diff --git a/src/main/java/info/sigterm/deob/Deob.java b/src/main/java/info/sigterm/deob/Deob.java
index 9b3678032a..7b4774e6d7 100644
--- a/src/main/java/info/sigterm/deob/Deob.java
+++ b/src/main/java/info/sigterm/deob/Deob.java
@@ -59,7 +59,7 @@ public class Deob
 		new UnusedBlocks().run(group);
 		
 		// remove unused parameters
-		//new UnusedParameters().run(group);
+		new UnusedParameters().run(group);
 		
 		// remove jump obfuscation
 		//new Jumps().run(group);
diff --git a/src/main/java/info/sigterm/deob/deobfuscators/UnusedParameters.java b/src/main/java/info/sigterm/deob/deobfuscators/UnusedParameters.java
index 546eb98a31..26a16924d4 100644
--- a/src/main/java/info/sigterm/deob/deobfuscators/UnusedParameters.java
+++ b/src/main/java/info/sigterm/deob/deobfuscators/UnusedParameters.java
@@ -209,7 +209,7 @@ public class UnusedParameters implements Deobfuscator
 		{
 			for (Method m : cf.getMethods().getMethods())
 			{
-				if (done.contains(m))
+				if (done.contains(m) || m.getName().length() > 2) // ctors not uniquely renamed. overriding jre methods can't just remove a parameter
 					continue;
 
 				int offset = m.isStatic() ? 0 : 1;