diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7e43a159776..3484670a0a6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2006-02-28  Jeff Law  <law@redhat.com>
+
+	* tree.h (strct phi_arg_d): Remove unused NONZERO field.
+
 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
 
 	PR tree-optimization/26419
diff --git a/gcc/tree.h b/gcc/tree.h
index 4dc2f7908ec..2c88cc69a05 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1746,7 +1746,6 @@ struct phi_arg_d GTY(())
      pointer arithmetic with it.  See phi_arg_index_from_use.  */
   struct ssa_use_operand_d imm_use;
   tree def;
-  bool nonzero;
 };
 
 struct tree_phi_node GTY(())