diff --git a/elab_scope.cc b/elab_scope.cc
index aacedcc63..fe39506e9 100644
--- a/elab_scope.cc
+++ b/elab_scope.cc
@@ -186,8 +186,7 @@ static void elaborate_scope_enumeration(Design*des, NetScope*scope,
       netenum_t*use_enum = new netenum_t(enum_type->base_type,
 					 enum_type->signed_flag,
 					 enum_type->integer_flag, range,
-					 enum_type->names->size(),
-					 enum_type);
+					 enum_type->names->size());
 
       use_enum->set_line(*enum_type);
       scope->add_enumeration_set(enum_type, use_enum);
diff --git a/netenum.cc b/netenum.cc
index bb53088bc..7ff455926 100644
--- a/netenum.cc
+++ b/netenum.cc
@@ -24,11 +24,9 @@
 using namespace std;
 
 netenum_t::netenum_t(ivl_variable_type_t btype, bool signed_flag,
-		     bool integer_flag, const netrange_t &range, size_t name_count,
-		     enum_type_t*enum_type)
-: base_type_(btype), enum_type_(enum_type), signed_flag_(signed_flag),
-  integer_flag_(integer_flag), range_(range),
-  names_(name_count), bits_(name_count)
+		     bool integer_flag, const netrange_t &range, size_t name_count)
+: base_type_(btype), signed_flag_(signed_flag), integer_flag_(integer_flag),
+  range_(range), names_(name_count), bits_(name_count)
 {
 }
 
@@ -159,5 +157,5 @@ perm_string netenum_t::bits_at(size_t idx) const
 
 bool netenum_t::matches(const netenum_t*other) const
 {
-      return enum_type_ == other->enum_type_;
+      return this == other;
 }
diff --git a/netenum.h b/netenum.h
index b05675cfe..94f7cd8cd 100644
--- a/netenum.h
+++ b/netenum.h
@@ -29,14 +29,12 @@
 
 class NetScope;
 
-struct enum_type_t;
-
 class netenum_t : public LineInfo, public ivl_type_s {
 
     public:
       explicit netenum_t(ivl_variable_type_t base_type, bool signed_flag,
 			 bool isint_flag, const netrange_t &range,
-			 size_t name_count, enum_type_t*enum_type);
+			 size_t name_count);
       ~netenum_t();
 
       virtual ivl_variable_type_t base_type() const;
@@ -74,7 +72,6 @@ class netenum_t : public LineInfo, public ivl_type_s {
 
     private:
       ivl_variable_type_t base_type_;
-      enum_type_t*enum_type_;
       bool signed_flag_;
       bool integer_flag_;
       netrange_t range_;