1 files changed, 2 insertions, 3 deletions
diff --git a/src/main/java/com/seaofnodes/simple/node/MachConcreteNode.java b/src/main/java/com/seaofnodes/simple/node/MachConcreteNode.java
index 9c0755b9..b25fcaaf 100644
--- a/src/main/java/com/seaofnodes/simple/node/MachConcreteNode.java
+++ b/src/main/java/com/seaofnodes/simple/node/MachConcreteNode.java
@@ -3,7 +3,6 @@ package com.seaofnodes.simple.node;
 import com.seaofnodes.print.ExprPrinter;
 
 import com.seaofnodes.simple.type.Type;
-import com.seaofnodes.simple.util.Utils;
 import java.io.ByteArrayOutputStream;
 
 // Generic machine-specific class, has a few Node implementations that have to
@@ -14,8 +13,8 @@ public abstract class MachConcreteNode extends Node implements MachNode {
     public MachConcreteNode(Node[]nodes) { super(nodes); }
 
     @Override public String label() { return op(); }
-    @Override public Type compute () { throw Utils.TODO(); }
-    @Override public Node idealize() { throw Utils.TODO(); }
+    @Override public Type compute () { throw new AssertionError("Do not call compute on "+getClass().getSimpleName()); }
+    @Override public Node idealize() { throw new AssertionError("Do not call idealize on "+getClass().getSimpleName()); }
 
     @Override protected ExprPrinter<Node> _print1(ExprPrinter<Node> p) {
         p.open().p(op()).p(",");