diff --git a/gtsam_unstable/base/tests/testBAD.cpp b/gtsam_unstable/base/tests/testBAD.cpp
index b736148ea..9e3bd80fb 100644
--- a/gtsam_unstable/base/tests/testBAD.cpp
+++ b/gtsam_unstable/base/tests/testBAD.cpp
@@ -59,8 +59,6 @@ class ConstantExpression: public ExpressionNode<T> {
 
 public:
 
-  typedef T type;
-
   /// Constructor with a value, yielding a constant
   ConstantExpression(const T& value) :
       value_(value) {
@@ -85,8 +83,6 @@ class LeafExpression: public ExpressionNode<T> {
 
 public:
 
-  typedef T type;
-
   /// Constructor with a single key
   LeafExpression(Key key) :
       key_(key) {
@@ -130,8 +126,6 @@ private:
 
 public:
 
-  typedef T type;
-
   /// Constructor with a single key
   UnaryExpression(function f, const Expression<E>& expression) :
       expression_(expression.root()), f_(f) {
@@ -180,8 +174,6 @@ private:
 
 public:
 
-  typedef T type;
-
   /// Constructor with a single key
   BinaryExpression(function f, const Expression<E1>& expression1,
       const Expression<E2>& expression2) :