src/main/java/info/sigterm/deob/Deob.java
@@ -63,10 +63,10 @@ public class Deob
 		System.out.println("constant param took " + bdur/1000L + " seconds");
 		
 		// remove unhit blocks
-//		bstart = System.currentTimeMillis();
-//		new UnusedBlocks().run(group);
-//		bdur = System.currentTimeMillis() - bstart;
-//		System.out.println("unused blocks took " + bdur/1000L + " seconds");
+		bstart = System.currentTimeMillis();
+		new UnusedBlocks().run(group);
+		bdur = System.currentTimeMillis() - bstart;
+		System.out.println("unused blocks took " + bdur/1000L + " seconds");
 
 		// remove unused parameters
 		bstart = System.currentTimeMillis();
@@ -78,10 +78,10 @@ public class Deob
 		//new Jumps().run(group);
 		
 		// remove unused fields
-//		bstart = System.currentTimeMillis();
-//		new UnusedFields().run(group);
-//		bdur = System.currentTimeMillis() - bstart;
-//		System.out.println("unused fields took " + bdur/1000L + " seconds");
+		bstart = System.currentTimeMillis();
+		new UnusedFields().run(group);
+		bdur = System.currentTimeMillis() - bstart;
+		System.out.println("unused fields took " + bdur/1000L + " seconds");
 		
 		//new ModularArithmeticDeobfuscation().run(group);
 
diff --git a/src/main/java/info/sigterm/deob/deobfuscators/IllegalStateExceptions.java b/src/main/java/info/sigterm/deob/deobfuscators/IllegalStateExceptions.java
index 79b6ac8b71..ac03c094fb 100644
--- a/src/main/java/info/sigterm/deob/deobfuscators/IllegalStateExceptions.java
+++ b/src/main/java/info/sigterm/deob/deobfuscators/IllegalStateExceptions.java
@@ -63,11 +63,9 @@ public class IllegalStateExceptions implements Deobfuscator
 					
 					// remove stack of if.
 					boolean found = false;
-					boolean foundMethod = false;
 					for (Frame f : execution.processedFrames)
 						if (f.getMethod() == m)
 						{
-							foundMethod = true;
 							for (InstructionContext ic : f.getInstructions())
 								if (ic.getInstruction() == ins) // this is the if
 								{
@@ -78,8 +76,11 @@ public class IllegalStateExceptions implements Deobfuscator
 									ic.removeStack(0);
 								}
 						}
-					assert foundMethod;
-					assert found;
+					if (!found)
+					{
+						System.out.println("Unable to locate instruction ctx to remove stack for illegalstateexception " + ins + " in " + m);
+						continue;
+					}
 					
 					// instruction is no longer at 'i' because we've just removed stuff...
 					i = ilist.indexOf(ins);