diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e50a0476e339..2ace1f1a570e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,6 +4,8 @@
 	jump.c, mips-tfile.c, omp-low.c, sched-int.h,
 	tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
 
+	* tree-ssa-structalias.h (alias_info): Remove num_references.
+
 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* pa.md (output_bb patterns): Shorten long branch alternatives by 4.
diff --git a/gcc/tree-ssa-structalias.h b/gcc/tree-ssa-structalias.h
index 008c0156b870..46fe0c13ad03 100644
--- a/gcc/tree-ssa-structalias.h
+++ b/gcc/tree-ssa-structalias.h
@@ -52,11 +52,6 @@ struct alias_info
   /* Number of const/pure function calls found in the program.  */
   size_t num_pure_const_calls_found;
 
-  /* Array of counters to keep track of how many times each pointer has
-     been dereferenced in the program.  This is used by the alias grouping
-     heuristic in compute_flow_insensitive_aliasing.  */
-  varray_type num_references;
-
   /* Total number of virtual operands that will be needed to represent
      all the aliases of all the pointers found in the program.  */
   long total_alias_vops;